Results for “Black Opal”

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Art Nouveau Black Opal, Diamond, Gold Pendant-Ne: Art Nouveau Black Opal, Diamond, Gold Pendant-Necklace Stones: Black opal cabochon; European-cut diamond weighing approximately 0.10 carat Metal: 14k gold Gross Wei

May 21, 2026

Art Nouveau Black Opal, Diamond, Gold Pendant-Ne

Est. $800-$1,200

$500

Heritage AuctionsDallas, TX

14K Yellow Gold Setting with Opal and Black Onyx Inlay Pendant with Chain: Retail: $350.00 ****** 14K Yellow Gold Setting with Opal and Black Onyx Inlay Pendant with Chain ****** Size: 18 / Metal: 14K Yellow Gold / Total Item Weight: 2.8 Grams / Country Made: United States /

4 days Left

14K Yellow Gold Setting with Opal and Black Onyx Inlay Pendant with Chain

Est. $250-$450

$50

Riverside GalleriesArcadia, CA

14K Yellow Gold Setting with Opal and Black Onyx Inlay Pendant with Chain: Retail: $350.00 ****** 14K Yellow Gold Setting with Opal and Black Onyx Inlay Pendant with Chain ****** Size: 18 / Metal: 14K Yellow Gold / Total Item Weight: 2.8 Grams / Country Made: United States /

19 hrs Left

14K Yellow Gold Setting with Opal and Black Onyx Inlay Pendant with Chain

Est. $250-$450

$50

Riverside GalleriesArcadia, CA

13mm Black Opal and 18K Yellow Gold Vintage Ring: 13mm Black Opal and 18K Yellow Gold Vintage Ring - THIS ITEM WILL COME WITH A $5,500 INSURANCE VALUATION REPORT IN THE WINNING BIDDER'S NAME. This striking vintage ring is finely crafted in solid 18k

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13mm Black Opal and 18K Yellow Gold Vintage Ring

$5,000

GWS Auctions Inc.Maitland, FL

VINTAGE 14K WHITE GOLD 3.75CT. NATURAL BLACK ETHIOPIAN OPAL & DIAMOND RING: 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

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VINTAGE 14K WHITE GOLD 3.75CT. NATURAL BLACK ETHIOPIAN OPAL & DIAMOND RING

Est. $4,675-$5,225

$3,850

Modern JewelryValley Village, CA

Antique 10k Yellow Gold GIA Certified 3.40ct Black Opal Ring: Antique 10k Yellow Gold GIA Certified 3.40ct Black Opal Ring This exquisite antique ring features a stunning 3.40 ct natural Australian black opal, expertly set in a solid 10k yellow gold bezel. The o

2 days Left

Antique 10k Yellow Gold GIA Certified 3.40ct Black Opal Ring

Est. $7,939-$8,931

$2,500

Diamond DepotNew York, NY

Antique Edwardian Gold Platinum GIA Black Opal Diamond Halo Ring: Antique Edwardian Gold Platinum GIA Black Opal Diamond Halo Ring This exquisite Antique Edwardian ring features a stunning natural black opal at its center, showcasing a mesmerizing harlequin pattern

5 days Left

Antique Edwardian Gold Platinum GIA Black Opal Diamond Halo Ring

Est. $26,792-$30,141

$8,900

Diamond DepotNew York, NY

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

3 days Left

Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina Ring

Est. $6,441-$7,246

$2,550

Diamond DepotNew York, NY

Antique Edwardian Gold Platinum GIA Black Opal Diamond Halo Ring: Antique Edwardian Gold Platinum GIA Black Opal Diamond Halo Ring This exquisite Antique Edwardian ring features a stunning natural black opal at its center, showcasing a mesmerizing harlequin pattern

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Antique Edwardian Gold Platinum GIA Black Opal Diamond Halo Ring

$15,850

Diamond DepotNew York, NY

Antique 14K Yellow Gold Large Black Opal Brooch with Diamonds and Emeralds: Antique 14K Yellow Gold Large Black Opal Brooch with Diamonds and Emeralds Crafted in glowing 14K yellow gold, this elegant vintage brooch features a lustrous opal center that shimmers with iridescent

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Antique 14K Yellow Gold Large Black Opal Brooch with Diamonds and Emeralds

$9,000

Eastern European Art Gallery IncBroomall, PA

Platinum 5.50ct GIA Australian Black Opal Diamond Cocktail Ring: Platinum 5.50ct GIA Australian Black Opal Diamond Cocktail Ring This exquisite cocktail ring features a stunning 5.00ct natural Australian oval black opal, beautifully showcased with a play of colors

5 days Left

Platinum 5.50ct GIA Australian Black Opal Diamond Cocktail Ring

Est. $15,600-$17,550

$4,400

Diamond DepotNew York, NY

Angela Cummings 18K Yellow Gold Fire Opal Black Jade Earrings 1986: Angela Cummings 18K Yellow Gold Fire Opal Black Jade Earrings 1986 These exquisite earrings by Angela Cummings feature a stunning combination of fire opal and black jade, set in luxurious 18K yellow g

