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High Polished Beaded Ball Necklace 18 Karat Yellow Gold 52.5 Grams 20 Inches
By Harbor Diamonds
Located in New York, NY
high-polish beaded spheres. Measuring 20 inches in length and weighing an impressive 52.51 grams, this
Category

2010s Contemporary Beaded Necklaces

Materials

18k Gold, Yellow Gold

LEGACY 40 Carat Fancy Yellow Radiant Cut Bracelet GIA certified High jewellery
Located in Mumbai, IN
for its natural beauty, proportion, and light return — resulting in a high-jewelry masterpiece meant
Category

21st Century and Contemporary Indian Tennis Bracelets

Materials

Diamond, Yellow Diamond, 18k Gold

0.46 Carat High Victorian Rose Cut Diamond old Style Ring
By GEM PLAZA
Located in Jaipur, Rajasthan
High Victorian Style Rose Cut Diamond Ring 1 Rose Cut Diamond - 0.46 Carats Full Cut Diamond - 1.23
Category

21st Century and Contemporary Indian High Victorian Bridal Rings

Materials

Diamond, 18k Gold

Textured High Polished Stone Motif Bracelet 27.4 Grams 14 Karat Yellow Gold
By Harbor Diamonds
Located in New York, NY
14 Karat Yellow Gold bracelet featuring a high polished and brushed finish stone motif design
Category

2010s Contemporary Beaded Bracelets

Materials

14k Gold, Yellow Gold

Paperclip High Polish Twisted Link Bracelet 6.6 Grams 14 Karat Yellow Gold
By Harbor Diamonds
Located in New York, NY
Paper clip bracelet with a twist & high polish alternating motif links weighing 6.6 grams, in 14
Category

2010s Contemporary Link Bracelets

Materials

14k Gold, Yellow Gold

0.85 Carat High Victorian Rose Cut Diamond old Style Ring
By GEM PLAZA
Located in Jaipur, Rajasthan
High Victorian Style Rose Cut Diamond old Ring 1 Rose Cut Diamond - 0.85 Carats 18 K Gold
Category

21st Century and Contemporary Indian High Victorian Bridal Rings

Materials

Diamond, 18k Gold

LEGACY 40 Carat Fancy Color Radiant Cut Bracelet GIA certified High jewellery
Located in Mumbai, IN
range, the bracelet exudes a refined warmth that distinguishes it from traditional white diamond jewelry
Category

21st Century and Contemporary Indian Tennis Bracelets

Materials

Diamond, Yellow Diamond, 18k Gold

High Polished Wing Motif Stud Earrings 18 Karat Yellow Gold 13.4 Grams
By Harbor Diamonds
Located in New York, NY
18 Karat yellow gold stud earrings featuring a wing like motif design weighing 13.4 grams.
Category

Early 2000s Contemporary Stud Earrings

Materials

18k Gold, Yellow Gold

LEGACY 50 Carat Fancy yellow Radiant Cut Bracelet GIA certified High jewellery
Located in Mumbai, IN
-approved • Created by Legacy Diamonds & Gemstones, specialists in rare high-jewelry acquisitions
Category

21st Century and Contemporary Indian Tennis Bracelets

Materials

Diamond, Yellow Diamond, 18k Gold

LEGACY 50 Carat Fancy Color Radiant Cut Bracelet GIA certified High jewellery
Located in Mumbai, IN
designed for legacy gifting, red-carpet display, and high-jewelry portfolios. ⸻ Diamond Composition
Category

21st Century and Contemporary Indian Tennis Bracelets

Materials

Diamond, Yellow Diamond, 18k Gold

High Polish Twist Motif Oval Link Bracelet 8.08 Grams 14 Karat Yellow Gold
By Harbor Diamonds
Located in New York, NY
14 Karat yellow gold oval shape link bracelet featuring 21 alternating high polished and twist
Category

