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Ileana Makri Black Enamel and Baguette White Diamond Piano Cocktail Ring
By Ileana Makri
Located in Athens, GR
18k yellow gold Piano ring finished with Black enamel and set with baguette diamond "keys" with
Category

Early 2000s Greek Cocktail Rings

Materials

White Diamond, 18k Gold

Roberto Coin 18 Karat Diamond and Enamel Scorpion Ring
By Roberto Coin
Located in Bradford, Ontario
collection and rendered in 18k gold with black enameling and diamonds on its head and claws to give it
Category

21st Century and Contemporary Italian More Rings

Materials

Diamond, 18k Gold, Enamel

Enamel Gold Indian Head Ring
Located in New York, NY
enamel feather head dress. Black enamel detailing. Surrounding the head is a cut-out pattern; set on a
Category

Vintage 1920s American More Rings

Materials

18k Gold

0.05 Carat Princess Cut Diamond Ring G/IF 14k Gold, Blue/Grey/White Enamel
Located in Darmstadt, DE
0.05 Carat Diamond Ring G/IF 14k White Gold, Blue/Grey/White Enamel Solitaire Princess Cut
Category

2010s German Modern Cocktail Rings

Materials

Diamond, Gold, 14k Gold, Enamel

Roberto Coin 18 Karat Yellow Gold Diamond and Enamel Zebra Ring
By Roberto Coin
Located in Nashua, NH
Roberto Coin 18K Yellow Gold Diamond and Enamel Zebra Ring. The ring is designed with black enamel
Category

21st Century and Contemporary Italian Band Rings

Materials

Onyx, Diamond, 18k Gold

14k White Gold 1.10ct Four Peaks Amethyst, Diamond and Enamel Ring
Located in Scottsdale, AZ
black enamel. The ring measures 10mm wide, and it weighs 7.4 grams. The ring is size 7.
Category

21st Century and Contemporary Unknown Modern Fashion Rings

Materials

Amethyst, Diamond, 14k Gold, White Gold

Architectural Shape Square Enamel Fashion Diamond Ring sz 7
By Isabel Alexander
Located in Reston, VA
the Moldovan folk garments. The black enamel evokes an Art Deco vintage feel and the diamonds breath
Category

21st Century and Contemporary North American Art Deco Cocktail Rings

Materials

Diamond, 14k Gold, Enamel

18 Karat Gold Diamond and Peach Enamel Hoop Earrings
By Sarah Ho
Located in London, GB
A Pair of Diamond and Enamel Gold Earrings in the Candy Collection by Jewelry Designer, Sarah Ho
Category

21st Century and Contemporary Italian Contemporary Fashion Rings

Materials

Diamond, Gold, 18k Gold, Enamel

18 Karat White Gold Black Enamel with Diamond and Pink Tourmaline Fashion Ring
Located in Bangkok, TH
Pink Tourmaline 5.89 ct Diamond 32 pcs 0.32ct Size6.5
Category

21st Century and Contemporary Thai Contemporary Fashion Rings

Antique 14 Karat Gold Edwardian Era Rosecut Diamond Enamel Cigar Band Ring
Located in Crownsville, MD
. Total of 12 sparkling rosecut diamonds with deep forest green enamel work. Marked as 14K gold. In very
Category

Antique Early 1900s American Edwardian Band Rings

Materials

Diamond, 14k Gold

2.72 Padparasha Sapphire in Black Enamel with Gold, Rubies and Diamonds
Located in Miami Beach, FL
remade brooch, now a favorite ring of many. Solid manufacture. Unique combination of colors.
Category

2010s Cocktail Rings

Materials

Diamond, Sapphire

0.21 Carat Diamond Ring G/SI1 18k White Gold, Blue / Yellow Enamel, 6 Brillants
Located in Darmstadt, DE
0.21 Carat Diamond Ring G/SI1 18k White Gold, Blue / Yellow Enamel, 6 Brillants 0.21 Carat Diamond
Category

2010s German Modern Cocktail Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Cabouchon Ruby and Black Diamond Ladybug Cocktail Ring
By Gorgoglione
Located in Milano, IT
Carats of Black Diamonds. 0.06 Carat White Diamond lights up the Green-Enameled leaf. The green color of
Category

2010s Italian Contemporary Cocktail Rings

Materials

Diamond, Black Diamond, Ruby, 18k Gold

Cabouchon Ruby and Black Diamond Ladybug Cocktail Ring
By Gorgoglione
Located in Milano, IT
Carats of Black Diamonds. 0.06 Carat White Diamond lights up the Green-Enameled leaf. The green color of
Category

