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David Webb Snake Enamel Ring
By David Webb
Located in New York, NY
An 18 karat yellow gold, enamel, diamond and emerald ring. Signed Webb. The ring is designed as a
Category

Vintage 1960s More Rings

Materials

Emerald, Diamond, 18k Gold

Hermes 18 Karat Rose Gold and Enamel Pavé Logo Ring
By Hermès
Located in Los Angeles, CA
This Hermes ring is composed of 18kt rose gold with black enamel, and features a diamond pave 'H
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, 18k Gold

Armenta 14K Rose Gold Sterling Silver Enamel Crivelli Stack Band Ring
By Armenta
Located in Carmel By The Sea, CA
& Sterling Silver Enamel Crivelli Stack Band Ring Rose World Collection Black Enamel Champagne Diamonds
Category

2010s Band Rings

Materials

Rose Gold, Sterling Silver, Enamel

Art Deco Enamel "Gypsy" Ring with 1.87ct Old European Diamond
Located in Carmel-by-the-Sea, CA
18k yellow gold ring with a 1.87ct old European cut diamond set in a platinum bezel and finished
Category

Early 20th Century Art Deco Engagement Rings

Materials

Diamond, 18k Gold

Neo Renaissance Enamel and Old Cut Diamond 5 Carat Ring
Located in Firenze, IT
-set claws and a black and white enamel bezel surround, the tapering shoulders with skull motif
Category

Antique Late 19th Century Italian Renaissance Fashion Rings

Materials

Diamond, 18k Gold, Yellow Gold

Intertwined Diamond Gold Band Ring.
By New Italian Art
Located in Greenwich, CT
Let your hand sparkle elegantly with this Diamond pave ring. This glamorous piece will elicit
Category

2010s Italian Modern Band Rings

Materials

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

Cabochon 18.19 Carats Glass-Filled Ruby Enamel Cocktail Ring in 18K Rose Gold
Located in Hong Kong, HK
carat of round diamond. The diamond halo is outlined with black enamel. A simple yet modern design
Category

2010s Hong Kong Contemporary Cocktail Rings

Materials

Diamond, Other, Ruby, 18k Gold, Rose Gold, Enamel

Certified 11.07 Carat Emerald Cabochon and Diamond with Enamel 18K White Gold
By Royaal Stones Ltd
Located in Bangkok, Thailand
A one of a kind 11.07 carat Emerald cabochon and 0.88 carat White Diamond cocktail ring, with black
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

Diamond, Emerald, White Gold, Enamel

32nd Degree Scottish Rite Diamond Ring, 14k Gold Masonic Yod Enamel Round .85ct
Located in Greensboro, NC
Crafted in 14k yellow and white gold, this 32nd degree Scottish Rite ring showcases a radiant white
Category

20th Century Unknown More Rings

Materials

14k Gold

Set in 18K gold, Art Deco Tourmaline, Diamonds and French Enamel Cocktail Ring
Located in Hong Kong, HK
enamel technique in 18K yellow gold. The French enamel consists of black and white color. The weight of
Category

2010s Hong Kong Art Deco Cocktail Rings

Materials

Tourmaline, 18k Gold

David Webb Yellow Gold Platinum Enamel Diamond and Cabochon Ruby Zebra Ring
By David Webb
Located in New York, NY
David Webb Yellow Gold Platinum Enamel Diamond and Cabochon Ruby Zebra Ring DESCRIPTION: A diamond
Category

Vintage 1980s American Modern Cocktail Rings

21st Century 3.56 Carat Diamond Magnolia Birds Gold Black Rhodium Cocktail Ring
By Vicente Gracia Art Jewellery
Located in Valencia, ES
18 Karat Yellow Gold Black Rhodium Cocktail Ring 3.56 Carat Diamond, 0.16 Carat Diamonds, Fire Enamel
Category

21st Century and Contemporary Spanish Modern Cocktail Rings

Materials

Diamond, Gold, Yellow Gold, 18k Gold, Rhodium

Charles Turi 1980 s Diamond Enamel Platinum 18 Karat Yellow Gold Swirling Vintag
By Charles Turi
Located in Philadelphia, PA
Flanked by puffed rows of black enamel - glossy with minimal loss Alternating with segments of high
Category

Vintage 1980s Dome Rings

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold, Platinum, Enamel

Hermes Rose Gold Diamond "H" Ring
By Hermès
Located in Southampton, PA
black enamel. Lastly, the "H" motif is set with an ~.20ct diamond pave. Ring Size: 6.5 (52 3/4)
Category

21st Century and Contemporary French Band Rings

Materials

White Diamond, 18k Gold, Rose Gold

Sasportas Art Deco Jade and Pearl Ring with Diamond and Enamel Accents
By Sasportas
Located in New York, NY
An Art Deco ring comprised of a carved jade panel set with a pearl in a diamond and black enamel
Category

