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6 Ct Black Opal

Vintage 3.87 Ct Australian Black Blue Green Opal Diamond Platinum ring
Located in Napoli, IT
Gems: 1 cabochon cut natural untreated black opal of 3.87 Ct (11.74 x 9.20 mm.) – 6 Swiss cut diamonds
Category

Vintage 1930s European Retro Solitaire Rings

Materials

Diamond, Black Opal, Platinum

New Ethiopian 1.86 Ct Black Opal, Sapphire & Citrine Sterling Ring Size 8.75
Located in Eagan, MN
What a gorgeous ring! It is a size 8.75. The black opal is from Africa and is just exquisite
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Citrine, Opal, Sapphire, Black Opal, Silver, Sterling Silver, Gold Plate...

Black opal 14k gold ring.
By Daizy Jewellery
Located in Istanbul, TR
Black opal 14k gold ring. Rainbow opal ring. Cabochon opal ring. Vintage opal ring. Ethiopian Opal
Category

2010s Turkish Modern Cocktail Rings

Materials

Diamond, Opal, Black Opal, Gold, 14k Gold

1930s 3.83 Carat Black Opal and 1.15 Carat Diamond Platinum Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning antique 1930s 3.83 Ct black opal and 1.15 Ct diamond, platinum cocktail ring; part of
Category

Vintage 1930s Unknown Cocktail Rings

Materials

Opal, Diamond, Black Opal, Platinum

Contemporary Black Opal and Diamond White Gold Ring with AGL Report
By DSL
Located in Lexington, KY
ring is currently sized at a 6. The black opal has a total weight of 0.61 ct. The diamonds have an
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Diamond, Opal, Black Opal, White Gold

Antique Edwardian 18K Yellow Gold Rose Cut Diamond and Black Opal Navette Ring
Located in Great Neck, NY
Beautiful Antique Edwardian 18K Yellow Gold Rose Cut Diamond and Black Opal Navette Ring. This
Category

Antique Early 1900s Edwardian Engagement Rings

Materials

Diamond, Opal, Gold, 18k Gold, Yellow Gold, Platinum

1970 Vintage Opal Diamonds Necklace 18 Karat White Gold
Located in Zurich, Zollstrasse
Very attractive and solid handmade 18 K white Gold necklace with Black Opal triplet and 63
Category

Vintage 1970s Swiss Modern Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

14 Karat White Gold Tanzanite, Diamond and Opal Inlay Earrings #13738
Located in Washington Depot, CT
stunning earrings each feature two triangle cut tanzanites, two inlay black opals and ten round brilliant
Category

20th Century Drop Earrings

Materials

Diamond, Opal, Tanzanite, White Gold

Lightning Ridge Opal Chrysophrase Paraiba Tourmaline White Diamond Mosaic Ring
By Joke Quick
Located in Antwerp, BE
breathtaking mosaic pattern. 18K Rose gold 9.5 g 5 X Semi Black Opal Lightning Ridge : 1.66 ct. 16 X
Category

2010s Belgian Artist Fashion Rings

Materials

Chrysophrase, Diamond, White Diamond, Opal, Tourmaline, Paraiba, 18k Gol...

Cultured Freshwater Pearl, Opal Dome 18 Karat Yellow Gold Cocktail Ring
Located in Sherman Oaks, CA
brightness and pattern Slightly directional. Graded in the setting. Total Weight of Opals = 4.62 ct Total
Category

20th Century Cocktail Rings

Materials

Opal, Cultured Pearl, Freshwater Pearl, 18k Gold

14 Karat White Gold Prasiolite and Diamond Ring Size 6 #14603
Located in Washington Depot, CT
Vintage 14 Karat White Gold Prasiolite and Diamond Ring Size 6 JAGi Certified- This sparkling
Category

20th Century Engagement Rings

Materials

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

Certified Green and Pink Toumaline Twin Stones Ring with Moissanite in 14K Gold
Located in Kowloon, HK
TOURMALINE: 2.81 Ct (Certified) ◆ WEIGHT OF PINK TOURMALINE: 1.345 Ct ◆ SIZE OF GREEN TOURMALINE: 8.3 x 8.3
Category

2010s Hong Kong Art Nouveau Cocktail Rings

Materials

Tourmaline, 14k Gold

1859 Nordic Signet Ring Red Onyx solid 20K Gold Ø US5 / 1.7 gr
Located in SE
6 mm x 3 mm deep / ca 3 ct. Stone may change color a bit under from dark Red to almost Black under
Category

