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Tsavorite Fashion Ring 18 Karat
Located in Great Neck, NY
Extremely rare Tsavorite Ring with White Diamonds (19 Carat), Beautiful modernist style, and
Category

Early 20th Century American Modernist Cocktail Rings

Materials

White Diamond, Tsavorite, 18k Gold

Art Nouveau Enamel Bird Brooch
Located in Carmel, CA
total carats of accent diamonds. The brooch measure 2 inches wide by .7 inches tall.
Category

Early 20th Century Art Nouveau Brooches

Materials

Diamond, Garnet, Ruby, Rose Gold

Mia Medium Chrysoprase 18 Karat Gold Earrings
By Nina Wynn
Located in Denver, CO
used as a charm on our wrap gemstone bracelets. Metal: 18K Yellow Gold Stone carat: 19 Diamond carat
Category

21st Century and Contemporary Vietnamese Contemporary Drop Earrings

Materials

Chrysophrase, Diamond, 18k Gold

Mia Medium Chrysoprase 18k Gold Earrings
By Nina Wynn
Located in Denver, CO
. Stone carat: 19 Diamond carat: 0.45 Stone size: 20x13mm Hoop size: 18mm About the stones: Chrysoprase A
Category

21st Century and Contemporary Vietnamese Contemporary Drop Earrings

Materials

18k Gold

Midcentury 19 Carat VVS Aquamarine Diamond Baguette Ballerina Cocktail Ring
Located in Shaker Heights, OH
This impressive statement ring features a large emerald cut aquamarine (estimated 16.65 carats set
Category

Vintage 1950s American Retro Cocktail Rings

Materials

Aquamarine, White Diamond, 14k Gold

Art Deco 19 Carats Diamonds Platinum Necklace
Located in Miami, FL
Platinum Art Deco necklace featuring 156 European cut and single cut diamonds weighing
Category

20th Century American Art Deco Pendant Necklaces

Materials

Diamond, White Diamond, Platinum

North Star Charm, .19 Carat Diamond Pendant, Diamond North Star Medallion
By Five Star Jewelry
Located in Austin, TX
) Diamond Total Weight: .19 Carats Chain Sold Separately
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

Van Cleef Arpels Natural Yellow White Diamond Flower Brooch
By Van Cleef Arpels
Located in New York, NY
baguette shape diamonds, Estimated total weight of natural fancy yellow & white diamonds is 19 carats
Category

20th Century American Brooches

Materials

Diamond, Platinum, 18k Gold

Morganite Diamond Halo Necklace, Rose Gold, Drop Pendant
By Five Star Jewelry
Located in Austin, TX
Number: 66 Diamond Shape: Round Brilliant Diamond Total Weight: .19 carat Diamond Clarity: VS2 (Excellent
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Diamond, Morganite, 14k Gold, Rose Gold

19 Carat Aquamarine Diamond Platinum Ring
Located in Carmel-by-the-Sea, CA
and very impressive! Approximately 2.20 carats of diamonds. Size 7.75 can be resized on request.
Category

Vintage 1950s Fashion Rings

Materials

Aquamarine, Diamond, Platinum

Vivid Diamonds 3.7 Carat Diamond Dangle Earrings
By Vivid Diamonds
Located in Miami, FL
.77 carats total, H-I color, SI2 - I1 clarity and 2 round brilliant cut diamonds weighing .19 carats
Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Diamond, 18k Gold, White Gold

Draping Diamond Necklace 2.31 Carat with 19 Diamonds
Located in Mayfair, London, London
An 18k white gold diamond necklace. The necklace features 19 round brilliant cut diamonds in a rub
Category

21st Century and Contemporary Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

4.68 Carat Oval Diamond Eternity Ring, 19 Ovals, Platinum
By Hakimi s Gem
Located in Chicago, IL
This exquisite eternity ring showcases 19 oval-cut diamonds encircling a polished platinum band
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

Round Diamond Disk Charm w 19 Diamonds .11 Carats, 15 mm Diameter Pendant
By Five Star Jewelry
Located in Austin, TX
: Diamond Disc Charm Measurements: 15 millimeters Diamond Number: 19 Diamond Shape: Round Brilliant Diamond
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, Yellow Gold

