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Black Diamond Rings

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Gemstone: Black Diamond
18k White Marquise Diamond and Black Diamond and Orange Stone Cocktail Ring
Located in New York, NY
Elevate your style with this 18k White Marquise Diamond and Black Diamond and Orange Stone Cocktail Ring. Crafted with 1.14 carats of marquise cut diamonds, 2.90 carats of black diam...
Category

21st Century and Contemporary Black Diamond Rings

Materials

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

ROPES 14k White Gold Ring with 0.40ct Black Diamonds
Located in New York, NY
Three bold-looking rings, pave set with 0.40ct brilliant cut round white diamonds, connected by the signature exclusive Rockford screws with rope designs flowing in between the bands...
Category

2010s American Contemporary Black Diamond Rings

Materials

Black Diamond, Diamond, White Gold, 14k Gold

Leon Mege wedding band with natural black diamonds set upside-down
Located in New York, NY
The cool futuristic band designed for visionaries who detest ordinary can be mistaken for an alien spaceship spare part at first. The 18K black gold band...
Category

2010s American Contemporary Black Diamond Rings

Materials

Black Diamond, 18k Gold

Elegant 14K Diamond Cocktail Ring 4.03ctw - Size 7 - Exquisite Luxury Design
Located in Holtsville, NY
Evoke the raw power and energy of a volcanic eruption with our Magma Blaze Black Diamond Ring. Crafted with meticulous attention to detail, this exquisite piece is a testament to the...
Category

2010s Indian Black Diamond Rings

Materials

Black Diamond, 14k Gold, Yellow Gold

18k black gold eternity ring with black and white diamonds
Located in Boostedt, SH
In an ode to the timeless beauty of the rare black diamond, this stunning 3ct ring embodies a classic eternity setting that further accentuates the stone's passionate character. With...
Category

2010s Black Diamond Rings

Materials

White Diamond, Black Diamond, Gold

1.77 Carat Black Diamond Diamond Pave White Gold Ring
Located in Miami, FL
This stunning black diamond ring is hand crafted with 18kt white gold. Further embellished with diamond pave around the black diamond and down the shank, it is sure to captivate from...
Category

2010s American Black Diamond Rings

Materials

Black Diamond, Gold, 18k Gold, White Gold

18k Rose Gold Evil Eye Ring with Blue and White Diamonds
Located in Athens, GR
Evil eye ring set in 18k rose gold with 0.15 carats black diamond, 0.26 carats blue diamonds and 0.05 brilliant cut white diamonds. Ring face:...
Category

2010s Greek Modern Black Diamond Rings

Materials

White Diamond, Blue Diamond, Black Diamond, Rose Gold

Roman Malakov 3.68 Carats Total Round Black Diamond Square Pave Fashion Ring
Located in New York, NY
This fascinating and stylish fashion ring showcases 340 brilliant round cut black diamonds weighing 3.68 carats total, beautifully set in a micro-pave set square design and shared pr...
Category

21st Century and Contemporary Italian Contemporary Black Diamond Rings

Materials

Black Diamond, 18k Gold, White Gold

White Gold Ring with One Brilliant Cut Black Diamond and White Diamonds
Located in AMSTELVEEN, NH
This white gold ring is a stunning and unique piece of jewelry featuring one brilliant cut black diamond and several white diamonds. The white gold is a premium quality metal that is...
Category

21st Century and Contemporary Contemporary Black Diamond Rings

Materials

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

2.34 Carats Black Emerald & Marquise Art Deco Engagement Ring in 14k Rose Gold
Located in רמת גן, IL
Beautiful Black Emerald Diamond Engagement Ring set With Natural Black Diamond in 14K Rose Gold Cluster Ring, Emerald and Marquise Black Diamond...
Category

2010s Israeli Art Deco Black Diamond Rings

Materials

Black Diamond, 14k Gold, Rose Gold

18Kt Rose Gold Grey Diamonds 2.81 ct Black Diamonds 3.74 White Diamonds 0.20 ct
Located in Bergamo, BG
Ring made of 18 kt rose gold paved with natural grey diamonds for ct.2.81 black for ct .3.74 and white for ct .0.20 Welcome to our jewelry collec...
Category