Antique 1850s Swedish Aesthetic Movement Signet Rings

Materials

Onyx, 22k Gold

Antique Austrian Bohemian Bracelet Garnets Seed Pearls Enamel / 18cm / 34gr
Located in SE
17 mm at axes x 8.5 mm deep. Bezel set Garnets 9 mm x 6 mm x 5 mm deep / ca 2 ct each/total ca.16ctw
Category

Vintage 1910s Austrian Renaissance Revival Link Bracelets

Materials

Pearl, Garnet, Gold-filled, Silver, Enamel

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Ancient Cocktail Ring with 22.55 Carat Antique Roman Glass
By Coomi
Located in Secaucus, NJ
Antiquity 20 Karat Yellow Gold Ring With 22.55 Carat Antique Roman Glass and 1.10 Carat Rose-Cut Diamond Surrounds. This Ring Is Part Of Our Antiquity Collection, Which Represents A ...
Category

21st Century and Contemporary Thai Contemporary Cocktail Rings

Materials

Diamond, Yellow Gold

New African 6.20 Ct Blue Purple & Pink Sapphire RGold Plated Sterling Ring
Located in Eagan, MN
This is just a beautiful gemstone. This beautiful stone has pinks, blues and purples in it. It's just spectacular. The ring is a size 6.5. It was mined in Africa and is just exqui...
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Pink Sapphire, Purple Sapphire, Sapphire, Sterling Silver, Silver, Rose ...

Belle Époque Diamond Tiara
Located in London, GB
A Belle Époque diamond tiara, to the centre three diamond-set clusters with diamond-set foliate decorations and one large diamond-set cluster on each side, all within a waved frame o...
Category

Early 20th Century French Belle Époque More Jewelry

Materials

Diamond, Platinum

New African 5.40 Carat Emerald Green Garnet Sapphire YGold Sterling Ring
Located in Eagan, MN
What beautiful color this ring is! The setting is Yellow Gold Plated. The ring is a size 6.75. The stone is from Africa and is just exquisite. It is a highly rated stone. It is...
Category

2010s Unknown Art Deco Cocktail Rings

Materials

Sapphire, Garnet, Gold Plate, Yellow Gold, Silver, Sterling Silver

Elegant 1.50ct Diamond Platinum Ring with Radiant F Color Brilliance
Located in רמת גן, IL
This exquisite platinum ring, featuring a total diamond weight of 1.50 carats, is a testament to timeless elegance and superior craftsmanship. At its heart lies a 0.20 carat round br...
Category

2010s Singaporean Cocktail Rings

Materials

Diamond, Platinum

Australian 10.38ct Boulder Opal, Diamond & 18K Gold Ring
Located in MAIN BEACH, QLD
This amazing boulder opal is the best gem opal we have ever had in a ring. It has outstanding clarity with crisp sharp colours and patterns without equal. The block harlequin patter...
Category

Late 20th Century Australian Cocktail Rings

Materials

Diamond, Opal, 18k Gold

Natural Diamond Stud Earrings in 14k White Gold Plated 925 Sterling Silver
By Gad & Co.
Located in Miami, FL
Simple and elegant natural diamond stud earrings set in 14k Gold plated 925 sterling silver for long lasting and durable use. Push back closure with 2 tightness levels for extra vers...
Category

2010s Modern Stud Earrings

Materials

Diamond, Gold Plate, Sterling Silver

Antique Cabochon Cut Opal and Diamond Yellow Gold Dress Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique 0.28 carat opal and 0.39 carat diamond, yellow gold and silver set dress ring; part of our diverse antique jewelry and estate jewelry collections. This...
Category

Antique Early 1900s Unknown Cluster Rings

Materials

Diamond, Opal, 9k Gold, Yellow Gold

Black Opal Yellow Gold Ring Nacreous Gemstone gem Space Odyssey Style Minimalism
Located in Berlin, DE
Black opal gold ring 18K yellow gold opal origin - Australia stone measurements - 0.12 х 0.31 х 0.43 in / 3 х 8 х 11 mm opal weight - 1.65 carats ring weight - 2.72 grams ring size ...
Category

2010s German Contemporary Engagement Rings

Materials

Opal, Black Opal, Gold, 18k Gold, Yellow Gold

14 Karat Gold Ring with Opal and Sapphires
By Daizy Jewellery
Located in Istanbul, TR
14 karat gold ring with genuine opal and sapphires. October birthstone. September birthstone. Total weight: 2.50 g. Gemstones (all are tested by proffesional gemmologist): 1. Genuin...
Category