19 Carat Oval Natural Pink Morganite and .25 Carat Diamond Ring in White Gold
By Five Star Jewelry
Located in Austin, TX
19 carats) 12 round brilliant diamonds that weigh .29 carats total weight Filigree band that tapers
Category

21st Century and Contemporary American Artisan Cocktail Rings

Materials

Morganite, Diamond, 14k Gold, White Gold

19 Carat Platinum Floral Motif Link Diamond 1930s Bracelet
Located in New York, NY
and sparkles with about 19 carats of diamonds that are graded G-H color and all are VS1 clarity. Just
Category

Early 20th Century American Art Deco Link Bracelets

Materials

Diamond, Platinum

16 Carats Diamond and 19 Carats Ruby 18 Karat White Gold Bracelet
Located in Bay Harbor Islands, FL
approximately 16 carats and 180 round rubies weighing approximately 19 carats. Circa 1955 7 inches in length
Category

Vintage 1950s American More Bracelets

Materials

Diamond, Ruby, 18k Gold, White Gold

19 Carat Amethyst Cocktail Ring
By Mehnaz Durrani
Located in Richmond, BC
: 19 carats, high brilliance, purple tone, transparent, emerald cut Diamond 0.36 carat round brilliant
Category

21st Century and Contemporary Canadian Contemporary Cocktail Rings

Materials

Amethyst, Diamond, 14k Gold

16 Carat Oval Ruby Diamonds 18 Karat White Gold 19 Grams Bangle
Located in New York, NY
16 Carat Oval Treated Ruby & Diamonds 18 Karat White Gold 19 Grams Bangle It features a bangle
Category

Early 2000s Bangles

Materials

Diamond, Ruby, 18k Gold, White Gold

19 Carat Natural Aquamarine and Diamond Cocktail Ring, 14 Karat Yellow Gold
Located in New York, NY
19 Carat Natural Aquamarine and Diamond Cocktail Earring, 14 Karat Yellow Gold Estate , Size 6
Category

1990s Cocktail Rings

Materials

Aquamarine, Diamond, 14k Gold, Yellow Gold

19 Carat South Sea Pearl Diamond White Gold Dangle Earrings
Located in Napoli, NA
19 carats of round brilliant Cut diamonds grade G/H/I color with a clarity Vs. The bottom of the
Category

Late 20th Century Dangle Earrings

Materials

Diamond, South Sea Pearl, 18k Gold

19-Carat Aquamarine Diamond 18 Karat Two Tone Gold Ring
Located in Boca Raton, FL
This fabulous vintage ring features a 19-carat Emerald Cut Aquamarine surrounded by 24 single cut
Category

Late 20th Century Retro Fashion Rings

Materials

Aquamarine, White Diamond, 18k Gold

5.76 Carat Round Brilliant Cut Diamond Tennis Necklace 14 Karat White Gold 19
Located in Great Neck Plaza, NY
diamond can change your life. Average Color H-I , VS Clarity. 2.2 mm. 19 inch length. All natural
Category

2010s American Chain Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

19 Carat Natural Zambian Emerald and Diamond Tennis Bracelet 14 Karat Yello Gold
Located in New York, NY
spaced by two diamonds . Total weight of the Emeralds is approximately 19 carat. Total number of
Category

2010s Tennis Bracelets

Materials

Diamond, Emerald, Gold, 18k Gold, Yellow Gold

Estate 19 Carat Purple Star Sapphire Diamond Ballerina Cocktail Ring
Located in Santa Barbara, CA
Carat Weight: 19.65 Cut: Cabochon Color: Medium Purple Clarity: Opaque Diamonds: 28 Tapered Baguettes
Category

Vintage 1970s Modern Cocktail Rings

Materials

Diamond, Star Sapphire, Purple Sapphire, Platinum

Art Deco 0.33 Carat Diamond 19 Karat White Gold Engagement Ring
Located in Philadelphia, PA
Centering an old European cut diamond weighing approximately 0.33 carat; J color with VS clarity
Category

Vintage 1930s Art Deco Engagement Rings

Materials

Diamond, White Diamond, White Gold

Diamond Brooch and a Diamond Bracelet 17 to 19 carats total , Set on Platinum
Located in Paris, FR
estimated to weight a total of 17-19 carats, on average G-H colour, VS Clarity. Brooch and bracelet stamped
Category

