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1.20ct Natural Semi Black Opal Diamond Ring Estate Platinum Sz 6 Fine Jewelry
Located in Torrance, CA
Stylish natural semi-black opal & diamond ring (circa 2000s) crafted in platinum. Natural opal
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Opal, Black Opal, Platinum

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

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...

Australian Black Opal Diamond Platinum Ring
Located in Beverly Hills, CA
A smaller but fine gem black opal from Australia weighing 1.43 carats. It has a deep black body
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Opal, Black Opal, Platinum

Platinum Australian Black Opal and Diamond Ring
Located in Big Bend, WI
Platinum Australian black opal and diamond ring. This is a natural black opal weighing .45cts and
Category

Vintage 1950s Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

Australian Black Opal Diamond Platinum Cocktail Ring
Located in Beverly Hills, CA
A large and impressive ring featuring a natural black opal from Australia! It weighs 4.42 carats
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

Fine Australian Black Opal Diamond Platinum Ring
Located in Beverly Hills, CA
A superb gem black opal from Lightning Ridge, Australia. It weighs 7.79 carats and has excellent
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

Fine Australian Black Opal Diamond Platinum Ring
Located in Beverly Hills, CA
An exceptional natural black opal from the famed mining area of Lightning Ridge, Australia. The
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

Edwardian 10k Australian Black Opal Ring
Located in Narberth, PA
! Measurements: The ring has a finger size of 6 3/4, but could easily be re-sized up or down as desired. The opal
Category

Early 20th Century Unknown Edwardian Fashion Rings

Materials

Black Opal, 10k Gold

Art Deco 18kt Black Opal + Diamond Ring
Located in Narberth, PA
finger size of 6 but can easily be resized. The diamond and opal design measures 13/16" tall, slightly
Category

Vintage 1940s Unknown Art Deco Cluster Rings

Materials

Diamond, Opal, Black Opal, Platinum

Fine Australian Black Opal Diamond Platinum Ring
Located in Beverly Hills, CA
A fine, natural Australian black opal, most likely from the Lightning Ridge deposits, with
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

18k GIA 4.39ct Black Opal and Diamond Ring
Located in Big Bend, WI
18K white gold Australian black opal and diamond ring. There is a GIA report #2225667539 stating
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, Opal, Black Opal

14K Yellow Gold Black Opal Doublet Ring 3.2g
Located in Laguna Beach, CA
14K Yellow Gold Ring with a Black Opal Doublet. The Opal displays blue and green color flashes
Category

21st Century and Contemporary Cocktail Rings

Materials

Opal, Black Opal, 14k Gold, Yellow Gold

Fiery Australian Black Opal and Diamond Cocktail Ring
Located in Santa Barbara, CA
This extraordinary cocktail ring features a phenomenal 3.48 carat Australian black opal with a
Category

21st Century and Contemporary Contemporary Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

10.98 Carat Oval Black Opal and Diamond Ring
Located in Great Neck, NY
This stunning cocktail ring showcases a beautiful 10.98 Carat Oval Black Opal with a Diamond Halo
Category

21st Century and Contemporary Cocktail Rings

Materials

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

Black Opal Silver Ring Cabochon Multicolor Rainbow Space Australian Gemstone
Located in Berlin, DE
in / 6 x 9 mm opal weight - 0.72 carats ring size - 5.5 US ring weight - 4.93 grams
Category

2010s German Artist Cocktail Rings

Materials

Opal, Black Opal, Silver

9.27 Carat Australian Black Opal Diamond Platinum Cocktail Ring
Located in Beverly Hills, CA
A large and impressive cocktail ring featuring a natural Australian black opal weighing 9.27 carats
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Opal, Black Opal, Platinum

Black Opal and Diamond Baguette Platinum Engagement Ring, 2.99 Carats
By Sarosi By Timeless Gems
Located in Los Angeles, CA
wardrobe! Ring size 6 Complimentary sizing as needed Black opal, 10.39 x 9.54mm, 2.99 carats 8 baguette
Category

