14K White Gold Australian Black Opal and Diamond Solitaire Ring Size 6.5Mynt Auctions4.4(818)$100Feb 04, 2026
2.02 CTTW Australian Black Opal and Diamond Platinum Ring sz 5.5Gallery 634.6(246)$30(2 bids)2 days Left
Platinum Ladies Ring with 4.02ct Black Opal and 0.72tcw Adjacent DiamondsRiverside Galleries4.5(197)$505 days Left
Platinum Setting with 4.68ct Opal and 1.76ct Diamond Ladies RingRiverside Galleries4.5(197)$504 days Left
18K WHITE GOLD OPAL RING WITH 0.30CTS OF DIAMONDS SIZE: 8 2.2GModern Jewelry4.5(203)$1,275Feb 22, 2026
14K White Gold 15.65ct Opal 1.17ct Sapphire and 1.89ct Diamond RingRiverside Galleries4.5(197)$503 days Left
14K WHITE GOLD RING SET WITH NATURAL OPAL AND 0.06CTS DIAMONDS SIZE: 6.25 3.3GModern Jewelry4.5(203)$650Feb 08, 2026
Platinum Setting with 3.33ct Opal and 0.55ct Diamond Ladies RingRiverside Galleries4.5(197)$502 days Left
SoldPlatinum 16.04 ct Black Opal & Diamond RingPGL Digital Appraisal Retail Replacement Value $10,740 Natural opal weighing 15.91 carats Natural Diamonds Carat Weight: .13Color Grade: H-I Clarity Grade: SI1-SI2 Size 6.75 370710-2151 NOTE: PGL ApprSee Sold Price
SoldPlatinum 5.40 ct Black Opal & Diamond RingPGL Digital Appraisal Retail Replacement Value $13,995 Natural opal weighing 3.70 carats Natural Diamonds Carat Weight: 1.70Color Grade: H - I Clarity Grade: SI1 - SI2 Size 5.75 366869-2491 NOTE: PGLSee Sold Price
SoldPlatinum 2.36 ct Black Opal & Diamond Halo RingVintage Platinum Black Opal & Diamond Halo Ring - 2.36 ct Center - 0.56 ct VS/G Diamonds - Estate A rare and captivating vintage ring, this piece features a 2.36-carat natural black opal, set in solidSee Sold Price
SoldFINE Black Opal 3.25 CT TW Diamond Platinum RingStunning large exceptional quality black Australian opal and diamond ring. Crafted out of platinum. Features a large natural solid black opal cabochon with an explosion of colors ranging from green, bSee Sold Price
SoldVintage Platinum 3.83ct Black Opal Diamond RingVintage Platinum Black Opal & Diamond Ring - 3.83 ct Center - G/VS Halo - Rare Collector's Piece A museum-grade vintage platinum estate ring centering on a 3.83-carat natural black opal of exceptionalSee Sold Price
SoldPlatinum, Black Opal and Diamond RingOne oval black opal ap. 7.00 cts., 10 round diamonds ap. .30 ct. Size 7 1/4. Black opal: overall medium deep slightly grayish violetish blue, green, yellow and red flashes, moderate crazing, good polSee Sold Price
SoldPlatinum, Black Opal and Diamond RingPlatinum, Black Opal and Diamond Ring, center oval cabochon opal, wt. approx. 2.53 ct.; bezel and shoulders set with 44 round brilliant cut diamonds, total wt. approx. 0.68 ct.; size 6.75; GGA report.See Sold Price
Sold1970's Platinum Black Opal & Diamond Ring1970's Platinum Black Opal & Diamond Ring. The ring is centrally set with a large oval cabochon cut black peacock opal. It exhibits a fine blue to green harlequin play of color. It weighs approx. 5.99See Sold Price
SoldHigh-End 14K Gold 7 CT Black Opal & Diamond Ring with CertificateAll pictures are real shot photography. You get what you see Ref:1216004 Gold Content:14K Rose Gold For people:Women Ring Size:7.25us Main Stone:Black Opal Number of stones:1 Shape:Pear Carat Total WtSee Sold Price