2010s Turkish Modern Fashion Rings

Materials

Opal, Sapphire, 14k Gold

Contemporary Sapphire Tsavorite Citrine Marquise Unisex Contrast Cocktail Ring
Located in Lambertville , NJ
One large, fun Lady's or Men's Cocktail, Cluster Ring featuring Colored Gemstones in Honey, Deep Orange, Green, and White. This festive Ring is an appropriate accent for all seasons ...
Category

2010s American Artisan Cocktail Rings

Materials

Tsavorite, Sapphire, Multi-gemstone, Citrine, Sterling Silver, Vermeil

Antique Edwardian Opal Diamond Cluster Ring in 10ct Opal
Located in Kendal, GB
A spectacular antique Edwardian cluster ring exhibiting a spellbinding natural cabochon opal, framed by sixteen sparkling brilliant cut diamonds, totalling approx. 1.6ct. The opal di...
Category

20th Century European Edwardian Cluster Rings

Materials

Diamond, Opal, Yellow Gold

5.09ctw Australian Natural Black Opal Pendant Necklace 18k White Gold
Located in Houston, TX
This beautiful pendant features a natural 5.09ctw natural black opal set in 18 karat white gold on an 18" chain. Lobster clasp closure. Each opal is sourced from the Lighting Ridge a...
Category

21st Century and Contemporary Australian Modern Pendant Necklaces

Materials

Opal, Black Opal, 18k Gold, White Gold

100 Year Old Antique Edwardian Era Opal and Diamond Flower Halo Ring
Located in Honolulu, HI
This antique ring was made during the beginning of the 1900's and is estimated to be over 100 years old. It features a stunning opal with beautiful yellow orange and blue hues. Aroun...
Category

Antique Early 1900s Unknown Edwardian Band Rings

Materials

Diamond, Opal, Silver, Gold, 18k Gold, Yellow Gold

Genuine Roman onyx intaglio (2nd cent. AD) depicting a "marsus" (snake charmer)
Located in Roma, IT
An authentic Roman intaglio on onyx has been set in this 18 Kt gold ring, which depicts a "Marsus", or a snake charmer, in the act of capturing one. In ancient Rome they were called ...
Category

2010s Italian Classical Roman Signet Rings

Materials

Onyx

David Webb 52.55 Carat Emerald-Cut Diamond Gold Platinum Engagement Ring
By David Webb
Located in New York, NY
Throughout centuries, diamonds have represented permanence, luxury, and strength. This remarkable David Webb ring exudes all of that and more with its remarkable center emerald cut d...
Category

2010s American Solitaire Rings

Materials

Diamond, 18k Gold, Platinum

Recent Sales

18K diamond and fine black opal ring
Located in Aspen, CO
White diamonds surround an approx. 8 ct. fine black opal. The opal is not crazed and has vibrant
Category

Late 20th Century English Contemporary Cocktail Rings

Materials

Diamond, Opal, 18k Gold

Joke Quick Paraiba Tourmaline Lightning Ridge Black Opal Ring
By Joke Quick
Located in Antwerp, BE
Greenish Blue Pear-Cut Paraïba Tourmaline centerstone from Mozambique, 6 X Black Opal Pear shaped cabochons
Category

2010s Belgian Art Nouveau Fashion Rings

Materials

Tourmaline, Paraiba, White Diamond, Opal, Black Opal, White Gold, 18k Gold

3 Carat Colombian Emerald Black Opal Diamond Pave Ring
By Joke Quick
Located in Antwerp, BE
cut Columbian Emerald ( no resin, only oil ) 3.08 ct., Bright Green and Blue Solid Black Opal from
Category

2010s Belgian Contemporary Fashion Rings

Materials

Diamond, Emerald, Opal, Black Opal, 18k Gold, Rose Gold, Sterling Silver

Black Opal and White Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Gorgeous estate black opal ring with 1.47 cts of good quality white diamonds and a 1.97 ct. black
Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Platinum

Joke Quick Flash Black Opal Alexandrite Rose-Cut Diamond Mosaic Ring
By Joke Quick
Located in Antwerp, BE
g (The stones are set on silver to create a black background for the stones) Set with 7 X Black Opal
Category

2010s Belgian Art Nouveau Fashion Rings

Materials

Alexandrite, Diamond, Opal, Black Opal, 18k Gold, Rose Gold, Sterling Si...