2010s Italian Contemporary Cocktail Rings

Materials

Black Diamond, Ruby, Diamond, 18k Gold

DAVID WEBB Diamond and Enamel Dome Ring
By David Webb
Located in Southampton, NY
An 18 karat yellow gold ring set with diamonds in platinum bands across the black enamel dome. Size
Category

American Dome Rings

MAIKO NAGAYAMA 4.93 Carat Tourmaline and Black Diamond 18K Gold Cocktail Ring
By Maiko Nagayama
Located in London, Mayfair
This modern handmade British-London Hallmarked 18 karat yellow gold ring, set with black diamonds
Category

2010s British Contemporary Fashion Rings

Materials

Black Diamond, Tourmaline, 18k Gold, Yellow Gold

Andreoli 46.25 Carat L.F.G Certified Santa Maria Aquamarine Diamond Enamel Ring
By Andreoli
Located in Beziers, FR
"Santa Maria", circled by black enamel with diamonds and diamonds ribbon. Signed by Andreoli Aquamarine
Category

21st Century and Contemporary Italian Cocktail Rings

Materials

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

Victorian Pearl Diamond Gold Cluster Ring
Located in New York, NY
The perfect cluster 18K yellow gold and black enamel ring. 6 pearls surround a center rose cut
Category

Antique 1860s English Victorian Cluster Rings

Materials

Diamond, Pearl, 18k Gold

18 Karat Diamond and Enamel Men s Band
By QUADAMAS
Located in Pikesville, MD
band features artfully cut white diamonds that are arranged in a geometric pattern with black enamel
Category

1990s American Band Rings

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

Owl Silver 925 Black Diamond 0.20 Carat Band Ring
By Knauf Jewels
Located in Wiesbaden, DE
, goldsmiths and enamellers. The high-quality and carefully selected materials include gold and platinum
Category

2010s German Contemporary Band Rings

Materials

Black Diamond, Onyx, Silver

0.59 Ct Diamonds 18kt Rose Gold Engagement Ring
Located in Bosco Marengo, IT
diamonds. Particular black enamel decoration. Total weight: 6.29 grams Metal: rose gold 18Kt New
Category

21st Century and Contemporary Italian Engagement Rings

Materials

Diamond, Rose Gold

Victorian Era Pearl Diamond 18 Karat Gold Ring
Located in Los Angeles, CA
A Victorian era ring in 18k yellow gold with patterned black enamel. The ring features a pearl as
Category

Antique Late 19th Century Unknown Victorian Cluster Rings

Materials

Diamond, Pearl, 18k Gold

14K Yellow Gold Two Band Diamond Ring sz 5
By Isabel Alexander
Located in Reston, VA
Unique ring made of solid 14K yellow gold adorned with a black enamel square and diamonds. The ring
Category

2010s Cocktail Rings

Materials

Diamond, Yellow Gold

Georgian Old Mine Cut Diamond Mourning Ring
Located in Austin, TX
Georgian enamel and old mine cut diamond mourning ring with black and white urn detail on shank
Category

Antique Early 19th Century English Georgian More Rings

Materials

Diamond, Enamel, Gold

Ocean Dive Gold Ring with Coloured Gemstones and Diamonds
By Katerina Marmagioli
Located in Nea Aghialos Magnesias, GR
, One amethyst, One tourmaline, Three Diamonds, Black enamel Like a work of fine art, this ring
Category

2010s European Artist Cocktail Rings

Materials

Amethyst, Diamond, Iolite, Tourmaline, Blue Topaz, Gold

Dial-up Diamond Ring
Located in Dubai, DU
, mother of pearl and black enamel. - Diamonds count: 14 stones - Total diamonds weight: 0.30 ct - Mother
Category

2010s Cocktail Rings

Materials

Diamond, Moonstone, 18k Gold

.51 Carat GIA Marquise Diamond Engagement Ring Halo Art Deco Style, 18Kt Gold
By Andrew Glassford
Located in Dallas, TX
Exquisite Art Deco inspired ring, set in 18 Karat Yellow Gold with a .51 Carat GIA Marquise Diamond
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, Gold

White Diamond Brilliant Cut Pavè "Van Gogh" Flower Cocktail Ring in White Gold
Located in Valenza, IT
, diamond-pavé flower design. A black enamel flower painting adds a modern touch to the small piece of art
Category

2010s Italian Cocktail Rings

Materials

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

Victorian 18ct Gold Rose Cut Diamond Forget Me Not Mourning Ring, Circa 1869
Located in Lancashire, Oldham
A very pretty Victorian 18ct yellow gold, rose cut diamond and black enamel mourning ring dating
Category

