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14 Karat Yellow Gold and Diamond Dolphin Ring Size 6.5 #15104
Located in Washington Depot, CT
14 Karat Yellow Gold and Diamond Dolphin Ring Size 6.5- This lovely ring features a pair of
Category

20th Century Engagement Rings

Materials

White Diamond, Gold, 14k Gold, Yellow Gold

Vintage Mikimoto Shell and Diamond Dolphin Brooch in Yellow Gold
By Mikimoto
Located in London, England
A beautiful vintage Mikimoto shell and diamond dolphin brooch set in 18k yellow gold. The brooch
Category

21st Century and Contemporary Japanese Modern Brooches

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Lalaounis Gold Diamond Dolphin Ring
By Ilias Lalaounis
Located in San Antonio, TX
18k yellow and white gold diamond ring in a dolphin motif. Signed ILIAS LALAOUNIS. Partially
Category

Vintage 1970s Greek Fashion Rings

Materials

Diamond, 18k Gold

David Webb 1960s Diamond Dolphin Brooc
By David Webb
Located in New York, NY
An American Mid-20th Century 18 karat gold and platinum brooch with diamonds, emeralds, ruby and
Category

Vintage 1960s American Brooches

Materials

White Diamond, Emerald, Ruby, Blue Sapphire, 18k Gold, Platinum

18 Karat White Gold Diamond Dolphin Wide Bangle Bracelet
By Carrera y Carrera
Located in Southampton, PA
exquisitely crafted dolphins, this superb cuff bracelet from Carrera y Carrera offers eye-catching fashionable
Category

21st Century and Contemporary Bangles

Materials

Diamond, White Gold

Chopard Animal World 18 Karat White Gold Diamond Dolphin Pendant Necklace
By Chopard
Located in Southampton, PA
Animal World Dolphin 18K White gold pendant necklace - a fantastic sculpted dolphin in white gold
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, White Gold, 18k Gold

Rosior One-Off Blue Diamond "Dolphin" Cocktail Ring Set in White Gold
By Rosior
Located in Porto, PT
Rosior one-off Cocktail Ring, featuring a Dolphin set in 19.2K White Gold with: - 325 Blue Diamonds
Category

21st Century and Contemporary Portuguese Contemporary Cocktail Rings

Materials

Diamond, Blue Diamond, Black Diamond, Gold, White Gold

Carrera y Carrera 18k White Gold Diamond Dolphin and Tahitian Pearl Necklace
By Carrera y Carrera
Located in Washington Depot, CT
Carrera y Carrera 18K White Gold Diamond Tahitian Pearl and Dolphin Necklace This beautiful pearl
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Pearl, White Gold

Chopard Animal World Womens 18 Karat White Gold Diamond Dolphin Pendant Necklace
By Chopard
Located in Southampton, PA
Animal World Dolphin 18K whitegold pendant necklace - a fantastic sculpted dolphin in white gold
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, White Gold

Dolphin Necklace Diamond Sapphire Estate 14 Karat Gold Fine Jewelry Marine Life
Located in Torrance, CA
Elegant and finely detailed estate sapphire & diamond dolphin pendant & necklace, crafted in 14
Category

Mid-20th Century Unknown Modern Pendant Necklaces

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold

Dolphin Enamel Pearl Diamond Gold Ring
Located in Beverly Hills, CA
Playfully caught in the mouth is a pearl measuring 3.2mm 2 single cut diamonds weighing
Category

Vintage 1960s Engagement Rings

Materials

Diamond, Pearl, Gold, 18k Gold, Enamel

Dolphin Enamel Pearl Diamond Gold Ring
Located in Beverly Hills, CA
Playfully caught in the mouth is a pearl measuring 3.2mm 2 single cut diamonds weighing
Category

Vintage 1960s Engagement Rings

Materials

Diamond, Pearl, Gold, 18k Gold, Enamel

Diamond Pearl Ruby Gold Dolphin Pendant
Located in Beverly Hills, CA
diamonds, along with 1 cabochon ruby eye. The cute dolphin is jumping over a beautiful Akoya pearl with a
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Pearl, Ruby, Gold, 18k Gold, Yellow Gold

Carrera y Carrera Diamond Gold Dolphin Ring
Located in Southampton, PA
Carrera ring is the right choice for you. Depicting two charming dolphins accented with attractive diamond
Category

21st Century and Contemporary Spanish Band Rings

Materials

White Diamond, 18k Gold, Yellow Gold

Carrera Y Carrera Dolphin Diamond White Gold Ring
By Carrera y Carrera
Located in Southampton, PA
18k White Gold Dolphin Diamond Band Ring by Carrera Y Carrera. With 18 round brilliant cut
Category

