Results for “black opal ring”

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14k Yellow Gold Arrowhead Ring with Black Opal and Diamonds: 14k Yellow Gold Arrowhead Ring with Black Opal and Diamonds This stunning cocktail ring showcases a striking 14k yellow gold design, featuring a large natural black opal cut in a unique arrowhead shap

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14k Yellow Gold Arrowhead Ring with Black Opal and Diamonds

18KT BLACK OPAL SAPPHIRE DIAMOND RING: 18KT BLACK OPAL SAPPHIRE DIAMOND RING The Following Items we are offering is a Rare Important Spectacular and Brilliant 18KT Gold Large Gorgeous Black Opal Cabachon Blue Sapphire Green Sapphire Diamon

7 days Left

18KT BLACK OPAL SAPPHIRE DIAMOND RING

Est. $13,870-$15,502

GIA Certified 2.72ctw Black Opal Platinum Cocktail Ring with Diamonds: GIA Certified 2.72ctw Black Opal Platinum Cocktail Ring with Diamonds This stunning cocktail ring showcases a mesmerizing natural black opal at its center, elegantly framed by sparkling diamonds. The

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GIA Certified 2.72ctw Black Opal Platinum Cocktail Ring with Diamonds

Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina Ring: Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina Ring This exquisite ballerina cocktail ring features a stunning elongated oval black opal at its center, showcasing a remarkable play of gre

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Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina Ring

Vintage Platinum 1.66ctw GIA Black Opal & Diamond Cocktail Ring: Vintage Platinum 1.66ctw GIA Black Opal & Diamond Cocktail Ring This stunning vintage cocktail ring features a remarkable 1.66ctw black opal with captivating red and blue color play, elegantly complem

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Vintage Platinum 1.66ctw GIA Black Opal & Diamond Cocktail Ring

Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring: Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring This exquisite vintage cocktail ring features a stunning natural black opal set in solid platinum. The centerpiece is a prong-set caboch

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Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring

Platinum 1.67ct Black Opal Diamond Cocktail Ring: Platinum 1.67ct Black Opal Diamond Cocktail Ring This exquisite cocktail ring showcases a stunning 1.46ct natural black opal in an elegant oval cabochon cut, securely prong set to highlight its captiv

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Platinum 1.67ct Black Opal Diamond Cocktail Ring

VINTAGE WOMEN'S 10K YELLOW GOLD RING WITH NATURAL OPAL AND BLACK PORCELAIN INLAY: VINTAGE WOMEN'S 10K YELLOW GOLD RING WITH NATURAL OPAL AND BLACK PORCELAIN INLAY Vintage Women's 10k Yellow Gold Ring with Natural Opal and Black Porcelain Inlay You are bidding on a pre-owned Vintage

Feb 22, 2026

VINTAGE WOMEN'S 10K YELLOW GOLD RING WITH NATURAL OPAL AND BLACK PORCELAIN INLAY

Est. $1,645-$1,839

Antique Black Opal and Old European Cut Diamond Ring in 18k Yellow Gold: In 18k Yellow Gold. Contains one 8.4mm high quality oval natural black Opal gemstone with intense play of color. Also contains six 1/10ct high quality Old European cut diamonds, VS clarity/H color. Si

14 hrs Left

Antique Black Opal and Old European Cut Diamond Ring in 18k Yellow Gold

Eric's Estate & Jewelry

Est. $2,444-$3,666

Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring: Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring This exquisite vintage cocktail ring features a stunning natural black opal set in solid platinum. The centerpiece is a prong-set caboch

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Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring

$2,190(17 bids)

GIA Certified 2.69ctw Black Opal Diamond Halo Platinum Ring: GIA Certified 2.69ctw Black Opal Diamond Halo Platinum Ring This exquisite cocktail ring features a stunning natural black opal set in solid platinum, beautifully complemented by a twisted shoulder di

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GIA Certified 2.69ctw Black Opal Diamond Halo Platinum Ring

$2,890(25 bids)

French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring: French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring This exquisite French Antique Art Nouveau ring showcases a stunning natural black opal complemented by sparkling diamonds. The r

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French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring

Est. $19,123-$24,859

ESTATE 14KT YELLOW GOLD, TANZANITE, OPAL & DIAMOND RING: Estate 14kt yellow gold and gemstone ring, centering an oval tanzanite, approx 1.50cts, inlaid black opal, and small diamond accents, approx 0.22cttw, average color: H-I, average clarity: SI, marked 1

Feb 20, 2026

ESTATE 14KT YELLOW GOLD, TANZANITE, OPAL & DIAMOND RING

Austin Auction Gallery

Est. $600-$1,200

Signed Sterling Silver Glass Opal Crystal Ring: Signed Sterling silver cocktail ring with opal style glass cabochons and black crystals. Ring size 6. Signed illegibly. Marked sterling. Total weight 10.2 grams. Some scratching. Jewelry, estate jewel

3 days Left

Signed Sterling Silver Glass Opal Crystal Ring

The Benefit Shop Foundation Inc.