21st Century and Contemporary Italian Black Diamond Rings

Materials

White Diamond, Black Diamond, Rose Gold, 18k Gold

6.33 Ct Black Diamond 14K White Gold Ring
Located in Territet, CH
One polished, stamped, and tested 14K white gold ring with a bright finish. The ring is mounted with 1 genuine fancy black Diamond center stone weighting approximately 6.33 carat, an...
Category

2010s Black Diamond Rings

Materials

Black Diamond, White Gold

18kt White Gold Flower Ring with 3.13ct Brilliant Cut, 3.35ct Black Diamonds
Located in Antwerp, BE
Magnificent 18kt White Gold Flower Ring With 3.13ct Brilliant Cut Diamonds, 3.35ct Black Diamonds Brilliant cut diamonds: together 3.13ct Black diamonds: together 3.35ct Material:...
Category

21st Century and Contemporary Artisan Black Diamond Rings

Materials

White Diamond, Black Diamond, White Gold

Alex Jona Black Diamond and White Diamond 18 Karat Rose Gold Ring
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 karat rose gold ring, set with 0.97 carats of white diamonds and 1.82 carats of black diamonds. Size US 6, can be sized to any...
Category

2010s Italian Black Diamond Rings

Materials

White Diamond, Black Diamond, Diamond, 18k Gold, Rose Gold

Sybarite Cross Ring in Blackened Gold with Black Diamonds
Located in London, GB
Sybarite Jewellery is a London-based luxury brand crafting outstanding pieces, incomparable both in design and in execution. Spearheaded by founder Margarita Prykhodko, a former arch...
Category

2010s Italian Contemporary Black Diamond Rings

Materials

Diamond, Black Diamond, Gold, 18k Gold

2.75 Carat Rose Cut Black and White Diamond Cocktail Ring
Located in Great Neck, NY
This stunning ring showcases a beautiful 2.75 carat Rose Cut Cushion Black Diamond, with a diamond halo set in 18 karat white gold. Total diamond wei...
Category

21st Century and Contemporary Black Diamond Rings

Materials

White Diamond, Black Diamond, 18k Gold

18k White Gold Black and White Diamond Cocktail Ring
Located in New York, NY
This cocktail ring features approximately 0.50 carats of black and white diamonds set in 18K white gold.
Category

21st Century and Contemporary American Black Diamond Rings

Materials

White Diamond, Black Diamond, White Gold

18kt White Gold Ring With 4ct Black and 4ct White Diamonds
Located in Antwerp, BE
18kt White Gold Ring With 4ct Black and 4ct White Diamonds Diamonds: white brilliant cut diamonds, together ca. 3.6 ct, black diamonds ca. 3.8 ct Material: 18k...
Category

21st Century and Contemporary Italian Artisan Black Diamond Rings

Materials

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

Black Diamond Crest Signet Skull Ring Gold Memento Mori Style J Dauphin
Located in Los Angeles, CA
6 pcs Black Diamond Crest Signet Skull Ring 14k Yellow Gold Memento Mori Style J Dauphin Hand made in Los Angeles Made to order in Us size 4-12 Inspire...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, Gold, 14k Gold, Yellow Gold

0.68 Carat Round Side Band Diamond Solitaire 18 Karat Rose Gold Engagement Ring
Located in London, GB
For a beautifully entwined journey together, this gleaming twisted vine modern classic engagement ring. Handmade in 18 Karat Rose Gold, with a total of 0.68 Carat White Diamonds. Set...
Category

2010s British Modern Black Diamond Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Tanzanite...

1.20 Carat Platinum Engagement Round Diamond Solitaire Twist Bespoke 4 Claw Ring
Located in London, GB
For a beautifully entwined journey together, this gleaming twisted vine modern classic engagement ring. Handmade in high grade Platinum 950 to British Standard, with a total of 1.20 ...
Category

2010s British Modern Black Diamond Rings

Materials

Blue Diamond, Yellow Diamond, Pink Diamond, Black Diamond, Emerald, Garn...