21st Century and Contemporary Artisan Engagement Rings

Materials

Diamond, Opal, Black Opal, Platinum

Massive Australian Black Opal Diamond Halo Platinum Cocktail Ring
Located in Beverly Hills, CA
A large and exceptional black opal from Australia! It weighs in at a whopping 24.95 carats and has
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

GIA 2.79ct Natural Black Opal Diamond Platinum Ballerina Cocktail Ring
Located in Miami, FL
Black Opal, natural and untreated, double cabochon oval cut, prong set, weight approximately 2.79 carats
Category

1990s Retro Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

Superb Art Deco Black Opal Diamond Ring, circa 1935
Located in London, GB
Art Deco black opal and diamond ring. Set with a marquise shaped cabochon natural unenhanced black
Category

Vintage 1930s Unknown Art Deco Cluster Rings

Materials

Diamond, Opal, Black Opal, Platinum

Black Opal Gold Ring Neon Blue Australian Engagement ring
By Alexey Gabilo
Located in Berlin, DE
14K yellow gold ring with natural Black Opal opal origin - Australia opal weight - 5.93 carats
Category

2010s German Art Nouveau Fashion Rings

Materials

Opal, Black Opal, Gold, 14k Gold, Yellow Gold

Black Opal Gold Ring Neon Blue Australian Engagement ring
Located in Berlin, DE
14K yellow gold ring with natural Black Opal opal origin - Australia opal weight - 5.93 carats
Category

2010s German Art Nouveau Fashion Rings

Materials

Opal, Black Opal, Gold, 14k Gold, Yellow Gold

Black Opal Ruby Diamond Platinum Cluster Cocktail Vintage Ring
Located in Philadelphia, PA
Statement cluster features on oval black opal cabochon measuring approximately 15.0 x 11.8 mm
Category

Early 2000s Contemporary Cluster Rings

Materials

Black Opal, Diamond, White Diamond, Opal, Ruby, Platinum

Art Deco Platinum Black Opal, Diamond and Emerald Cocktail Ring
Located in Fairfield, CT
This exquisite platinum Art Deco ring features a stunning 4-carat black opal, which takes center
Category

Vintage 1920s Art Deco Cocktail Rings

Materials

Diamond, Emerald, Black Opal, Opal, Platinum

Black Opal Oval Cut Diamond Platinum Three Stone Gemstone Ring
Located in Philadelphia, PA
Centering a prong set 10.0 x 14.0 mm oval opal tablet - black in body color with strong play-of
Category

21st Century and Contemporary Contemporary Three-Stone Rings

Materials

Black Opal, Diamond, White Diamond, Opal, Platinum

Antique 1930s 7.20ct Cabochon Cut Black Opal and Diamond Platinum Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning antique 7.20 carat black opal and 0.78 carat diamond, platinum cocktail ring; part of
Category

Vintage 1930s Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

Victor Velyan Black Opal and Diamond Ring
By Victor Velyan
Located in Carmel, CA
. This ring features the artist's hallmark, '24k' and '©'. Size 6 3/4~7 #200-089
Category

2010s American Cocktail Rings

Materials

Diamond, Opal, 24k Gold, Sterling Silver

1.21 Carat Natural Australian Black Opal Ballerina Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring a 1.21 Carat, Natural, Australian Black Opal and 0.43 Carats of Diamond
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

Steven Battelle 4.7 Carats Lightning Ridge Black Opal 22k Gold Ring
By Steven Battelle
Located in Soquel, CA
An 11 x 14 mm oval cabochon of Australian black opal with flashes of green and blue from the
Category

21st Century and Contemporary Balinese Contemporary Cocktail Rings

Materials

Opal, Black Opal, 22k Gold

Superb 24.95 Carat Australian Black Opal Diamond Halo Platinum Cocktail Ring
Located in Beverly Hills, CA
of a true opal lover. Ring Size 6 Weight: 24.8 grams
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Opal, Black Opal, Platinum

Platinum Black Opal & Diamond Ring, 900 Pear Cabochon 2.90ctw Halo-Inspired
Located in Greensboro, NC
Size: 6 Sizing Fee: Up 2 sizes for $60 or down 2 sizes for $50 Metal Content: 900 Platinum
Category