Est. $30-$80

French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring: French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring This exquisite French Antique Art Nouveau ring showcases a stunning natural black opal complemented by sparkling diamonds. The r

1 day Left

French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring

Est. $19,123-$24,859

Antique Black Opal and Old European Cut Diamond Ring in 18k Yellow Gold: In 18k Yellow Gold. Contains one 8.4mm high quality oval natural black Opal gemstone with intense play of color. Also contains six 1/10ct high quality Old European cut diamonds, VS clarity/H color. Si

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Antique Black Opal and Old European Cut Diamond Ring in 18k Yellow Gold

Eric's Estate & Jewelry

Est. $2,444-$3,666

A Group of 14K Gold and Gem-Set Rings: A Group of 14K Gold and Gem-Set RingsIncluding eight rings, accented by diamonds, emeralds, fire opal, sapphires, rubies, citrine and black diopside8 piecesSizes: 4 1/2 - 948.0 gramsProvenance: T

2 days Left

A Group of 14K Gold and Gem-Set Rings

John Moran Auctioneers, Inc.

Est. $1,500-$2,000

French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring: French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring This exquisite French Antique Art Nouveau ring showcases a stunning natural black opal complemented by sparkling diamonds. The r

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French Antique Art Nouveau GIA Certified Gold Opal Diamond Navette Ring

VINTAGE 14K WHITE GOLD ENGAGEMENT RING 3.75CT. NATURAL ETHIOPIAN OPAL CABOCHON: VINTAGE 14K WHITE GOLD ENGAGEMENT RING 3.75CT. NATURAL ETHIOPIAN OPAL CABOCHON Vintage 14K WHITE GOLD OPAL RING CENTER SET NATURAL BLACK ETHIOPIAN OVAL CABOCHON SHAPE WEIGHT 3.75CARAT SIZE 13x10.8MM N

Mar 08, 2026

VINTAGE 14K WHITE GOLD ENGAGEMENT RING 3.75CT. NATURAL ETHIOPIAN OPAL CABOCHON

Est. $4,675-$5,225

huge 14ct gold black opal triplet with diamond shoulders: huge 14ct gold black opal triplet with diamond shoulders Stunning large black opal!

huge 14ct gold black opal triplet with diamond shoulders

Banks Jewellery Auctions

Est. £400-£450

£300(1 bid)

18k, 14k and 10k Gold Jewelry Assortment: 18k, 14k and 10k Gold Jewelry Assortment (4) items including a gemstone floral pendant (marked '18k'), an opal ring and a black coral pin in original box (marked '14k') as well as an opal and garnet r

Feb 24, 2026

18k, 14k and 10k Gold Jewelry Assortment

Leonard Auction, a division of The Leonard Company

Est. $800-$1,000

Large Sterling Silver Ring Collection: Large Sterling Silver Rings Collections of 30 Rings Including Lapis Lazuli Foliate Poison Ring and Signed Pieces: 7x Mexico KVA Danmark Pauline Rader and more and more in Various Sizes Shapes Styles M

Feb 22, 2026

Large Sterling Silver Ring Collection

Gold Coast Auctioneers

Est. $200-$100,000

Magnificent 9.49ct Natural Opal Platinum Diamond Pink Sapphire Ring by Oscar Friedman w/ Appriasal: Title: Magnificent 9.49ct Natural Opal Platinum Diamond Pink Sapphire Statement Ring by Oscar Friedman w/ Appraisal Description: A stunning platinum design that features a huge & colorful natural opa

Feb 28, 2026

Magnificent 9.49ct Natural Opal Platinum Diamond Pink Sapphire Ring by Oscar Friedman w/ Appriasal

Hess Fine Auctions

Est. $2,000-$2,500

20.91 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 20.91 Ct / Dimensions - 25.00 x 15.40 x 10.70 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Smoked

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20.91 Ct Natural Black Flashing Fire Opal Oval Cab

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