1.544ct Black and White Diamond Engagement Ring
Located in LEEDERVILLE, WA
Handcrafted in 18ct white gold this black and white diamond engagement ring is an enigmatic natural-colour black diamond. Revered for its uniq...
Category

21st Century and Contemporary Australian Contemporary Black Diamond Rings

Materials

White Diamond, Black Diamond, 18k Gold

Crest Signet Skull Ring Memento Mori Style Gold Black Diamond J Dauphin
Located in Los Angeles, CA
Crest Signet Skull Ring Memento Mori Style 14k Gold 6 Gem Black Diamond J Dauphin Hand made in Los Angeles Made to order in Us size 4-12 Inspired by Memento Mori, medieval Latin C...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, Yellow Gold, Gold, 14k Gold

Crest Signet Skull Ring Memento Mori Style Gold Black Diamond J Dauphin
Located in Los Angeles, CA
Crest Signet Skull Ring Memento Mori Style Gold 6 Gem Black Diamond J Dauphin Hand made in Los Angeles Made to order in Us size 4-12 Inspired by Memento Mori, medieval Latin Chris...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, Gold, 14k Gold

4.92 Carat Rose Cut Black and White Diamond Cocktail Ring
Located in Great Neck, NY
This stunning cocktail ring features a beautiful 4.92 Carat Pear Shape Rose Cut Black Diamond with a Diamond Halo. This Ring is set in 18k Rose Gold. Total Diamond Weight (not includ...
Category

21st Century and Contemporary Black Diamond Rings

Materials

Black Diamond, 18k Gold, Rose Gold

18k Rose and White Gold, Black Diamonds, Pink Tourmaline
Located in Bangkok, TH
Rose and White Gold with Black Rhodium, Black Diamonds 0.43 cts, Pink Tourmaline 3.63 cts The piece is a unique creation engraved with Alessio Boschi's...
Category

21st Century and Contemporary Black Diamond Rings

Materials

Diamond, Black Diamond, Tourmaline, 18k Gold, Rose Gold, White Gold

Black Diamond Skull Crest Signet Ring Gold Vermeil Victorian Style J Dauphin
Located in Los Angeles, CA
Crest Signet Ring Gold Vermeil Black Diamond Skull Victorian Style J Dauphin J DAUPHIN signature piece " Secret Doors" Hand made in Los Angeles I...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, 10k Gold, Yellow Gold, Vermeil

Crest Signet Ring Black Diamond Skull Victorian Style Bronze J Dauphin
Located in Los Angeles, CA
Crest Signet Ring Black Diamond Skull Victorian Style Bronze J Dauphin J DAUPHIN signature piece " Secret Doors" Hand made in Los Angeles Inspir...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, Bronze

Crest Signet Ring Gold Vermeil Black Diamond Skull Victorian Style J Dauphin
Located in Los Angeles, CA
Crest Signet Ring Gold Vermeil Black Diamond Skull Victorian Style J Dauphin J DAUPHIN signature piece " Secret Doors" Hand made in Los Angeles I...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, 10k Gold, Yellow Gold, Vermeil

Emerald Black Diamond Crest Signet Skull Ring Sterling Silver Memento Mori
Located in Los Angeles, CA
Emerald Black Diamond Crest Signet Skull Ring Sterling Silver Memento Mori Style By J Dauphin J DAUPHIN signature piece " Secret Doors" with 3 Emeralds and 3 Black Diamond Hand ma...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, Emerald, Silver, Sterling Silver

Black Diamond Crest Signet Skull Ring Memento Mori Style Silver
Located in Los Angeles, CA
Black Diamond Crest Signet Skull Ring Memento Mori Style Silver J Dauphin J DAUPHIN signature piece " Secret Doors" Hand made in Los Angeles Made to o...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, Silver

White Diamond Black Diamond Crest Signet Skull Ring Gold Vermeil J Dauphin
Located in Los Angeles, CA
3 White Diamond 3 Black Diamond Crest Signet Skull Ring Memento Mori Style Gold Vermeil J Dauphin Hand made in Los Angeles Made to order in Us size 4-12 Inspired by Memento Mori, ...
Category