Vintage 1950s French Modern Tennis Bracelets

Materials

Diamond, Platinum

Art Deco 0.73 Carat Diamond Sapphire 19 Karat White Gold Band Ring
Located in Philadelphia, PA
-matched, weighing in total approximately 0.50 carat Stamped 19K for 19 karat gold Maker's mark for
Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, White Gold

Art Deco 0.45 Carat Diamond and 19 Karat White Gold Filigree Ring
Located in Philadelphia, PA
Centering three transitional cut diamonds, and accented with full cut diamonds, 0.45 carat total
Category

Early 20th Century Unknown Art Deco Three-Stone Rings

Materials

Diamond

GRS Certified 19 Carats Star Sapphire Diamond Ring by Tasaki, Strong Star
By TASAKI
Located in Hong Kong, HK
Please check out the HD Video. Here is a superb oversized natural star Sapphire and diamond ring
Category

2010s Hong Kong Cocktail Rings

Materials

Diamond, White Diamond, Star Sapphire, Gold, 18k Gold, White Gold

Semi-Mount Engagement Ring 14 Karat Gold Center Diamond Accents .19 Carat
Located in Greensboro, NC
Information: Natural Diamond Accents Clarity: SI1 Color: G Cut: Round Brilliant Total Carats: 0.19ctw
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, 14k Gold, White Gold

W.W. Fulmer Co. 0.48 Carats Diamond 19 Karat White Gold Engagement Ring
Located in Philadelphia, PA
Featuring an old European cut diamond weighing approximately 0.48 carat - I color with SI1 clarity
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, White Diamond, Gold, White Gold

CHANEL Chocolat Diamond and 18 Carat White Gold Digital Watch Nº 14/19
By Chanel
Located in London, GB
round brilliant cut diamonds, totalling to an impressive approximate weight of 5.16 carats, this
Category

21st Century and Contemporary Swiss Contemporary Wrist Watches

Materials

Diamond, White Diamond, Gold, 18k Gold, White Gold

19 Carat Oval Natural Pink Morganite and .25 Carat Diamond Ring in White Gold
By Five Star Jewelry
Located in Austin, TX
. This hand picked Morganite and Diamond ring is a very special piece. With a 19 carat genuine pink
Category

21st Century and Contemporary American Artisan Cocktail Rings

Materials

Morganite, 14k Gold

Fulmer Co. 0.50 Carat Diamond 19 Karat White Gold Palm Leaf Bombe Band Ring
Located in Philadelphia, PA
Bombè band ring centers three transitional cut diamonds weighing approximately 0.35 carat With
Category

Vintage 1920s Retro Band Rings

Materials

Diamond, White Diamond, White Gold

Diamond Tennis Bracelet with 19 Diamonds, Yellow Gold with Safety Latch
Located in Austin, TX
The diamond tennis bracelet is a really nice weight and construction! It has 19 diamonds that are
Category

2010s American Contemporary Modern Bracelets

Materials

Diamond, Gold, 10k Gold, Yellow Gold

19 Carat Colombian Emerald Rough Pendent/Necklace 18 Karat Gold with Chain
Located in New York, NY
-catching pendant necklace . It features a large extremely fine 19 ct total weight all set in 18 karat
Category

20th Century Pendant Necklaces

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Art Deco Diamond 19 Karat White Gold Orange Blossom Vintage Engagement Ring
Located in Philadelphia, PA
Centering an old European cut diamond weighing approximately 0.37 carat - H color with VS2 clarity
Category

Vintage 1930s Art Deco Engagement Rings

Materials

White Diamond, Gold, White Gold

19 CTW Round Brilliant Cut Diamond 14 Karat White Gold Modern Riviera Necklace
Located in Boca Raton, FL
brilliant cut diamonds weighing 19.04 carat total weight. The diamonds are graduated with the largest
Category

21st Century and Contemporary North American Modern Link Necklaces

Materials

Diamond, White Gold

Bvlgari Roma Pendant in 18kt Yellow Gold with 19 Vvs Diamonds Pave with Box
By Bulgari
Located in Miami, FL
, with xx round brilliant cut diamonds, 0.21 carats, white colorless E/F color, VS-1 clarity. Weight
Category