2010s Contemporary Link Bracelets

Materials

14k Gold, Yellow Gold

High Polish Twist Motif Oval Link Necklace 19.47 Grams 14 Karat Yellow Gold
By Harbor Diamonds
Located in New York, NY
14 Karat yellow gold oval shape link necklace featuring alternating high polished and twist motif
Category

2010s Contemporary Link Necklaces

Materials

14k Gold, Yellow Gold

Large Knotted High Polish Braided Stud Earrings 14 Karat Yellow Gold 16.2 Gram
By Harbor Diamonds
Located in New York, NY
14 Karat yellow gold stud earring featuring a large knotted motif with high polish and braided
Category

Early 2000s Contemporary Stud Earrings

Materials

14k Gold, Yellow Gold

18 Karat Yellow Gold Figaro High Polished Link Bracelet 62.7 Grams 7.13 Inches
By Harbor Diamonds
Located in New York, NY
18 Karat yellow gold bracelet featuring a Figaro link weighing 62.7 grams. Measurements: 7.13" Long 0.50" Wide
Category

2010s Contemporary Link Bracelets

Materials

Yellow Gold

High Polished Ball Motif Link Chain Necklace 8.8 MM 14KT Yellow Gold 16.1 Grams
By Harbor Diamonds
Located in New York, NY
14 Karat yellow gold chain necklace featuring high polished ball motifs measuring 8.84 MM, 16.1
Category

2010s Contemporary Beaded Necklaces

Materials

14k Gold, Yellow Gold

Large High Polished Dome Stud Earrings 14 Karat Yellow Gold 1 Inch 14 Grams
By Harbor Diamonds
Located in New York, NY
Large high polished dome motif stud earrings weighing 14 grams and a diameter of 1 inch. Very chic!
Category

Early 2000s Contemporary Stud Earrings

Materials

14k Gold, Yellow Gold

San Marco High Polish Link Bracelet 14 Karat Yellow Gold 25.1 Grams Medium Size
By Harbor Diamonds
Located in New York, NY
San Marco medium size link bracelet in a high polish finish weighing 25.1 grams in 14 karat yellow
Category

2010s Contemporary Link Bracelets

Materials

14k Gold, Yellow Gold

"Lucky Green Pea" High End Imperial Jadeite Baikalla Jewelry Signature Pendant
Located in Portland, OR
with VS, G-H color diamonds. The design is a classic good fortune sweet pea style. The high-end
Category

21st Century and Contemporary American Artist Pendant Necklaces

Materials

Diamond, Jade, 18k Gold, White Gold

High Relief Georgian Diamond Amethyst Cameo Brooch
Located in Winter Springs, FL
Pieces like these transcend being a piece of jewelry alone; this is history. Made some time between
Category

Antique Mid-18th Century Georgian Brooches

Materials

Amethyst, Diamond, 18k Gold

Gurhan High Karat Diamond-set Ring
By Gurhan
Located in Litchfield, CT
Circa 1990s, 24k, by Gurhan, Turkey. This fashion-essential 24k pure gold diamond-set ring by
Category

1990s Turkish Band Rings

Materials

Diamond, 24k Gold

High Low Alternating Diamond Band
Located in Great Neck, NY
This classic diamond band adds a little twist by alternating between 2 size diamonds. Each band is
Category

21st Century and Contemporary American Contemporary Band Rings

Materials

Diamond, 18k Gold, White Gold

"High end Jadeite Jewelry" 18K Rose Gold Burmese Black Jadeite Pendant Necklace
Located in Portland, OR
DESIGN CONCEPT--- This 18k rose gold necklace is made with high-quality genuine black Burmese
Category

21st Century and Contemporary American Artist Pendant Necklaces

Materials

Diamond, Black Jade, 18k Gold, Rose Gold

LEGACY 45 carat GIA Certified 10ct Fancy Yellow Pear D–F colour High Jewelry
Located in Mumbai, IN
high-jewelry piece designed not only to be worn but to be remembered — a museum-worthy creation for red
Category