2010s American Victorian Black Diamond Rings

Materials

White Diamond, Black Diamond, Vermeil

Black Diamond Crest Signet Ring Gold Vermeil Victorian Style Skull J Dauphin
Located in Los Angeles, CA
Crest Signet Ring Gold Vermeil Black Diamond Skull Victorian Style J Dauphin J DAUPHIN signature piece " Secret Doors" Hand made in Los Angeles Inspired by Memento Mori, medieval L...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, 10k Gold, Yellow Gold, Vermeil

Crest Signet Skull Ring Memento Mori Style Silver Emerald Black Diamond
Located in Los Angeles, CA
Crest Signet Skull Ring Memento Mori Style Silver Emerald Black Diamond J Dauphin J DAUPHIN signature piece " Secret Doors" with 3 Emeralds and 3 Black Diamond Hand made in Los Ang...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, Emerald, Silver

White Diamond Black Diamond Crest Signet Ring Skull Sterling Silver J Dauphin
Located in Los Angeles, CA
White Diamond Black Diamond Crest Signet Ring Skull Sterling Silver J Dauphin J DAUPHIN signature piece " Secret Doors" Hand made in Los Angeles Made to order in Us size 3-12 Insp...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, White Diamond, Silver

White Diamond Black Diamond Crest Signet Skull Ring J Dauphin
Located in Los Angeles, CA
3 White Diamond 3 Black Diamond Crest Signet Skull Ring Memento Mori Style Bronze J Dauphin Hand made in Los Angeles Made to order in Us size 4-12 Inspired by Memento Mori, mediev...
Category

2010s American Victorian Black Diamond Rings

Materials

White Diamond, Black Diamond, Bronze

Crest Signet Skull Ring Black Diamond Victorian Style Bronze J Dauphin
Located in Los Angeles, CA
Crest Signet Skull Ring Black Diamond Victorian Style Bronze J Dauphin Hand made in Los Angeles Made to order in Us size 4-12 Inspired by Memento Mori, medieval Latin Christian the...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, Bronze

Crest Signet Ring Black Diamond Skull Bronze Victorian Style J Dauphin
Located in Los Angeles, CA
Crest Signet Ring Black Diamond Skull Bronze Victorian Style J Dauphin J DAUPHIN signature piece " Secret Doors" Hand made in Los Angeles Inspire...
Category

2010s American Victorian Black Diamond Rings

Materials

Black Diamond, Bronze

Exquisite Black Diamond Halo Ring 0.88 Carat in 18K Black Gold Round Cut
Located in Darmstadt, DE
Exquisite Black Diamond Halo Ring 0.88 Carat in 18K Black Gold Round Cut Black is Beautiful. Black is Powerful. We are very excited to introduce our brand new BLACK STARS collection...
Category

2010s German Modern Black Diamond Rings

Materials

Black Diamond, Gold, 18k Gold

3.00 Carat Black Diamond White Diamond Yellow Gold Band
By DGI
Located in Los Angeles, CA
This Black and White Diamond Band is stunning and versatile! Can be worn as a wedding or engagment band or as a gorgeous cocktail ring or an everyday stunner! There are 90 Black Ro...
Category

2010s American Contemporary Black Diamond Rings

Materials

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

Rose Quartz Black Diamonds and Emerald in 14kt Yellow Gold Cocktail Ring
Located in Hong Kong, HK
Unveiling an enchanting fusion of elegance and allure: a captivating ring designed around a breathtakingly large oval rose quartz weighing 21.48 carats. The sheer size and delicate h...
Category

21st Century and Contemporary Hong Kong Contemporary Black Diamond Rings

Materials

Black Diamond, Emerald, Quartz, 14k Gold, Yellow Gold

3.01 Carat Black and White Diamond Double Halo 14 Karat White Gold Bridal Ring
By DGI
Located in Los Angeles, CA
Stunning Pear Cut Black and White Diamond Bridal Ring Description as follows: Pear Cut Dia weighs 2.32 carats 43 Round Cut Diamonds weigh 0.69 carats (Clarity: SI, Color: F) 14 Kar...
Category

21st Century and Contemporary American Contemporary Black Diamond Rings

Materials

White Diamond, Black Diamond, 14k Gold, White Gold

Loree Rodkin 7.31 Carat Diamond Cigar Ring
Located in Beverly Hills, CA
Loree Rodkin 7.31 carat diamond cross cigar ring. The center diamond weighs 0.31 carats and is rose cut. The additional 16 white diamonds weigh an estimated 1 carat total weight. The...
Category

2010s American Contemporary Black Diamond Rings

Materials

Diamond, White Diamond, Black Diamond, 18k Gold, White Gold, Rhodium, St...