21st Century and Contemporary More Rings

Materials

Opal, Black Opal, Diamond, Platinum

Art Deco Platinum Diamond 3.73 Carat Australian Black Opal Engagement Ring
Located in Los Angeles, CA
lustrous Australian Black Opal cabochon surrounded by beautiful baguette and round diamonds in an Art Deco
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

Diamond, Opal, Black Opal, Platinum

Platinum GIA Certified 6.78 Carat Lightning Ridge Black Opal Engagement Ring
Located in Los Angeles, CA
lustrous Lightning Ridge Australian Black Opal cabochon surrounded by beautiful baguette diamonds in a
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

Diamond, Opal, Black Opal, Platinum

Platinum and 18K Yellow Gold Black Opal, Emerald and Diamond Ring
Located in Philadelphia, PA
Nestled amidst vibrant green emeralds, the black opal ring exuded an enchanting allure. The center
Category

21st Century and Contemporary Unknown Fashion Rings

Materials

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

0.81 Carat Natural "Lightning Ridge" Black Opal Ballerina Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring a 0.81 Carat, Natural, Australian Black Opal and 0.44 Carats of Diamond
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

2.53 Carat Lighting Ridge Black Opal & Diamond Cocktail Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring a 2.537 Carat, Natural, Australian (Lighting Ridge) Black Opal and 1.63
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

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

1.54 Carat Lighting Ridge Black Opal & Diamond Halo Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring a 1.54 Carat, Natural, Australian (Lighting Ridge) Black Opal and 1.15
Category

21st Century and Contemporary Japanese Modern 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

9K Yellow Gold and Black Opal Kangaroo Charm #15948
Located in Washington Depot, CT
kangaroo charm features an oval black opal gemstone (8 mm x 6 mm) set in beautifully detailed 9K yellow
Category

20th Century Charm Bracelets

Materials

Opal, 9k Gold, Yellow Gold

Arts & Crafts Australian Black Opal Gold Cocktail Ring Fine Estate Jewelry
Located in Montreal, QC
Ridge Black Opal in a finely detailed period correct 1930s, 18 Karat Gold Hand crafted mounting
Category

Mid-20th Century Arts and Crafts Cocktail Rings

Materials

Black Opal, Opal, Gold, 18k Gold

6.50 Carat Natural Black Cabochon Opal Diamond Platinum Ring
Located in Stamford, CT
black opal approx. total weight 6.50cts 6 emerald cut diamonds approx. total weight .40cts, G, VS Size 8
Category

Vintage 1920s Dome Rings

Materials

Diamond, Opal, Platinum

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

12.13 Carat Lightning Ridge Black Opal and Diamond Cocktail Ring set in Platinum
Located in Tokyo, JP
A beautiful ring featuring a 12.13 Carat, Natural, Australian Black Opal and 4.23 Carats of Diamond
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

3.43 Carat Lightning Ridge Oval Black Opal and Diamond Ring
Located in Great Neck, NY
This stunning cocktail ring showcases a beautiful 3.43 Carat Lightning Ridge Oval Black Opal with a
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Black Opal, 18k Gold, Yellow Gold

1.53 Carat Lightning Ridge Oval Black Opal and Diamond Ring
Located in Great Neck, NY
This stunning cocktail ring showcases a beautiful 1.53 Carat Lightning Ridge Oval Black Opal with a
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Black Opal, 18k Gold, Yellow Gold

3.67 Carat Lightning Ridge Cushion Black Opal and Diamond Ring
Located in Great Neck, NY
This stunning cocktail ring showcases a beautiful 3.67 Carat Lightning Ridge Cushion Black Opal
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Black Opal, 18k Gold, Yellow Gold

Opal Black Diamond Ring Gold Two Finger Ring J Dauphin
By J DAUPHIN
Located in Los Angeles, CA
Opal Black Diamond Gold Two Finger Ring J Dauphin J DAUPHIN Made in 14k Gold A Fashion ring which
Category