21st Century and Contemporary Indian Modern Drop Necklaces

Materials

Yellow Diamond, 18k Gold

LEGACY 45 carat GIA Certified 10ct Fancy Yellow Pear D–F colour High Jewelry
Located in Mumbai, IN
. This is a high-jewelry piece designed not only to be worn but to be remembered — a museum-worthy
Category

21st Century and Contemporary Indian Modern Drop Necklaces

Materials

Yellow Diamond, 18k Gold

LEGACY 50 carat GIA Certified 12 Fancy Yellow Pear D–F colour High Jewelry
Located in Mumbai, IN
singular 12 Carat GIA-Certified Fancy Yellow Pear-Shaped Diamond, is more than high jewelry — it is a
Category

21st Century and Contemporary Indian Modern Drop Necklaces

Materials

Yellow Diamond, 18k Gold

GIA 1.22 Carat Cushion Square Halo Vintage Vine 18K Yellow Gold Diamond Ring
By EMD Diamonds
Located in New York, NY
item in flawless condition. Crafted in New York, each detail speaks to a legacy of high-quality jewelry
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Yellow Gold

High Polish Antique Style Solid Gold Diamond Bracelet
Located in Great Neck, NY
Antique Style Designed High Polish Diamond Bracelet High quality diamond Bracelet. An elegant yet
Category

1990s Art Deco Tennis Bracelets

Materials

Diamond, White Diamond, Gold, 14k Gold, White Gold, Yellow Gold

14K White Gold Diamond High Heel Shoe Charm #24164
Located in Washington Depot, CT
14K White Gold Diamond High Heel Shoe Charm- This whimsical high heel shoe charm is accented with
Category

20th Century Contemporary Charm Bracelets

Materials

Diamond, 14k Gold, White Gold

Important 1960s White Gold Brooch with High-Quality Diamonds Intense Red Rubie
Located in Milano, MI
Elegant and striking 1960s brooch, crafted in 18ct white gold and set with high-quality diamonds
Category

Vintage 1960s European Brooches

Materials

Diamond, Ruby, White Gold

Natural Zambian high quality diamond ring in 18k hold
Located in New York, NY
Gw =5.63gm Nw = 5.03gm 18k gold Emerald = 1.05cts Diamond =1.95cts FOLLOW MonalisaJewelry Inc
Category

2010s Indian Fashion Rings

Materials

Diamond

Natural Zambian high quality diamond earring in 18k gold
Located in New York, NY
Gw=9.693gm Nw=8.335gm Diamond Baguette=2.79cts Emerald =4.00cts FOLLOW MonalisaJewelry Inc
Category

2010s Indian Stud Earrings

Materials

Diamond, 18k Gold

Natural Zambian high quality diamond earring in 18k gold
Located in New York, NY
Gw=10.566gm Nw=7.538gm Diamond baguette = 2.76cts Emerald =12.38cts FOLLOW MonalisaJewelry Inc
Category

2010s Indian Stud Earrings

Materials

Diamond, 18k Gold

Natural Zambian high quality diamond ring in 18k gold
Located in New York, NY
Gw=4.88gm Nw=3.26gm 18k gold Diamond round =0.19cts Diamond fancy =0.41cts Emerald =7.50cts FOLLOW
Category

2010s Indian Fashion Rings

Materials

Diamond, 18k Gold

Links of London High Heel Shoe Diamond Charm Pendant
By Links of London
Located in London, GB
shoe with a single round brilliant cut diamond at the sole. The piece is made complete by a high
Category

21st Century and Contemporary Charm Bracelets

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Vintage 9.82 Carat High Zircon and Diamond Platinum Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning 9.82 carat high zircon and 0.29 carat diamond, platinum cocktail ring; part of our
Category