Antique Art Deco 14k Yellow Gold Two Tone Black Opal Filigree Ring
Located in Great Neck, NY
A gorgeous Antique Art Deco 14K Yellow Gold Two Tone Black Opal Filigree Ring. This beautiful ring
Category

Vintage 1920s Unknown Art Deco Solitaire Rings

Materials

Opal, Black Opal, Yellow Gold

Joke Quick Lightning Ridge Black Opal Diamond Paraiba Tourmaline Mosaic Ring
By Joke Quick
Located in Antwerp, BE
1,55 carats ( natural solid Top quality Australian Black opal from Lightning Ridge mine ), 6 X White
Category

2010s Belgian Art Nouveau Fashion Rings

Materials

Paraiba, Diamond, White Diamond, Opal, Tourmaline, Black Opal, 18k Gold,...

Black Opal Oval Cabochon and White Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Gorgeous black opal oval weighing 1.88 ct. with 0.40 ct. good quality, white, and bright diamond
Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Platinum

Mismatched Emerald, Black Opal, Paraïba Tourmaline and Diamond Earrings
By Joke Quick
Located in Antwerp, BE
( charm weight: 6 g) Black Opal : 0.31 ct. Emerald centerstone : 0.61 ct. White DEGVVS Brilliant-cut
Category

2010s Belgian Contemporary Hoop Earrings

Materials

Diamond, White Diamond, Emerald, Opal, Tourmaline, 18k Gold, White Gold

Estate Black Opal Oval Cabochon and White Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Stunning 1.20 ct. black opal oval cabochon with 0.98 ct. of good quality, white, and bright diamond
Category

21st Century and Contemporary Cocktail Rings

Materials

White Diamond, Opal, Platinum

Olive Green Rose-Cut Diamond Black Lightning Ridge Opal, Paraïba Tourmaline Ring
By Joke Quick
Located in Antwerp, BE
. Fancy Olive Green rose-cut diamonds 0,75 ct., Black Opal cabochons from Lightning Ridge 0,73 carats
Category

2010s Belgian Contemporary Fashion Rings

Materials

Diamond, Opal, Tourmaline, 18k Gold, Sterling Silver

Joke Quick Black Opal, Blue Sapphire, White Diamond, Burmese Jadeite Pave Ring
By Joke Quick
Located in Antwerp, BE
silver to create a black background for the stones) Black Opal cabochons, Blue Sapphires 1,15 ct., White
Category

2010s Belgian Contemporary Fashion Rings

Materials

Diamond, Opal, Blue Sapphire, Jade, Sterling Silver, 18k Gold

Contemporary "Fire" Opal and Tsavorite Yellow Gold Dangle Earrings
By Rosior
Located in Porto, PT
" Opals with 3,76 ct; - 10 Oval Cut "fire" Opals with 6,63 ct; - 439 Tsavorite Garnets with 4,44 ct. Black
Category

21st Century and Contemporary Portuguese Contemporary Dangle Earrings

Materials

Opal, Tsavorite, Fire Opal, Gold, Yellow Gold, Rhodium

Padparadscha Sapphire, Australian Opal, Rose-Cut Diamond Pave Ring
By Joke Quick
Located in Antwerp, BE
. Australian white opal 0.54ct. White DEGVVS brilliant-cut diamonds 0.055 ct.. Size EU 54 US 6 3/4 ( please
Category

2010s Belgian Contemporary Fashion Rings

Materials

Padparadscha Sapphire , Opal, Sapphire, Pink Sapphire, Diamond, White Di...

Art Deco 1925 Geometric Enamelled Ring in 18kt Gold with Rare 3.78 Ct Black Opal
Located in Miami, FL
one oval cabochon cut (15.3 x 11.2 x 4.1 mm) of a natural black opal of 3.78 carats, no crazing
Category

Vintage 1920s American Art Deco Cocktail Rings

Materials

Opal, Black Opal, Gold, 18k Gold, Yellow Gold, Enamel

3 Ct Oval Shape Black Australian Opal Cocktail Ring 14 Kt Yellow Gold , Unisex
Located in New York, NY
oval-shaped Black Australian Opal. This magnificent piece displays stunning shades of green and blue
Category

2010s Cocktail Rings

Materials

Opal, 14k Gold, Yellow Gold

Black Opal Padparadscha Sapphire Diamond Mosaic Ring
By Joke Quick
Located in Antwerp, BE
carats ( natural solid Australian Black opal from Lightning Ridge mine 0.46 ct., 0.53 ct., 0.27 ct., 0.46
Category

2010s Belgian Art Nouveau Fashion Rings

Materials

Sapphire, Black Opal, Padparadscha Sapphire , Diamond, White Diamond, Op...