Vintage 1920s French Art Deco More Rings

Materials

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

Bulgari Ruby Diamond Gold Dome Ring
Located in San Antonio, TX
18 kt. gold ring set with black enamel and buff top rubies, centering 3 cabochon rubies, flanked by
Category

Vintage 1980s Italian Dome Rings

Materials

Diamond, Ruby, 18k Gold

Claflin for Tiffany Coral and Enamel Ring
By Donald Claflin
Located in New York, NY
An 18 karat yellow gold, coral, diamond and enamel ring, designed by Donald Claflin for Tiffany
Category

Vintage 1960s Dome Rings

Materials

Coral, Diamond, 18k Gold

Emerald Diamond Gold Panther Head Ring
Located in Miami, FL
skin rendered in black enamel profiles resembling the panther's skin. This unique vintage Retro ring is
Category

Vintage 1950s Unknown Retro Fashion Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

18k Enamel and Diamond Cocktail Ring by La Triomphe
By La Triomphe
Located in Cincinnati, OH
A bold 18k yellow gold, enamel and diamond ring by La Triomphe. The 3.00ct free-formed diamond
Post Medieval Tudor Diamond Gold Ring
Located in London, GB
original black enamel. Tested yellow gold, approximately 4g in weight, circa 16th century, accompanied by
Category

Antique 16th Century Unknown Tudor Engagement Rings

Materials

Diamond, Yellow Gold

14 Karat Yellow Gold and Diamond Ring
Located in Washington Depot, CT
gold accented with black enamel. Top of ring measures 22 mm. Shank measures 1 mm. Approximate total
Category

20th Century Fashion Rings

Materials

Diamond, Yellow Gold

2.57 Carat Black Flower Ring in 18k White Gold
By Shimon s Creations
Located in New York, NY
2.57 Carat Black Flower Ring in 18k White Gold with a Micro-inlay of diamonds on every other petal
Category

21st Century and Contemporary Art Deco Fashion Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Antique Victorian Amethyst Diamond Gold Ring, 1890
Located in Chicago, IL
Russian, circa 1880s-1890s. This chunky Victorian era gold and silver ring features a large step
Category

Antique Late 19th Century Russian Victorian Cluster Rings

Materials

Amethyst, Diamond, Gold

Bochic Black Noir Mask Ring
By Bochic
Located in New York, NY
Bochic black and white enamel ring. Black and White diamonds. 18 karat gold. 0.54 white diamonds
Category

21st Century and Contemporary American Art Nouveau Cocktail Rings

Materials

White Diamond, Black Diamond, 18k Gold

Art Deco 1.03 CTW Old Mine Diamond 14K Gold Antique Belcher Engagement Ring
Located in Philadelphia, PA
by glossy opaque black enamel as mirrored pattern Displaying minimal loss Completed by high polish
Category

Vintage 1920s Art Deco Engagement Rings

Materials

Diamond, Gold, 14k Gold, Enamel

Handcraft Coral 14 Karat Gold Diamonds Cocktail Ring
By SCALA GIOIELLI
Located in Marcianise, IT
assembled with black enamel,natural coral and diamonds Ring total weight 33 grams Diamonds weight 0.38
Category

21st Century and Contemporary Italian Artisan Cocktail Rings

Materials

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

Cartier Diamond and Ceramic Trinity Ring
By Cartier
Located in San Francisco, CA
in 18k white gold and black ceramic is set with 100 brilliant-cut diamonds totaling 0.45 carats, E/F
Category

21st Century and Contemporary French Fashion Rings

Materials

Diamond, 18k Gold, Enamel

Pearl and Enamel, 9k Yellow Gold Mourning Ring – Antique Victorian
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique Victorian pearl and enamel, 9 karat yellow gold mourning ring; part
Category

Antique 1870s Unknown Cluster Rings

Materials

Pearl

Victorian Diamond Yellow Gold, Silver Set Gents Ring
Located in Jesmond, Newcastle Upon Tyne
An impressive antique Victorian 0.65 carat diamond and black enamel, 18 karat yellow gold and
Category

Antique Early 19th Century Unknown Early Victorian Signet Rings

Materials

Diamond, 18k Gold, Yellow Gold, Silver

Nouvelle Bague Petali 18 Karat Gold Diamond Pave Ring
By Nouvelle Bague
Located in Southampton, PA
The compelling blend of orange and black enamel, accentuated by the luxurious brilliance of white
Category

21st Century and Contemporary Band Rings

Materials

Diamond, White Gold

Uncut Diamonds Ring
Located in Darnestown, MD
This dramatic ring is made of uncut diamonds, known as polki diamonds, set in silver with black
Category