21st Century and Contemporary Spanish Band Rings

Materials

Diamond, 18k Gold

Carrera Y Carrera Diamond Gold Dolphin Cuff Bracelet
By Carrera y Carrera
Located in Southampton, PA
18k White Gold Dolphin Diamond Bangle Bracelet by Carrera Y Carrera. With 30 round brilliant cut
Category

20th Century Spanish Cuff Bracelets

Materials

Diamond, 18k Gold

Diamonds, 18 Karat White Gold Dolphins Pendant Necklace
Located in Marcianise, Marcianise (CE)
with two dolphins studded with diamonds. The chain is included. Diamonds 0.13 ct Total Weight 3.00 gr
Category

2010s Italian Modern Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Wyland Limited Edition Pearl Diamond Gold Dolphin Necklace
Located in Miami, FL
accented by 36 round brilliant cut diamonds weighing approximately 1cts total G color VS clarity. The
Category

20th Century American More Necklaces

Materials

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

1970’s Diamond Coral Emerald Gold Dolphin Ring
Located in Beverly Hills, CA
A sweet and stylish dolphin ring! It is made of a coral body with round brilliant-cut diamonds set
Category

21st Century and Contemporary American Cocktail Rings

Materials

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

Wyland Limited Edition Pearl Diamond Gold Double Dolphin Earrings
Located in Miami, FL
18k yellow gold limited edition Wyland double dolphin earrings number 52 of 250 featuring cultured
Category

1990s American Lever-Back Earrings

Materials

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

Ilias Lalaounis Greece Rock Crystal Diamond Gold Dolphin Necklace
By Ilias Lalaounis
Located in Southampton, PA
18k Yellow Gold Diamond Rock Crystal Dolphin Necklace By Illias Lalaounis Greece With 52 round
Category

1990s Greek Drop Necklaces

Materials

Diamond, 18k Gold

Dolphin Diamond Eye Necklace in 18k Yellow Gold
Located in Honolulu, HI
Item Specifications: Necklace Metal: 18k Yellow Gold Total Weight: 6 Grams Diamond Color: H
Category

21st Century and Contemporary Unknown Modern Pendant Necklaces

Materials

Diamond, Yellow Gold, Gold, 18k Gold

Carrera Y Carrera Ruby Diamond Gold Dolphin Bangle Bracelet
By Carrera y Carrera
Located in Southampton, PA
18k Yellow Gold Dolphin Diamond Bangle Bracelet by Carrera Y Carrera. With 32 round brilliant cut
Category

20th Century Spanish Bangles

Materials

Diamond, Ruby, 18k Gold

Cartier Double Strand Pearl Diamond White Gold Dolphin Necklace
By Cartier
Located in Southampton, PA
depicts two dolphin motifs. Both dolphins have glittering green emerald eyes, while the largest dolphin is
Category

20th Century French Multi-Strand Necklaces

Materials

Diamond, Emerald, Cultured Pearl, 18k Gold, White Gold

18 Karat White Gold Diamond and Pearl Dolphin Ring
By Chopard
Located in Southampton, PA
scintillating diamonds, this elegant ring from Carrera y Carrera offers endearingly refined look. It is made of
Category

21st Century and Contemporary Band Rings

Materials

Diamond, White Gold

Bulgari White Gold Diamond Pavé, Aquamarine and Sapphire Dolphin Brooch
By Bulgari
Located in Southampton, PA
Beautifully crafted in shimmering 18K white gold, this gorgeous dolphin brooch is Bvlgari's
Category

20th Century Brooches

Materials

Aquamarine, White Diamond, Sapphire, Diamond, 18k Gold, White Gold

Carrera y Carrera Ruby Diamond Gold Dolphin Pendant Necklace
By Carrera y Carrera
Located in Southampton, PA
and embellished with diamond and ruby stones - this lovely Carrera y Carrera necklace offers stylish
Category

20th Century Spanish Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Dolphin Pin in 18 Karat Gold with Ruby and Diamond
Located in New York, NY
A vintage Dolphin pin in 18K yellow gold with a ruby eye and bezel set diamond. Round brilliant
Category

Late 20th Century Brooches

Materials

Diamond, Ruby, 18k Gold

Vintage 18KT Yellow Gold Dolphin Earrings with Diamonds and Rubies
Located in New York, NY
diamond quality and fine ruby accents, each dolphin curves with playful elegance, detailed with pavé-set
Category

Late 20th Century Clip-on Earrings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Temple St. Clair Save The Dolphins Diamond Yellow Gold Ring
By Temple St. Clair
Located in Southampton, PA
18k Yellow Gold Diamond Save The Dolphins Ring by Temple St Clair. Total Diamond Weight: Diamonds
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, 18k Gold