1990s Italian Modern Pendant Necklaces

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold

Graff Certified 100.13 Carat Diamond Necklace
By Graff
Located in New York, NY
round diamonds all over the necklace weighing 100.13 carats total. 19 diamonds are certified by GIA and
Category

Late 20th Century More Necklaces

Materials

Diamond, Platinum

Ladies 43.48 Carat Heart Brilliant All Solitaires Yellow Diamond Lariat Necklace
Located in Tustin, CA
: Measures 5.35 x 6.32 x 3.77 mm and has a clarity grade of VS2 and weighs 1.00 carat. Diamond number 19
Category

21st Century and Contemporary American Artisan Drop Necklaces

Materials

Diamond, Yellow Diamond, 18k Gold, White Gold, Yellow Gold

Roman Malakov 0.74 Carats Total Baguette and Round Diamond Wedding Band
By Roman Malakov
Located in New York, NY
A classic and fashionable wide wedding band ring features 19 baguette diamonds weighing 0.34 carats
Category

21st Century and Contemporary American Modern Wedding Rings

Materials

Diamond, 18k Gold, White Gold

Opal Diamond Earring Charms 14KTY with .1.3 Carat Gemstones, for Huggie Ear
By Five Star Jewelry
Located in Austin, TX
.Diamonds-19 carat total diamond weight Opals-1.1 carat total opal weight Earring Charms
Category

2010s American Contemporary Dangle Earrings

Materials

Diamond, Opal, Gold, 14k Gold, Yellow Gold

Oval Cut Diamond Eternity Ring with 3.70 Carat Total Weight in Platinum
By Gregory Mikaelian Sons, Inc.
Located in Los Angeles, CA
. Specifications: main stone: OVAL CUT DIAMOND diamonds: 19 PIECES carat total weight: 3.70 color
Category

2010s American Contemporary Bridal Rings

Materials

Diamond, Platinum

1.78 Carat Moonstone and Diamond Halo Necklace in Yellow and Rose Gold
By Sarosi By Timeless Gems
Located in Los Angeles, CA
18 inches in length Round brilliant cut diamonds weigh .19 carats total
Category

21st Century and Contemporary Artisan Pendant Necklaces

Materials

Diamond, Moonstone, Gold, 14k Gold, Rose Gold, Yellow Gold

Classic 14 Karat Gold Oval Cut Diamond Channel Set Eternity Ring 4.35 Carat
By Gregory Mikaelian Sons, Inc.
Located in Los Angeles, CA
diamonds: 19 PCS carat total weight: 4.35 color: G clarity: VS1-2 brand: custom metal
Category

2010s American Contemporary Bridal Rings

Materials

Diamond, 14k Gold, White Gold

Classic Heart-shaped Necklace with Diamonds
Located in רמת גן, IL
. Product details: Metal: 20k white gold Diamonds: 19 stones Carat weight: 0.20ct Cut grade: brilliant
Category

2010s Israeli Pendant Necklaces

Materials

Diamond, White Gold

Alexander Beverly Hills 9.26ct Diamond and Yellow Diamond Eternity Band 18k
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
carats total diamond weight. 19 radiant yellow diamonds, 7.95 carats total (apx .41ct each
Category

21st Century and Contemporary American Contemporary Wedding Rings

Materials

Diamond, Yellow Diamond, Gold, 18k Gold, White Gold, Yellow Gold

Vintage Tiffany Co. Platinum Sapphire and Diamond Dome Cocktail Ring
By Tiffany Co.
Located in New York, NY
platinum, adorned with a mesmerizing display of diamonds and sapphires. The 19 round brilliant cut diamonds
Category

20th Century American Contemporary Cocktail Rings

Materials

White Diamond, Blue Sapphire, Diamond, Sapphire, Platinum

Art Deco Diamond and Sapphire White Gold Pendant Necklace
Located in Chevy Chase, MD
suspended from a chain, featuring open filigree metal work, and 19 diamonds weighing 1.00 carat total
Category

Vintage 1920s American Art Deco Pendant Necklaces

Materials

Diamond, Sapphire, 18k Gold

Alexander Beverly Hills 5.88ct Asscher Cut Diamond D/E VVS Eternity Platinum 675
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Stunning asscher cut diamond eternity band, By Alexander Beverly Hills. 19 asscher cut diamonds
Category