Vintage 1940s Unknown Cocktail Rings

Materials

Diamond, Zircon, Platinum

Emerald Diamond Seed-Pearl High-Karat Gold Necklace
Located in Beverly Hills, CA
plethora of diamonds! They are all set in 22k yellow gold giving the necklace a bright yellow color
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Emerald, Pearl, Gold, 22k Gold

0.45pts Natural High Quality Ruby Diamond Wedding Band
Located in Jupiter, FL
Beautiful and unique high quality natural ruby & diamond engagement or wedding band. This delicate
Category

2010s American Band Rings

Materials

Diamond, Ruby, Gold, 14k Gold, Yellow Gold

Natural Zambian high quality diamond ring in 18k gold
Located in New York, NY
Gw=6.670gm Nw=4.690gm 18k gold Diamond fancy=0.81cts Emerald =9.08cts FOLLOW MonalisaJewelry Inc
Category

2010s Indian Fashion Rings

Materials

Diamond, 18k Gold

Art Deco 7.12 Carat High Zircon 10.85 Carat Diamonds Platinum Brooch Circa 1930
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive, large antique Art Deco 7.12 carat high zircon, 10.85 carat diamond
Category

Vintage 1930s Art Deco Brooches

Materials

Diamond, Zircon, Platinum

Natural zambian high quality emerald diamond earring 18k gold
Located in New York, NY
GW=25.080gm NW=19.266gm diamond = 5.70cts emerald heart shape=23.37cts FOLLOW MonalisaJewelry Inc
Category

2010s Indian Stud Earrings

Materials

Diamond, Emerald, 18k Gold

18k White Gold South Sea Black Pearl Diamond Flower Brooch, High Luster
Located in Hong Kong, HK
about 13.3mm in size and 5 white diamonds 0.04cts. The pearl has a nice back color with excellent luster
Category

2010s Hong Kong Brooches

Materials

Diamond, White Diamond, Pearl, Black Pearl, South Sea Pearl, Gold, 18k G...

Antique Victorian 14k Gold High Quality Turquoise Diamond Bar Pin Brooch
Located in Montclair, NJ
: MK-460251069 High Quality Persian Turquoises, w/ Old Cut Diamond Victorian Bar Link.
Category

Antique 19th Century Victorian Brooches

Materials

Diamond, Turquoise, Gold, 14k Gold, Yellow Gold

Antique Art Deco 10.75 Carat High Zircon and Diamonds Platinum Bar Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 10.75 carat high zircon and 0.60 carat diamonds, platinum
Category

Vintage 1930s Unknown Art Deco Brooches

Materials

Diamond, Zircon, Platinum

Gold Halo Ring with High Quality Diamonds 14k WG
Located in Berlin, BE
Diamond cluster halo ring crafted in 14k white gold. The ring is set with brilliant-cut diamonds
Category

21st Century and Contemporary German Aesthetic Movement Cluster Rings

Materials

Diamond, Gold, 14k Gold, White Gold

7.65ct White and Fancy Yellow Diamond Stiletto High Heel Pendant
Located in New York, NY
This is an amazing 14k white gold stiletto high heel pendant. The pendant is set with sparkling
Category

20th Century Pendant Necklaces

Materials

Diamond, Gold, 14k Gold, White Gold

Certified Natural Icy Jade Discs Diamond Pendant. High Translucency. Unique!
Located in Hong Kong, HK
18k white gold and natural white diamonds. The untreated / unenhanced natural jade is very translucent
Category

2010s Hong Kong Pendant Necklaces

Materials

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

High Quality Green Grade Jadeite 18k WG .16ct Diamond Pendant
Located in Laguna Hills, CA
This high-quality green Grade A jadeite pendant features a unique peapod shape design adorned with
Category

21st Century and Contemporary Chinese Contemporary Pendant Necklaces

Materials

Diamond, Jade, 18k Gold, White Gold

Certified Colorless Icy Jade Diamond Swan Pendant / Brooch, High Translucency
Located in Hong Kong, HK
diamonds in this setting. Natural un-treated colorless icy jades of this quality are rare and highly sort
Category