18 Karat Yellow Gold Diamond and White Pearl Dolphin Ring
By Chopard
Located in Southampton, PA
Prestigious 18K yellow gold radiance and luxurious diamond glisten are harmoniously combined in
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Yellow Gold

18 Karat Yellow Gold Diamond and Black Pearl Dolphin Ring
By Chopard
Located in Southampton, PA
0.18ct of sparkly diamonds. Ring Top Dimensions: 20mm x 15mm
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Yellow Gold

18 Karat White Gold Diamond and Black Pearl Dolphin Earrings
By Chopard
Located in Southampton, PA
, sophisticated appeal. They are also set with luxurious diamond stones totaling 0.15ct that add a subtle touch of
Category

21st Century and Contemporary More Earrings

Materials

Diamond, White Gold

18K White Gold 0.22ct Diamond and Sapphire Dolphin Ring MF08-072325
By LB Exclusive
Located in Southampton, PA
White Gold 0.22 ct Diamond and Sapphire Dolphin Ring is offered in estate condition, presented in a gift
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Temple St Clair Diamond Moonstone Sapphire Aqua Dolphin Yellow Gold Pendant
By Temple St. Clair
Located in Southampton, PA
18k Yellow Gold Diamond Moonstone Sapphire Aqua Dolphin Pendant by Temple St Clair. This piece
Category

20th Century More Jewelry

Materials

Diamond, Moonstone, Sapphire, 18k Gold

18K Yellow Gold Dolphin Motif Pin with Ruby eye and Diamond
Located in New York, NY
Vintage Dolphin pin finely crafted in highly textured 18 Karat yellow gold with one deep red ruby
Category

Late 20th Century Brooches

Materials

Diamond, Ruby, 18k Gold, Gold

18 Karat White Gold Diamond and Pink Sapphire Pave Dolphin Ring
By Chopard
Located in Southampton, PA
Producing an alluringly bright effect, the delightful pink sapphires and scintillating diamonds
Category

21st Century and Contemporary Band Rings

Materials

Diamond, White Gold

18 Karat White Gold Diamond and White Pearl Dolphin Pendant Necklace
By Chopard
Located in Southampton, PA
gold set with scintillating diamonds and sublime white pearl, this gorgeous necklace designed by
Category

21st Century and Contemporary More Necklaces

Materials

Diamond, White Gold

18 Karat White Gold Diamond and Black Pearl Dolphin Pendant Necklace
By Chopard
Located in Southampton, PA
diamonds that add a nifty luxurious touch to the overall look.
Category

21st Century and Contemporary More Necklaces

Materials

Diamond, White Gold

18 Karat Yellow Gold Diamond and Black Pearl Dolphin Pendant Necklace
By Chopard
Located in Southampton, PA
Made of attractive 18K yellow gold and embellished with scintillating diamond stones - a
Category

21st Century and Contemporary More Necklaces

Materials

Diamond, Yellow Gold

Massive 107.08 Carat Kunzite Diamond Sapphire 18K White Gold Ocean-Dolphin
Located in Beverly Hills, CA
barbie-pink kunzite surrounded by a detailed ocean and dolphin motif. There are two dolphins studded with
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Kunzite, Ruby, Sapphire, Blue Sapphire, Pink Sapphire, 18k Gold...

3.85 Carat Diamond Enamel Gold Dolphin Statement Pin Brooch Estate Fine Jewelry
Located in Montreal, QC
Stunning Double Dolphin Brooch, encrusted with vivid round dazzling brilliant cut diamonds
Category

Vintage 1980s European Modernist Brooches

Materials

Diamond, Ruby, 18k Gold

Important David Webb Azurmalachite Dolphin Bracelet
By David Webb
Located in New York, NY
An important David Webb dolphin bracelet composed of carved azurmalachite segments, accented with
Category

Vintage 1970s American Cuff Bracelets

Materials

Diamond, Ruby, 18k Gold

Cartier 18K Yellow Gold 2.10 ct Diamond, Pearl, and Emerald Dolphin Brooch
By Cartier
Located in Southampton, PA
dolphin makes a statement thanks to inset diamond gemstones with a total weight of 2.10 carats. Emerald
Category

21st Century and Contemporary Brooches

Materials

Diamond, Emerald, Pearl, Yellow Gold

Carrera y Carrera 18K WHITE GOLD DIAMOND AND PEARL DOLPHIN NECKLACE
Located in Scottsdale, AZ
diameter Diamonds: round brilliant cuts 6.36 carat total weight Color: G Clarity: VS Dimensions: choker is
Category