2010s American Modern Band Rings

Materials

Diamond, White Diamond, Platinum

Contemporary Era 4.90 ct Emeralds 3.80 ct Diamonds Gold Necklace
Located in MADRID, ES
gold Gemstones: 14 pear-cut emeralds – Total Carat Weight: 4.90 ct 19 trapeze-cut diamonds – Total
Category

21st Century and Contemporary European Contemporary Choker Necklaces

Materials

Diamond, Emerald, Gold, 18k Gold

Cartier Sapphire and Diamond Band-Ring
By Cartier
Located in Bethesda, MD
blue round sapphires weighing approximately 2 carats and 19 brilliant cut diamonds weighing
Category

21st Century and Contemporary French Band Rings

Materials

Diamond, Blue Sapphire, 18k Gold

Cartier Trinity De Cartier Diamond Gold Pendant
Located in Chicago, IL
inter connected and free moving Circles, one set with 44 Round Brilliant cut Diamonds totaling .19 Carat
Category

2010s French Drop Necklaces

Materials

Diamond, 18k Gold

Edwardian Five-Stone Diamond Ring, circa 1900s
Located in London, GB
band. The carved shank leads elegantly into the 19 carat yellow gold band. The diamonds are claw set
Category

Antique Early 1900s Unknown Engagement Rings

Materials

Diamond, 18k Gold

Edwardian Five-Stone Diamond Ring, circa 1900s
Located in London, GB
band. The carved shank leads elegantly into the 19 carat yellow gold band. The diamonds are claw set
Category

Antique Early 1900s Unknown Engagement Rings

Materials

Diamond, 18k Gold

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19 Carat Diamond For Sale on 1stDibs

You are likely to find exactly the 19 carat diamond you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and 14k Gold. In our selection of items, you can find a vintage example as well as a contemporary version. Finding the perfect 19 carat diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. There have been many well-made iterations of the classic 19 carat diamond over the years, but those made by Collective Brilliant, LB Exclusive and Meghna Jewels are often thought to be among the most beautiful. See these pages for a round cut iteration of this accessory, while there are also old european cut cut and oval cut cut versions available here, too. There aren’t many items for men if you’re seeking a 19 carat diamond, as most of the options available are for women and unisex.

How Much is a 19 Carat Diamond?

On average, a 19 carat diamond at 1stDibs sells for $5,987, while they’re typically $248 on the low end and $1,550,000 for the highest priced versions of this item.

Why Gold Shines in Jewelry Craftsmanship

Gold is the feel-good metal, the serotonin of jewelry. Wear vintage and antique gold necklaces, watches, gold bracelets or gold rings and you feel happy, you feel dressed, you feel, well, yourself. 

Gold, especially yellow gold, with its rich patina and ancient pedigree going back thousands of years, is the steady standby, the well-mannered metal of choice. Any discussion of this lustrous metal comes down to a basic truth: Gold is elementary, my dear. Gold jewelry that couples the mystique of the metal with superb design and craftsmanship achieves the status of an enduring classic. Many luxury houses have given us some of our most treasured and lasting examples of gold jewelry over the years.

Since its founding, in 1837, Tiffany Co. has built its reputation on its company jewelry as well as its coterie of boutique designers, which has included Jean Schlumberger, Donald Claflin, Angela Cummings and Elsa Peretti. There are numerous gold Tiffany classics worth citing. Some are accented with gemstones, but all stand out for their design and the workmanship displayed.

For the woman who prefers a minimalist look, the Tiffany Co. twist bangle (thin, slightly ovoid) is stylishly simple. For Cummings devotees, signature pieces feature hard stone inlay, such as her pairs of gold ear clips inlaid with black jade (a play on the classic Chanel black and tan), or bangles whose design recalls ocean waves, with undulating lines of lapis lazuli and mother-of-pearl. And just about any design by the great Jean Schlumberger is by definition a classic.

Even had he eschewed stones and diamonds, Southern-born David Webb would be hailed for the vast arsenal of heavy gold jewelry he designed. Gold, usually hammered or textured in some manner, defines great David Webb jewelry. The self-taught jeweler made very au courant pieces while drawing inspiration from ancient and out-of-the-way sources — East meets West in the commanding gold necklaces made by Webb in the early 1970s. The same could be said for his endlessly varied gold cuffs.