21st Century and Contemporary Indian Fashion Rings

Materials

Diamond, 14k Gold

Victorian 1875 0.48 CTW Old European Cut Diamond 18 Karat Gold Engagement Ring
Located in Philadelphia, PA
by black enamel - glossy with minimal loss Accented by scroll and foliate motif engraving Inscribed
Category

Antique 1870s Victorian Engagement Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold, Enamel

DAVID WEBB Diamond Emerald Gold and Platinum Leopard Ring
By David Webb
Located in Houston, TX
David Webb 18KT yellow gold, platinum, diamond, black enamel, and emerald Leopard Ring. Signed
Category

American Fashion Rings

Materials

Diamond, Emerald, 18k Gold, Platinum

French 1930s Diamonds 18 Karat Yellow Gold Watch Ring
Located in Poitiers, FR
Ring in 18 karat yellow gold ring, owl hallmark. Magnificent and rare watch ring, it is made of a
Category

Vintage 1930s French Art Deco More Rings

Materials

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

Vintage 14 Karat Gold Jade, Ruby, and Diamond Ring
Located in McLeansville, NC
Circa 1960's, a 14 karat gold jade, ruby, and diamond ring. An oval shape with a bezel set carved
Category

Vintage 1960s Cocktail Rings

Materials

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

Diamond Gypsy Ring
Located in Carmel-by-the-Sea, CA
Lovely classic Gypsy Style ring with an Old European Cut Diamond center weighing 1.87 carats and
Category

Early 20th Century Solitaire Rings

Materials

Diamond, 18k Gold

Vintage Fine French Diamond Onyx 18 Karat Gold Ring
Located in Philadelphia, PA
shoulders Inner shank features black enamel Maker's mark and French assay marks for 18 karat gold Ring
Category

20th Century French Modernist Fashion Rings

Materials

Diamond, Onyx, 18k Gold, Yellow Gold

Art Deco Ring Platinum Diamond Black Onyx Estate Jewelry
Located in Beverly Hills, CA
A gorgeous Art Deco ring made of platinum, featuring diamond and black onyx. Designed in a classic
Category

Vintage 1920s Unknown Art Deco Cocktail Rings

Materials

White Diamond, Onyx, Platinum

Cartier Le Baiser Du Dragon Diamond Set Ring
By Cartier
Located in Mayfair, London, London
abstract design alternates with polished, black enamel and round brilliant cut diamond set links. There are
Category

21st Century and Contemporary Band Rings

Materials

Diamond, 18k Gold, White Gold, Enamel

David Webb Amazing Rock Crystal Quartz Onyx Diamond Gold Ring
By David Webb
Located in Scottsdale, AZ
rectangular enamel inlay. 8 round brilliant diamonds set in 18K Yellow Gold are inside the black enamel
Category

Vintage 1970s Cocktail Rings

Materials

Rock Crystal, White Diamond, 18k Gold, White Gold, Yellow Gold

Nouvelle Bague 18 Karat White and Rose Gold Diamond Pave Ring
By Nouvelle Bague
Located in Southampton, PA
black enamel create a stunningly fashionable effect in this gorgeous jewelry piece that is also
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Gold

14K Gold and White Diamond Lucky 7 s Mens Ring
Located in Scottsdale, AZ
features three encrusted Lucky 7's made of .90 Carats of White Diamonds. Black enameled shadow box frame
Category

Vintage 1980s American More Rings

Materials

White Diamond, 14k Gold

Set in 18 Karat Gold, Art Deco Style, Carved Tourmaline and Enamel Cocktail Ring
Located in Hong Kong, HK
. The weight of the tourmaline is carats. The black is enamel with diamonds. The ring is made in Indian
Category

2010s Hong Kong Art Deco Cocktail Rings

Materials

Tourmaline, 18k Gold

Estate Boulder Opal Ring with Diamonds in 18k Yellow Gold
Located in La Jolla, CA
Yellow Gold and Black Enamel. Total boulder opal weight is 4.93 carats. Total diamond weight is .31
Category

21st Century and Contemporary North American Cocktail Rings

Materials

Diamond, Opal, 18k Gold, Yellow Gold

18k White Gold 1.76ct Diamond 15-16 mm Tahitian Pearl Leopard Ring
Located in New York, NY
design. The ring is adorned with dazzling pavé-set diamonds that shimmer like a constellation. The
Category

21st Century and Contemporary Japanese Cocktail Rings

Materials

Diamond, Black Pearl, White Gold

Oval Peridot Diamond Cocktail Ring in 18 Karat Yellow Gold
Located in Hong Kong, HK
setting, surrounded by a diamond halo weights 0.38 carat. The diamond halo is outlined by black enamel. It
Category