Antique 1860s English High Victorian Fashion Rings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Venyx 18 Karat Gold Diamond Sapphire Colored Stone Rainbow Tiger Ray Ring
By Venyx World
Located in London, GB
delivery time of 4-6 weeks) 18k Yellow Gold approx. 9.88gr, Black Rhodium, 18 Diamonds 0.06ct, 1 Pink
Category

21st Century and Contemporary Italian Contemporary Cocktail Rings

Materials

Agate, Amethyst, Diamond, Ruby, Sapphire, Tsavorite, 18k Gold

Angie Marei Isis Goddess South Sea Pearl Diamond Ring in 18K Yellow Gold
By Angie Marei
Located in Brooklyn, NY
Color, VS+ Clarity, Approximately 0.65-Carat Total Weight • Black Enamel • Ring Size 6 US • Custom sizes
Category

2010s American Contemporary Cocktail Rings

Materials

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

2.25ct Victorian Diamond Solitaire Engagement Ring
Located in New York, NY
Victorian solitaire engagement ring centering an Old European cut diamond weighing app. 2.25ct. (J
Category

Antique 1870s Unknown Victorian Engagement Rings

Materials

Diamond, 18k Gold

Very Early Victorian Diamond Engagement Ring, 1840s
Located in Antwerp, BE
Antique jewelry object group: ring Condition: very good condition Ring size Continental: 58 & 18
Category

Antique 1840s Unknown Early Victorian Engagement Rings

Materials

Diamond, White Diamond, Gold, 18k Gold, Rose Gold, Silver

Fashion Ring, Natural Certified Sphalerite 10.60 Carat White Gold, Diamonds Pavè
Located in Milan, IT
sinuous wings of white gold, enhanced by brilliant cut diamonds (ct. 0,82) and black enamel Ring size: EU
Category

21st Century and Contemporary Italian Contemporary Fashion Rings

Materials

18k Gold

Vintage Emerald and Diamond Cluster Cocktail Ring
Located in Sydney CBD, AU
Vintage Emerald and Diamond cluster Cocktail ring with Enamel detail and 12 Diamonds. Great ring
Category

Late 20th Century Cocktail Rings

Materials

Diamond, Emerald, 14k Gold

Wonderstar Ring (14/54)
By SPALLANZANI
Located in Milan, IT
Wonderstar ring (14/54), made in 18Kt yellow gold, set with 0,7 carats of white diamonds and black
Category

2010s Italian Fashion Rings

Materials

White Diamond, 18k Gold, Enamel

Victorian Old Cut Diamond and Pearl Equine Ring
Located in Essex, GB
featuring black enamel crosshatch detailing on the handle. Cut – Old mine cut diamonds. Colour – The
Category

Early 20th Century British Solitaire Rings

Materials

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

Natural Pacific Pearl with Diamonds Ring
By Sarah Ho
Located in London, GB
A Natural Pacific Pearl Ring with Rose Cut Diamonds set with PVD coated Gold as part of the
Category

21st Century and Contemporary Italian Contemporary Cocktail Rings

Materials

Diamond, Pearl, Natural Pearl, 18k Gold, PVD-Coated

Stephen Webster Dynamite Couture Emerald and White Diamond Cocktail Ring
By Stephen Webster
Located in London, GB
(3.30cts) and black enamel set in 18ct white gold. Each Dynamite Couture Enamel Cocktail Ring is a one-of
Category

2010s British Contemporary Cocktail Rings

Materials

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

Antique Mourning / Georgian Gold Sheaf of Wheat Ring
Located in Houston, TX
Antique Georgian 14k gold sheaf of wheat hair work under crystal black enamel banding. It's a
Category

Antique 18th Century British Georgian More Rings

Materials

Diamond, 14k Gold

Architectural Shape Square Station Diamond Ring sz 7
By Isabel Alexander
Located in Reston, VA
the Moldovan folk garments. The black enamel evokes an Art Deco vintage feel and the diamonds breath
Category

21st Century and Contemporary North American Art Deco Fashion Rings

Materials

Diamond, 14k Gold

Stephen Webster Vertigo Losing Perspective 18 Carat Gold and Spinel Pinky Ring
By Stephen Webster
Located in London, GB
illusion of depth and dimension. The ring features an emerald-cut black spinel and black enamel set in 18ct
Category

2010s British Contemporary Signet Rings

Materials

Spinel, Gold, 18k Gold, Yellow Gold, Enamel

White Diamonds Pavè and Green Tsavorites Fashion Tiger Ring
Located in Valenza, IT
This tiger-shaped 18kt white gold ring features 342 white diamonds for a total of 1.90ct. Tigers
Category