Green Stones, Black Diamonds, Rose Gold and Silver Cat Ring
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). PS: THIS POLICY IS NOT APPLICABLE ...
Category

2010s Italian Retro Black Diamond Rings

Materials

Black Diamond, 9k Gold, Rose Gold, Silver

14 Karat Gold Black Onyx and Pink Opal Round Beads Rubies Black Diamonds Ring
Located in Bangkok, TH
Unique and elegant Art Deco Style ring composed of a flat oval ring in solid 14 Kt yellow gold with 3 round black onyx beads with small faceted rubies set on one side and 3 pink opal beads...
Category

2010s Thai Art Deco Black Diamond Rings

Materials

Black Diamond, Onyx, Opal, Ruby, 14k Gold, Yellow Gold

Sterling Silver "Frog" Ring with a Black Diamond Eyes
Located in Los Angeles, CA
Sterling Silver "Frog" ring with a black diamond eyes, containing 2 round black diamonds weighing .07pts. ring size is 7 and can be size to fit for free.
Category

2010s American Artisan Black Diamond Rings

Materials

Black Diamond, Sterling Silver

Georgios Collections 18 Karat Yellow Gold Diamond Greek Key Design Wide Ring
Located in Astoria, NY
S. Georgios designer 18 Karat Yellow Gold Hand Made Diamond Ring with the Greek Key design that symbolizes eternity - the symbol of long life. The Ring is decorated with White Brilli...
Category

21st Century and Contemporary Greek Classical Greek Black Diamond Rings

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire, Green Sapphire, Purple Sa...

White Gold Black Diamond Crossover Band Ring
Located in Coral Gables, FL
14 Karat White Gold Wide Ring Featuring Crossover X Design. 42 Black Diamonds Total Approximately 0.65 Carat, and 48 Round Diamonds Of I1 Clarity & H Color Total Approximately 0.50 C...
Category

21st Century and Contemporary Black Diamond Rings

Materials

Black Diamond, 14k Gold, White Gold

Black Diamond Ring Moon Star Heart
Located in Los Angeles, CA
Black Diamond Cocktail Ring Moon Star Heart Bronze J Dauphin J DAUPHIN "King of Kings" Made in bronze Inspiration: This piece called King of Kings symboliz...
Category

2010s American Contemporary Black Diamond Rings

Materials

Black Diamond, Bronze

Sistema Ring (0.4 CT, Polished Black Diamond Slab, 17mm, DA+KA+PBLKDIA)
Located in Paris, FR
Ring in acid treated sterling silver, oxidized sterling silver, and a slab of polished black diamond. This item is made with a naturally occurring element and will vary from the phot...
Category

2010s Black Diamond Rings

Materials

Black Diamond, Sterling Silver

2.49 Carat Black White Diamond Double Halo 14 Karat White Gold Engagement Ring
By DGI
Located in Los Angeles, CA
Stunning Cushion Cut Black and White Diamond Engagement Ring Description as follows: Cushion Cut Diamond = 1.86 carats 76 Round Cut Diamonds = 0.63 carats (Clarity: SI, Color: F) 14...
Category

21st Century and Contemporary American Contemporary Black Diamond Rings

Materials

White Diamond, Black Diamond, 14k Gold, White Gold

Black Diamonds Ring Sterling Silver 925 and Black Diamonds Square Cluster Design
Located in Brooklyn, NY
Sterling Silver 925 Ring with Natural Black Diamonds Cluster Design and Groove texture Black Diamonds approx 0.43 carat Weight 5.40 grams Finger Size 6 Design area is approx 14 x 1...
Category

2010s Black Diamond Rings

Materials

Black Diamond, Sterling Silver

Black Diamonds Ring Sterling Silver 925 and Black Diamonds Cluster Design
Located in Brooklyn, NY
Sterling Silver 925 Ring with Natural Black Diamonds Cluster Design and Groove texture Black Diamonds approx 0.53 carat Weight 5.70 grams Finger Size 7 Design area is approx 16 x 1...
Category