2010s American Contemporary Fashion Rings

Materials

Opal, Black Diamond, 14k Gold, Yellow Gold

2.56 Carat Natural Lighting Ridge Black Opal & Diamond Halo Ring Set in Platinum
Located in Tokyo, JP
A beautiful halo ring featuring a 2.56 Carat, Natural, Australian Black Opal and 1.68 Carats of
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Opal, Black Opal, Platinum

GIA Black Opal Vintage Pendant 14K Australian Natural Rainbow Huge Fine 5.53 CTS
Located in Sylvania, GA
Old South Jewels proudly presents...GIA CERIFIED VINTAGE AUSTRALIAN BLACK OPAL 14K PENDANT! HUGE
Category

Late 20th Century Pendant Necklaces

Materials

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

Opal Black Diamond Ring Gold Two Finger Ring J Dauphin
By J DAUPHIN
Located in Los Angeles, CA
Opal Black Diamond Gold Two Finger Ring J Dauphin J DAUPHIN Made in 14k Gold A Fashion ring which
Category

2010s American Contemporary Fashion Rings

Materials

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

0.59ct Black Opal in 18kt and Platinum Paloma Ring by Cynthia Scott Jewelry
By Cynthia Scott
Located in Logan, UT
The colors of this brilliantly hued Australian black opal from Lightening Ridge have a painterly
Category

21st Century and Contemporary American Fashion Rings

Materials

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

1950's Black Opal Diamond 14 Karat White Gold Scrolling Navette Bypass Ring
Located in Philadelphia, PA
Centering a navette-shaped opal cabochon measuring 9.0 x 17.0 mm Black in body color with strong
Category

Vintage 1950s Engagement Rings

Materials

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

4.69 Carat Lightning Ridge Black Opal and Diamond Ring Estate Fine Jewelry
Located in Montreal, QC
Ridge Black Opal, weighing 4.69 Carats, either side set with Diamonds, approx. 0.94 total carat weight
Category

21st Century and Contemporary Modern Cocktail Rings

Materials

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

14K Yellow Gold Double Halo Diamond 2.65 Carat Oval Australian Black Opal Ring
Located in Los Angeles, CA
DeKara Designs Classic Metal- 14K Yellow Gold, .583. Stones- 1 Oval Australian Black Opal 2.65
Category

21st Century and Contemporary American Art Deco Engagement Rings

Materials

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

Rare Navajo Black Opal Ring 14 Karat Signed LS Larry Sandoval Native American
Located in New York, NY
This is a stunning and very rare Black Opal ring in 14 Karat Yellow Gold by the Navajo artist Larry
Category

20th Century American Native American Cluster Rings

Materials

Opal, Black Opal, 14k Gold, Yellow Gold, Gold

Diamond and Black Opal Inlay Domed Band Ring in 18 Karat Yellow Gold
Located in Scottsdale, AZ
polished. Ring size: 7.25 Metal: 18 Karat Yellow Gold Weight: 12.7 grams Natural Black Opal count: 6
Category

Late 20th Century Unknown Contemporary Band Rings

Materials

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

2.00 Carat Natural Lighting Ridge Black Opal and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring a 2.00 Carat, Natural, Australian (Lighting Ridge) Black Opal and 0.67
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Black Opal, Platinum

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Black Opal Size 6 For Sale on 1stDibs

Surely you’ll find the exact black opal size 6 you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of gold, platinum and 18k gold, this item was constructed with great care. You can easily find a 182 antique edition and 221 modern creations to choose from as well. Finding the perfect black opal size 6 may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. There have been many well-made iterations of the classic black opal size 6 over the years, but those made by Renata Bernard, Joke Quick and Alexey Gabilo are often thought to be among the most beautiful. Take a look at a black opal size 6 featuring opal from our inventory today to add the perfect touch to your look. Today, if you’re looking for a cabochon version of this piece and are unable to find the perfect match, our selection also includes oval cut and mixed cut alternatives. If you’re browsing our inventory for a black opal size 6, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Black Opal Size 6?

On average, a black opal size 6 at 1stDibs sells for $4,780, while they’re typically $290 on the low end and $175,000 for the highest priced versions of this item.