In Europe, many houses have given us gold jewelry that sets the highest standard for excellence, pieces that were highly sought after when they were made and continue to be so. 

Numerous designs from Cartier are homages to gold. There are the classic Trinity rings, necklaces and bracelets — trifectas of yellow, white and rose gold. As a testament to the power of love, consider the endurance of the Cartier Love bracelet.

Aldo Cipullo, Cartier’s top in-house designer from the late 1960s into the early ’70s, made history in 1969 with the Love bracelet. Cipullo frequently said that the Love bracelet was born of a sleepless night contemplating a love affair gone wrong and his realization that “the only remnants he possessed of the romance were memories.” He distilled the urge to keep a loved one close into a slim 18-karat gold bangle. 

BVLGARI and its coin jewelry, gemme nummarie, hit the jackpot when the line launched in the 1960s. The line has been perennially popular. BVLGARI coin jewelry features ancient Greek and Roman coins embedded in striking gold mounts, usually hung on thick link necklaces of varying lengths. In the 1970s, BVLGARI introduced the Tubogas line, most often made in yellow gold. The Tubogas watches are classics, and then there is the Serpenti, the house's outstanding snake-themed watches and bracelets.

A collection called Monete that incorporated the gold coins is one of several iconic BVLGARI lines that debuted in the 1970s and ’80s, catering to a new generation of empowered women. Just as designers like Halston and Yves Saint Laurent were popularizing fuss-free ready-to-wear fashion for women on the go, BVLGARI offered jewels to be lived in

Since Van Cleef Arpels opened its Place Vendôme doors in 1906, collection after collection of jewelry classics have enchanted the public. As predominantly expressed in a honeycomb of gold, there is the Ludo watch and accessories, circa the 1920s, and the golden Zip necklace, 1951, whose ingenious transformation of the traditional zipper was originally proposed by the Duchess of Windsor. Van Cleef's Alhambra, with its Moroccan motif, was introduced in 1968 and from the start its popularity pivoted on royalty and celebrity status. It remains one of VCA’s most popular and collected styles.

Mention must be made of Buccellati, whose name is synonymous with gold so finely spun that it suggests tapestry. The house’s many gold bracelets, typically embellished with a few or many diamonds, signified taste and distinction and are always in favor on the secondary market. Other important mid-20th-century houses known for their gold-themed jewelry include Hermès and Ilias Lalaounis.