2010s Italian Artisan Fashion Rings

Materials

White Diamond, Tsavorite, 18k Gold, White Gold

Lapis Diamond Rose and White Gold Cocktail Riing
Located in Aliso Viejo, CA
diamonds set in white gold and accented by a black enamel layered design. The top section of the ring is
Category

2010s American Modern Cocktail Rings

Materials

Diamond, White Diamond, Lapis Lazuli, 18k Gold, Rose Gold, White Gold

MAIKO NAGAYAMA 20 Carat Natural Garnet with Diamond Contemporary Cocktail Ring
By Maiko Nagayama
Located in London, Mayfair
of diamonds and 20 carat of rare vivid red color natural garnet and black enamel is from MAIKO
Category

2010s British Contemporary Engagement Rings

Materials

Diamond, Blue Diamond, Garnet, Turquoise, 18k Gold, Yellow Gold

Spectacular Victorian Era Cluster Engagement Ring with Old Mine Cut Diamonds
Located in Los Angeles, CA
black enamel which add an unusual yet elegant touch to the top of the ring and to each shoulder. The
Category

Antique 1880s Unknown Victorian Engagement Rings

Materials

Diamond, Yellow Gold

Modern Faberge Men s Diamond Ring F2325SW
By Fabergé
Located in Wilmington, DE
Faberge Men's Diamond Ring. 18k Yellow Gold Diamond 0.05cts Black Enamel Size 10 F2325SW
Category

2010s Signet Rings

22.40 Carat Mozambique Ruby Drop and 3.08 Carat Diamond Baguette Cocktail Ring
Located in Mumbai, HM
This eye-catching Ruby and Diamond ring by ARAYA is designed with meticulously crafted black enamel
Category

2010s Indian Modern Fashion Rings

Materials

Diamond, Ruby, 18k Gold

Renaissance Gold Marriage Ring with Table-Cut Rock Crystal
Located in Chicago, IL
black enamel Weight 4.09 g; circumference: 54.82 mm.; US size US 7 1/4; UK size 0 1/2 The gold hoop
Category

Antique 16th Century European Renaissance Solitaire Rings

Materials

Rock Crystal, Gold

BAMBOO II Ring
By Penelope Fine Jewelry
Located in Nicosia, CY
18K Yellow Gold 0.15ct brilliant-cut Champagne Diamonds Black Enamel lining
Category

2010s Greek Contemporary Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

BAMBOO III Ring
By Penelope Fine Jewelry
Located in Nicosia, CY
18K Yellow Gold 0.40ct brilliant-cut Champagne Diamonds Black Enamel lining
Category

2010s Greek Contemporary Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

Stephen Webster Vertigo Losing Perspective 18 Carat Gold and Spinel Signet Ring
By Stephen Webster
Located in London, GB
illusion of depth and dimension. The ring features an emerald-cut black Spinel and black enamel set in 18ct
Category

2010s British Contemporary Signet Rings

Materials

Spinel, Gold, 18k Gold, Yellow Gold

Art Deco Inspired Emerald Ring
Located in Dubai, AE
's "vintage charm" is recreated with an intricate black enamel inlay interlocked with brilliant-cut round
Category

21st Century and Contemporary Emirian Art Deco Cocktail Rings

Materials

Diamond, Emerald, 18k Gold

Modern Faberge Woman s Ring F2422N4
By Fabergé
Located in Wilmington, DE
Faberge Woman's Ring. 18k Yellow Gold Red and Black Enamel Diamonds 0.045cts Size 7 F2422N4
Category

2010s Cocktail Rings

Black Enamel Rose-Cut Center Diamond Earrings
Located in Los Angeles, CA
18K Rose Gold Earrings inlay-ed with black French enameling and has pave-set Diamonds 0.66cts
Category

2010s American Artisan More Earrings

Materials

Diamond, 18k Gold, Enamel

Mourning Ring
Located in New York, NY
death of individuals and are imbued symbolism. In the eighteenth century black enamel was generally
Category

English Three-Stone Rings

18 Karat White Gold, White Diamond, Onyx and Black Enamel Scarab Necklace
By BARE Fine Jewelry
Located in Antwerp, BE
beauty of Ancient Egypt. This ring is handmade using 18kt White Gold, White Diamonds, a carved natural
Category

21st Century and Contemporary Belgian Egyptian Revival Pendant Necklaces

Materials

White Diamond, Onyx, 18k Gold, White Gold, Enamel

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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.