Joke Quick Lightning Ridge Black Opal Rose-Cut Diamond Mosaic Ring
By Joke Quick
Located in Antwerp, BE
sterlingsilver 1.6 gram Pave set with : 6 X Black Opal cabochons from Lightning Ridge 1.41 ct. White DEGVVS Fancy
Category

2010s Belgian Art Nouveau Cocktail Rings

Materials

Diamond, Opal, Black Opal, 18k Gold, Rose Gold, Sterling Silver

Lightning Ridge Black Opal Diamond Hinged Bangle Bracelet 18 Karat Gold
Located in Honolulu, HI
Absolutely stunning 18k white gold black Opal & Diamond bangle bracelet. This gorgeous hinged
Category

21st Century and Contemporary American Modern Bangles

Materials

Diamond, Opal, 18k Gold

Lightning Ridge Dark Opal, Pink Diamond Pink Padparadscha Sapphire Ring
By Joke Quick
Located in Antwerp, BE
Lightning Ridge mine ), 10 X Australian opal cabochons, Fancy Chocolate pink brilliant-cut diamonds 0,35 ct
Category

2010s Belgian Art Nouveau Fashion Rings

Materials

Diamond, Opal, Pink Diamond, Pink Sapphire, Sapphire, Sterling Silver, 1...

Platinum Black Opal and Diamond Ring 2.59 Carat
Located in Beverly Hills, CA
diamonds Black opal size approx ct 2.22 No treatment 100% NATuRAL Size 6
Category

2010s Three-Stone Rings

Materials

Diamond, Opal, Platinum

Frederic Sage 2.31 Carat Black Opal & Diamond Pendant Necklace
By Frederic Sage
Located in New York, NY
18K WG FREE-FORM AUSTRALIAN BLACK OPAL WITH DIA HALO OAK PENDANT WITH ATTACHED DIAMOND CHAIN, OPAL
Category

2010s American Contemporary Pendant Necklaces

Materials

Opal, 18k Gold

Rarity Corner Sensational Antique Edwardian Period Diamond and Black Opal Ring
Located in Napoli, IT
Hallmarks: assay Gems: 1 oval cabochon cut black opal of approx 1.90 Ct (13 x 6.8 mm.) - 16 old brilliant
Category

Antique Early 1900s Edwardian Engagement Rings

Materials

Diamond, Opal, Platinum

Frederic Sage 3.14 C Australian Black Opal Diamond Pendant Chain Drop Necklace
By Frederic Sage
Located in New York, NY
18K YG FREE-FORM AUSTRALIAN BLACK OPAL WITH DIA HALO OAK PENDANT WITH ATTACHED DIAMOND CHAIN, OPAL
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Frederic Sage 2.60 Carat Australian Opal Diamond Pendant Chain Necklace
By Frederic Sage
Located in New York, NY
, OPAL 2.60 CT, 6 DIA 0.12 CT, 42 DIA 0.19 Carats
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Frederic Sage 1.47 Carat Opal and Diamond One of Kind Pendant Necklace
By Frederic Sage
Located in New York, NY
18K WG .FREE-FORM AUSTRALIAN BLACK OPAL WITH DIA HALO OAK PENDANT WITH ATTACHED DIAMOND CHAIN, OPAL
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, White Gold

Art Deco circa 1930, Black Opal and Diamond Platinum 18 Karat Gold Cocktail Ring
Located in Berlin, Berlin
new colours and patterns with every movement. Black opals are a specialty of those mines. This
Category

Vintage 1930s Art Deco Cocktail Rings

Materials

Diamond, Opal, 18k Gold, White Gold, Platinum

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6 Ct Black Opal For Sale on 1stDibs

Surely you’ll find the exact 6 ct black opal 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 Yellow Gold. In our selection of items, you can find a vintage example as well as a contemporary version. If you’re looking for a 6 ct black opal from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 19th Century while another version may have been produced as recently as the 21st Century. A 6 ct black opal from Renata Bernard, LB Exclusive and Giulians — each of whom created a beautiful version of this treasured accessory — is worth considering. A cabochon version of this piece has appeal, but there are also round cut and oval cut versions for sale. Finding a 6 ct black opal for sale for women should be easy, but there are 47 pieces available to browse for unisex as well as men, too.

How Much is a 6 Ct Black Opal?

Prices for a 6 ct black opal can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $800 and can go as high as $195,000, while this accessory, on average, fetches $8,100.