Find a stunning collection of vintage and antique gold jewelry on 1stDibs.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Questions About 19 Carat Diamond
  • 1stDibs ExpertMarch 22, 2022
    A 24-carat diamond is a precious diamond gemstone that weighs 24 carats. One carat weighs 200 milligrams, meaning a 24-carat diamond weighs roughly 4.8 grams. That equates to roughly 0.17 ounces. On 1stDibs, shop a variety of diamond jewelry.
  • 1stDibs ExpertApril 5, 2022
    Yes, there are three-carat diamonds, and you can find them from a number of different jewelers and other retailers. Find an assortment of diamond jewelry from the world’s top sellers on 1stDibs.
  • 1stDibs ExpertAugust 17, 2021
    A 7-carat diamond can cost anywhere between $12,000 and $185,000 depending on the quality of the stone. The fewer imperfections, the more expensive the diamond. Some 7-carat diamonds can cost more than $400,000.
  • 1stDibs ExpertSeptember 28, 2021
    A 9-carat diamond’s worth varies depending on the 4Cs of diamond quality — color, cut, clarity and carat. On average, a 9-carat diamond could cost you between $19,000 to $1,000,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 9-carat diamond jewelry from different periods and styles to choose from.
  • 1stDibs ExpertSeptember 28, 2021
    A 3-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 3-carat diamond could cost you between $7,200 to $51,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 3-carat diamond jewelry today.
  • 1stDibs ExpertFebruary 22, 2021
    Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.
  • 1stDibs ExpertFebruary 27, 2024
    In terms of dimensions, how large a 3-carat diamond is varies. The shape of the diamond will determine its length and width. Weighing 600 milligrams, diamonds that are 3 carats are generally considered to be large stones. On 1stDibs, shop a large collection of diamond jewelry from some of the world's top dealers.
  • 1stDibs ExpertFebruary 22, 2021
    The size of a 12 carat diamond is dependent on diamond cut. A 12 carat round diamond is roughly 15 mm in size.
  • 1stDibs ExpertNovember 6, 2023
    There is no hard-and-fast rule for how many carats a diamond necklace should be. On average, solitaire diamond necklaces range from 0.5 to 1 carat, but you can find pieces with larger and smaller stones. Tennis chains that feature continuous diamonds set into links usually have much higher total carat weights. For example, one might feature 60 individual diamonds, each 0.20 carats in size, for a total carat weight of 12.0 carats. Shop a wide range of diamond necklaces on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A nine-carat diamond is considered rare and holds a premium price. Because of their rarity and size, nine-carat diamonds are a coveted choice for engagement rings. One of the most famous nine-carat diamond rings belongs to actress Kate Hudson, who has a nine-carat emerald cut diamond complemented with tapered baguettes on a platinum band. Shop a selection of diamond jewelry on 1stDibs.
  • 1stDibs ExpertSeptember 28, 2021
    An 8-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On an average an 8-carat diamond could cost you between $17,500 to $90,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 8-carat diamond jewelry from different periods and styles to choose from.
  • 1stDibs ExpertSeptember 28, 2021
    A 4-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 4-carat diamond could cost you between $8,400 to $71,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 4-carat diamond jewelry.
  • 1stDibs ExpertSeptember 28, 2021
    A 6-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 6-carat diamond could cost you between $15,000 to $80,000. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 6-carat diamond jewelry.
  • 1stDibs ExpertSeptember 28, 2021
    A 5-carat diamond’s worth varies depending on the 4Cs of diamond quality – color, cut, clarity and carat. On average, a 5-carat diamond could cost you between $9,600 to $67,500. It is also likely that the price range per carat will be even broader. On 1stDibs, you can find a variety of 5-carat diamond jewelry.
  • 1stDibs ExpertSeptember 28, 2021
    The minimum value of a 25-carat diamond ranges from $300 to $1,400. The prices change subject to the fluctuation of market factors. The value is defined based on the 4Cs — color, clarity, cut and carat weight. Shop antique, vintage and new diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 27, 2024
    Whether a 1.5-carat diamond is too big depends on the type of jewelry in question and your personal preferences. A single stud earring that is 1.5 carats is rather large and would cover the entire earlobe. In terms of rings, a 1.5-carat diamond is larger than average. Find a variety of diamond jewelry on 1stDibs.
  • 1stDibs ExpertFebruary 13, 2023
    Yes, a two-carat diamond is generally rarer than a smaller diamond, especially high-quality two-carat diamonds. When larger diamonds are found in nature, they usually have flaws. And prices per carat don’t increase as weight increases. A three-carat gem can be less valuable than a one-carat stone, for example, if all of the other attributes are of lesser quality in the larger diamond. Shop an assortment of diamond jewelry from some of the world’s top jewelers on 1stDibs.
  • 1stDibs ExpertNovember 1, 2023
    Whether two-carat diamond studs are too big is a matter of personal preference. At this size, each earring will be one carat. If you opt for the classic round brilliant cut, the studs will typically measure around 6.5 millimeters in diameter, which is a little more than half the size of a dime. Find a wide range of diamond stud earrings on 1stDibs.
  • 1stDibs ExpertNovember 8, 2023
    Whether 1.3-carat diamond earrings are too small is a matter of personal opinion. A pair of earrings with a total carat weight of 1.3 is considered to be medium-sized. The smallest diamond earrings are around 0.25 carats, while the largest are 1.5 carats or more. Explore a wide range of diamond earrings on 1stDibs.
  • 1stDibs ExpertNovember 27, 2023
    Whether half-carat diamond studs are too small is a matter of personal opinion. A pair of diamond studs with a total carat weight of 0.5 usually consists of two 0.25-carat earrings. Many jewelry makers offer studs as small as 0.13 carats, so many people consider half-carat diamond studs to be medium-sized. On 1stDibs, shop a collection of antique and vintage diamond stud earrings.