2010s American Modern Choker Necklaces

Materials

Diamond, Pearl, 18k Gold, White Gold

18 Karat Yellow Gold Diamond and White Pearl Dolphin Open End Necklace
By Chopard
Located in Southampton, PA
white pearl, both embellished with sparkly diamonds that weigh 0.45ct in total.
Category

21st Century and Contemporary More Necklaces

Materials

Diamond, Yellow Gold

Legnazzi Rock Crystal Enamel Dolphin Set
By Legnazzi
Located in New York, NY
crystal and enamel, embellished with diamonds and emerald eyes. Circa 1975.
Category

Vintage 1970s Italian Cuff Bracelets

Materials

Emerald, Rock Crystal, White Diamond

N Teufel Dolphin Diamond Spinner Ring 18 Karat Gold Motion circa 1987 Ocean
Located in Torrance, CA
. Round brilliant cut diamonds total an estimated 0.12 carats (estimated at H-I color and VS2 clarity
Category

Vintage 1980s American Modern Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Carrera y Carrera Dolphin Necklace and Brooch
By Carrera y Carrera
Located in Dallas, TX
18 K Yellow Gold Malachite Diamond Carrera Necklace Dolphins and Diamonds in a sea of Malachite
Category

Vintage 1980s Spanish Modern Pendant Necklaces

Materials

Malachite, Diamond, 14k Gold, 18k Gold, Yellow Gold

14 Karat Yellow Gold and Sapphire Dolphin Charm
Located in Washington Depot, CT
Vintage 14 Karat Yellow Gold and Sapphire Diamond Charm- Dolphins have been a symbol of protection
Category

20th Century Charm Bracelets

Materials

Sapphire, Yellow Gold

Tiffany Co. Schlumberger Sixteen Stone Ring 18k Gold Ruby Diamond Estate
By Jean Schlumberger for Tiffany Co.
Located in Beverly Hills, CA
iconic jewels by Schlumberger -- gold, diamond, sapphire and emerald Dolphin brooch -- was made in just
Category

1990s American Band Rings

Materials

Diamond, Ruby, 18k Gold

Tiffany Co. Schlumberger Sixteen Stone Ring 18k Gold Ruby Diamond Estate
By Jean Schlumberger for Tiffany Co.
Located in Beverly Hills, CA
iconic jewels by Schlumberger -- gold, diamond, sapphire and emerald Dolphin brooch -- was made in just
Category

1990s American Band Rings

Materials

Diamond, Ruby, 18k Gold

Art Nouveau Diamond Dolphin Cufflinks
Located in Riverdale, NY
Art Nouveau Diamond Dolphin Cufflinks in 14k gold with diamonds. Exquisite quality and weight
Category

Antique 1890s American Art Nouveau Cufflinks

Materials

Diamond, 14k Gold

Platinum Diamond Dolphin Brooch with Emerald Eye
Located in Birmingham, AL
This is a Stunning Dolphin Brooch! Made in Platinum and features two carats of pave set, round
Category

Late 20th Century Unknown Artisan Brooches

Materials

Diamond, Emerald, Platinum

14K White Gold .30 Carat Sapphire Diamond Dolphin Pendant Necklace
Located in Eagan, MN
This is a very different type of dolphin pendant. It's very unique in that it has .30 carats of
Category

2010s Unknown Art Deco Pendant Necklaces

Materials

Diamond, Sapphire, 14k Gold, White Gold

Dolphin Necklace Diamond Sapphire Estate 14k White Gold Fine Jewelry Marine Life
Located in Torrance, CA
Elegant and finely detailed estate sapphire & diamond dolphin pendant & necklace, crafted in 14
Category

Mid-20th Century Unknown Modern Pendant Necklaces

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, 14k Gold, White Gold

Ruby Diamond Gold Dolphin Ring
Located in Firenze, IT
Designed as a dolphin with round cut rubies eyes and rubies and diamond set bifurcated tail
Category

Vintage 1970s Italian Fashion Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

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Diamond Dolphin For Sale on 1stDibs

Surely you’ll find the exact diamond dolphin you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and white gold. You can easily find a 120 antique edition and 126 modern creations to choose from as well. You’re likely to find the perfect diamond dolphin among the distinctive items we have available, which includes versions made as long ago as the 19th Century as well as those produced as recently as the 21st Century. A diamond dolphin from Carrera y Carrera, Chopard and Cartier — each of whom created a beautiful version of this treasured accessory — is worth considering. A round cut version of this piece has appeal, but there are also brilliant cut and mixed cut versions for sale. When shopping for a diamond dolphin, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Diamond Dolphin?

On average, a diamond dolphin at 1stDibs sells for $3,675, while they’re typically $93 on the low end and $150,000 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.