2010s Hong Kong Contemporary Cluster Rings

Materials

Diamond, Peridot, 18k Gold, Yellow Gold

Handcraft Barrels Coral 18 Karat White Gold Diamonds Cocktail Ring
By SCALA GIOIELLI
Located in Marcianise, IT
natural barrels coral,black enamel and diamonds. Diamonds weight 0.61 karat Ring total weight 26 grams
Category

21st Century and Contemporary Italian Artisan Cocktail Rings

Materials

Coral, Diamond, 18k Gold, White Gold

David Yurman Stax Five Row 18K Yellow Gold Diamond Ring Band
By David Yurman
Located in London, GB
David Yurman Stax Ring with Black Spinel, Black Enamel and Diamonds in 18k Gold, Ring Non-Gem
Category

21st Century and Contemporary Virgin Islands Modern Cocktail Rings

Materials

Diamond, Onyx, 18k Gold, Yellow Gold

David Webb Platinum 18K Yellow Gold Cute Diamond Leopard Ring
By David Webb
Located in New York, NY
Designed as a sweet little Leopard facing sideways, decorated with black enamel spots and circular
Category

20th Century American Modern Fashion Rings

Materials

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

Antique Mid-19th Century Step Cut Emerald and Rose Cut Diamond Enamelled Cluster
Located in London, GB
gold with black enamel. In the centre rests a vibrant 0.44ct step cut emerald in an open-backed rubover
Category

Antique Mid-19th Century French Early Victorian Cluster Rings

Materials

Diamond, Emerald, Enamel

Antique Victorian 0.55 Carat Cushion Diamond Ring 18 Karat Yellow Gold
Located in Torrance, CA
Victorian era cushion diamond ring (circa 1880s to 1900s) crafted in 18 karat yellow gold. Center
Category

Antique Late 19th Century Unknown Victorian Solitaire Rings

Materials

Diamond, 18k Gold, Yellow Gold

Marina B Yellow Gold Ring with Tourmaline Citrine and Diamond 1980s
By Marina B
Located in Beverly Hills, CA
black enamel and encrusted with round brilliant cut diamonds (G color, VS1 clarity, total weight
Category

Vintage 1980s Italian Cocktail Rings

Materials

Citrine, Diamond, Tourmaline, 18k Gold, Yellow Gold

David Webb 18 Karat Yellow Gold Diamond and Emerald Tiger Ring
By David Webb
Located in Tustin, CA
ring features an 18k yellow gold & black enamel Tiger motif set with an estimated 1.80ctw F-G/VS round
Category

21st Century and Contemporary American Contemporary Fashion Rings

Materials

White Diamond, Emerald, 18k Gold, Yellow Gold

Gold ring from early 20th century with natural sapphire and diamonds.
Located in Chorzów, PL
elements of black enamel on the rail. Unique oval shape of the ring from the beginning of the 20th century
Category

Early 20th Century European Edwardian Cocktail Rings

Materials

Diamond, Sapphire, Gold, 18k Gold

Angelskin Coral and Diamond Ring
Located in New York, NY
An oval angelskin coral and black enamel ring with diamond accents, in 18k.
Category

Vintage 1960s Cocktail Rings

Materials

Coral, Diamond, 18k Gold

14K Gold Australian Opal and Diamond RIng
Located in New Orleans, LA
Beautiful, large Australian opal surrounded by diamonds and set off with black enamel, this ring is
Category

20th Century Cluster Rings

United States Marines Sergeant Major Ring, 10k Gold Military Diamonds .28 Carat
Located in Greensboro, NC
Corps with this handsome ring. Crafted in 10k yellow gold, this piece showcases a red enameled rendering
Category

20th Century American Signet Rings

Materials

Diamond, 10k Gold, Yellow Gold

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Gold Black Enamel Diamond Ring For Sale on 1stDibs

Surely you’ll find the exact gold black enamel diamond ring you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of Gold, 18k Gold and Enamel, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. You’re likely to find the perfect gold black enamel diamond ring 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. As it relates to this specific piece, our collection includes designs that are universally popular, but .5 Carat and 1 Carat carat weights, specifically, are sought with frequency. A gold black enamel diamond ring from David Webb, Exquisite Color Kraft Pvt Ltd and Mousson Atelier — each of whom created a beautiful version of this treasured accessory — is worth considering. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes cabochon and rose cut alternatives. Finding a gold black enamel diamond ring for sale for women should be easy, but there are 52 pieces available to browse for unisex as well as men, too.

How Much is a Gold Black Enamel Diamond Ring?

Prices for a gold black enamel diamond ring can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1 and can go as high as $319,341, while this accessory, on average, fetches $3,925.

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.