4 days Left

Angela Cummings 18K Yellow Gold Fire Opal Black Jade Earrings 1986

Est. $17,526-$19,717

$5,500

Diamond DepotNew York, NY

Platinum Ring with 3.47ctw Black Opal and Trillion Cut Diamond Accents: Platinum Ring with 3.47ctw Black Opal and Trillion Cut Diamond Accents This platinum cocktail ring features a natural black opal with blue and green play of color, cut in an oval cabochon shape and pr

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Platinum Ring with 3.47ctw Black Opal and Trillion Cut Diamond Accents

$2,310

BidhausNew York, NY

Vintage 14k Gold Drop Earrings With Opal and Black Enamel Scrollwork: Vintage 14k Gold Drop Earrings With Opal and Black Enamel Scrollwork These authentic vintage drop earrings are crafted from solid 14k yellow gold and feature an intricate scrollwork design with black

3 days Left

Vintage 14k Gold Drop Earrings With Opal and Black Enamel Scrollwork

Est. $2,990-$3,887

$2,300

BidhausNew York, NY

Platinum GIA Certified 3.65ct Black Opal Diamond Halo Ring: Platinum GIA Certified 3.65ct Black Opal Diamond Halo Ring This exquisite cocktail ring showcases a stunning elongated oval black opal, certified by GIA, and is beautifully framed by a halo of natural

5 days Left

Platinum GIA Certified 3.65ct Black Opal Diamond Halo Ring

Est. $11,149-$12,543

$3,200

Diamond DepotNew York, NY

Shahla 14k Yellow Gold Black Opal Emerald Aquamarine Diamond Stick Pin: Shahla 14k Yellow Gold Black Opal Emerald Aquamarine Diamond Stick Pin This exquisite stick pin showcases a stunning array of natural gemstones set in luxurious 14k yellow gold. The focal point is a g

3 days Left

Shahla 14k Yellow Gold Black Opal Emerald Aquamarine Diamond Stick Pin

Est. $4,836-$5,440

$1,550

Diamond DepotNew York, NY

Vintage GIA Certified 6.72ctw Black Opal Diamond Halo Platinum Ring: Vintage GIA Certified 6.72ctw Black Opal Diamond Halo Platinum Ring This exquisite vintage cocktail ring showcases a stunning 6.72ctw black opal surrounded by a brilliant diamond halo. The main stone

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Vintage GIA Certified 6.72ctw Black Opal Diamond Halo Platinum Ring

$7,520

Diamond DepotNew York, NY

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

$7,440

Mynt AuctionsNew York, NY

Cabochon Black Opal and Diamond Knot Ring in Platinum and 18k Yellow Gold: Cabochon Black Opal and Diamond Knot Ring in Platinum and 18k Yellow Gold This elegant women's cocktail ring features a natural oval cabochon black opal with blue color on a black background, weighing

20 hrs Left

Cabochon Black Opal and Diamond Knot Ring in Platinum and 18k Yellow Gold

Est. $3,787-$4,261

$1,325

Diamond DepotNew York, NY

KARIN TREMONTI ETRUSCAN 18K YELLOW GOLD AUSTRALIAN BLACK OPAL & DIAMOND RING: KARIN TREMONTI ETRUSCAN 18K YELLOW GOLD AUSTRALIAN BLACK OPAL & DIAMOND RING Designer Karin Tremonti Etruscan 18k Yellow Gold Australian Black Opal & Diamond Ring Ring Size 11- Can Be Resized Weight i

May 31, 2026

KARIN TREMONTI ETRUSCAN 18K YELLOW GOLD AUSTRALIAN BLACK OPAL & DIAMOND RING

Est. $6,791-$7,590

$5,500

Modern JewelryValley Village, CA

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

3 days Left

Platinum 1.67ct Black Opal Diamond Cocktail Ring

Est. $2,696-$3,033

$870

Diamond DepotNew York, NY

VTG MODERNIST BRUTALIST 18K YELLOW GOLD AUSTRALIAN BLACK OPAL DIAMOND RING 28.7G: VTG MODERNIST BRUTALIST 18K YELLOW GOLD AUSTRALIAN BLACK OPAL DIAMOND RING 28.7G Vtg Modernist Brutalist 18k Yellow Gold Australian Black Opal & .60ctDiamond Ring 28.7g Ring Size: 6 Weight is 28.7 Gra

May 31, 2026

VTG MODERNIST BRUTALIST 18K YELLOW GOLD AUSTRALIAN BLACK OPAL DIAMOND RING 28.7G

Est. $7,650-$8,550

$6,300

Modern JewelryValley Village, CA

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

$4,710

Diamond DepotNew York, NY

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

$2,890

Diamond DepotNew York, NY

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