2010s Hong Kong Pendant Necklaces

Materials

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

High Quality Tennis Diamond Bracelet in 18K Rose Gold
Located in Hong Kong, HK
Diamonds with 1.20ct - 6.5" inch (can be custom made in 6", 6.25, 6.5" 6.75, 7.0") - High Quality: D-F in
Category

2010s Hong Kong Modern Tennis Bracelets

Materials

Diamond, 18k Gold, Rose Gold

Estate High Quality Contemporary 2.0 Ct Diamond Signet ring
Located in Napoli, IT
The Finest Jewellery Highest in quality, contemporary, hand crafted of solid 18 KT gold
Category

21st Century and Contemporary European Contemporary Signet Rings

Materials

Diamond, 18k Gold

High Quality Translucent Hand Carved Jade Earrings with Diamonds
By Angeletti
Located in Roma, IT
High Quality Translucent Hand Carved Jade Earrings with Diamonds. The Magic of the Jade of these
Category

2010s Italian Classical Roman Drop Earrings

Materials

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

Solid Gold High Quality 1ctw Diamond Textured Polished Multi Leaf Pin Brooch
Located in Montclair, NJ
--Stone(s):-- (42) Natural Genuine Diamonds - Single Cut & Round Brilliant Cut - Prong & Pave Set
Category

21st Century and Contemporary Brooches

Materials

Diamond, Gold, White Gold, Yellow Gold

18 Karat Yellow Gold Pave Diamond High Heel Pendant
Located in Scottsdale, AZ
Designer: custom design Material: 18K yellow gold Diamond: round brilliant cut = .46cttw Color: G
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Natural Zambian Emerald high quality diamond Bracelet in 18k gold
Located in New York, NY
GW=32.270gm NW=28.240gm diamond round =2.98cts diamond baguette =2.87cts emerald oval =14.04cts
Category

2010s Indian Modern Bracelets

Materials

Diamond, Emerald, 18k Gold

Natural zambian high quality Emerald diamond earring in 18k gold
Located in New York, NY
GW=12.110gm NW=8.266gm diamond round =1.82cts diamond fancy=1.23cts emerald = 16.17cts FOLLOW
Category

2010s Indian Stud Earrings

Materials

Diamond, Emerald, 18k Gold

Dainty Vintage 10K High Set Diamond Cluster Ring Size 6
Located in Webster, SD
, 3mm diamonds with an estimated .21 ctw. These are not high end diamonds but its still a very pretty
Category

Late 20th Century North American Art Deco Cluster Rings

Materials

Diamond, 10k Gold

Natural Zambian Emerald High Quality Diamond Bracelet in 18k Gold
Located in jaipur, IN
halo sparkling diamond. The warm glow of gold enhances the gemstone’s soft, ocean-like hue, making this
Category

2010s Indian Modern Bracelets

Materials

Diamond, Emerald, 18k Gold

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High Diamond Jewellery For Sale on 1stDibs

On 1stDibs, you can find the most appropriate high diamond jewellery for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. Find an antique version now, or shop for 261 vintage or 128 modern creation for a more contemporary example of these cherished accessories. Making the right choice when shopping for a high diamond jewellery may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. There have been many well-made iterations of the classic high diamond jewellery over the years, but those made by Cartier, Chopard and Antinori Fine Jewels are often thought to be among the most beautiful. A round cut version of this piece has appeal, but there are also old mine cut and brilliant cut versions for sale. Finding a high diamond jewellery for sale for women should be easy, but there are 160 pieces available to browse for unisex as well as men, too.

How Much is a High Diamond Jewellery?

The price for a high diamond jewellery starts at $164 and tops out at $474,000 with these rings, on average, selling for $5,446.

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.