2010s Black Diamond Rings

Materials

Black Diamond, Sterling Silver

Band Ring with Black Diamonds and White Diamonds made in 18K Gold
By HYT
Located in Hong Kong, HK
A simple yet elegant ring with black diamonds to add a unique style to your everyday look. Black Diamonds- 0.13 cts White Diamond - 0.09 cts HYT Jewelry is a privately owned compan...
Category

2010s Hong Kong Contemporary Black Diamond Rings

Materials

White Diamond, Black Diamond, 18k Gold

Tsavorite, Black Diamonds and White Diamonds, 18 Karat White Gold Ring.
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY: No additional costs will be added to this order. Shipping costs will be totally covered by the seller (customs duties included). PS: THIS POLICY IS NOT APPLICABLE ...
Category

1970s Italian Retro Vintage Black Diamond Rings

Materials

White Diamond, Black Diamond, Tsavorite, 18k Gold, White Gold

Men's 14K Yellow Gold over Silver 1 1/2 Carat White & Black Diamond Cluster Ring
Located in New York, NY
Embrace the allure of contrast with this remarkable men's cluster ring. Plated in 14K yellow gold, the .925 sterling silver band serves as the canvas for a mesmerizing display of dia...
Category

21st Century and Contemporary Indian Modern Black Diamond Rings

Materials

Black Diamond, White Diamond, Silver, 14k Gold, Sterling Silver, Yellow ...

Men's 10K Yellow Gold 1 1/2 Carat White and Black Treated Diamond Cluster Ring
Located in New York, NY
Indulge in luxury with our stunning Men's Black and White Diamond Band Ring. This remarkable piece is crafted from 10K Yellow Gold , creating an intricate and stylish design that exu...
Category

21st Century and Contemporary Indian Modern Black Diamond Rings

Materials

Black Diamond, Diamond, 10k Gold, Yellow Gold

Men's 10K Yellow Gold 3/4 Carat White and Black Treated Diamond Ring Band
Located in New York, NY
This stunning men's black and white diamond band ring is a true testament to the art of craftsmanship. With 10K yellow gold, this ring boasts a unique design that highlights the 93 n...
Category

21st Century and Contemporary Indian Modern Black Diamond Rings

Materials

Black Diamond, Diamond, 10k Gold, Yellow Gold

Vintage Black Diamond Rings for Sale on 1stDibs

Shopping for a vintage black diamond ring?

Black diamond jewelry seems especially appropriate around Halloween, that most spooky day of the year, but there’s really never a time when the gem isn’t fashionable. In fact, some jewelry lovers prefer black diamonds over other diamonds

While black diamonds may have entered our public lexicon when Mr. Big presented Carrie Bradshaw with a black diamond engagement ring in Sex and the City 2 (“because you’re not like anyone else,” he told her), jewelry aficionados have known about this fancy colored gemstone for centuries. And an antique or vintage black diamond engagement ring is indeed an edgy, dramatic choice — just keep in mind that with diamonds, it’s all about sparkle, and the darkness of a black stone obscures its fire and brilliance.

“Typically, natural black diamonds are completely opaque, but they have a high luster, which gives the stone an almost metallic appearance,” says Brenda Harwick, senior manager of on-campus instruction at the Gemological Institute of America (GIA).

Usually a black diamond is faceted and either used as an accent or, if it is a solitaire, then it has been treated by a combination of high heat and low pressure to bring out its opaque black color. While they may look exotic, black diamonds are less expensive than white diamonds and are not held to the same standards — in other words, the 4Cs diamond grading system will not apply. Black diamonds, whose gemological name is carbonado, tend to vary little or not at all in terms of tone or saturation, and light dispersion is all but irrelevant. Instead of the 4Cs, the GIA issues a colored diamond identification and origin report in which the black color’s origin is noted as either natural or treated.

If the inky opacity of a black diamond seems a bit extreme and you’d like a little light to shine through, consider a gray diamond, which can be cut for maximum brilliance. 

On 1stDibs, shop vintage black diamond rings set in white gold, yellow gold and more. 

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