SoldPlatinum Black Opal Diamond RingMETAL: Platinum. MEASUREMENTS: Ring size - 7.75, ring top is 15.6mm wide. GEMSTONES: Black opal - 15.6mm x 12mm x 5.1mm (stone has small chips/abrasions). Diamonds approx. 0.50ctw. MARKED: with polishSee Sold Price
SoldHigh-End 14K Gold 3.6 CT Black Opal & Diamond Ring with CertificateAll pictures are real shot photography. You get what you see Ref:1216007 Gold Content:14K White Gold For people:Women Ring Size:7.25us Main Stone:Black Opal Number of stones:1 Shape:Oval Carat Total WSee Sold Price
SoldVintage Platinum Natural Black Opal Diamond RingVintage Platinum Black Opal & Diamond Ring - 1.48ct Center - 0.70ct VS/G Accents - Rare Estate Piece A refined vintage platinum ring showcasing a 1.48-carat natural black opal in an elongated oval cabSee Sold Price
SoldTiffany & Co. Platinum, Black Opal and Diamond Ring, Shank size: 8Tiffany & Co. Platinum, Black Opal and Diamond RingCentered with one oval cabochon black opal measuring approximately 12.25 x 10.30 x 5 mm, surrounded by twelve round brilliant-cut diamonds weighing aSee Sold Price
SoldGold, Platinum, Black Opal and Diamond Ring18 kt., one oval black opal ap. 7.00 cts., 7 round and 17 marquise-shaped diamonds ap. 3.00 cts., signed EZ, ap. 9.2 dwts. Size 6 3/4. Opal: dark blue with strong green and blue flashes,See Sold Price
SoldPlatinum 1.68ct Black Opal Diamond Ballerina RingMETAL: Platinum. MEASUREMENTS: Ring size 5.25, top is 16mm x 15mm. GEMSTONES: Black opal - 1.68ct, Diamonds 1.02ctw. MARKED: pt900, 1.68, 1.02. WEIGHT:6.8 grams. Gemstones have not been graded for colSee Sold Price
SoldPlatinum 4.21 ct Natural Opal & Diamond RingPGL Digital Appraisal Retail Replacement Value $7,160 Natural opal weighing 3.30 carats Natural Diamonds Carat Weight: .91Color Grade: G-H Clarity Grade: SI1-SI2 Size 6.5 10 grams 404047-771NOTE: PGLSee Sold Price
SoldPlatinum 1.61 ct Natural Opal & Diamond RingPGL Digital Appraisal Retail Replacement Value $3,985 Natural opal weighing 1.25 carats Natural Diamonds Carat Weight: .36Color Grade: H-I Clarity Grade: SI2-I1 Size 7.5 6.17 grams 398668-401NOTE: PGLSee Sold Price
SoldGIA 1.88ct Natural Black Opal Platinum Diamond RingMetal : Platinum Designer : Not Signed Gemstone : GIA natural black opal - 1.88ct, measures 12.03 x 9.31mm. Diamonds 0.67ctw. Measurements : Ring size 6, top is 14mm x 16mm. Marked: : ptSee Sold Price
SoldBlack Opal Platinum Diamond Ring2.19 very fine Australian black opal with platinum settings and 0.44 Diamonds F-VSSee Sold Price
SoldPLATINUM OPAL & DIAMOND RINGIntroducing the Platinum (PLAT) Natural Black Opal and Diamond Ring by Oscar Friedman, a symbol of exquisite beauty and luxury. This stunning ring features an oval cabochon-cut natural black opal gemsSee Sold Price
SoldPlatinum 4.90ct Lightning Ridge Black Opal & 1.08ctw Diamond Ring, 6.254.90ct Cabochon Oval Lightning Ride Black Opal with excellent play of color & multiple displays of patterns In Platinum setting with 1.08ctw Near-colorless round brilliant natural diamond halo SizSee Sold Price
SoldBlack Opal, Diamond, Platinum Ring, Ayres The rBlack Opal, Diamond, Platinum Ring, Ayres The ring features a pear-shaped black opal cabocSee Sold Price
SoldBlack Opal, Diamond, Platinum, Gold Ring The riBlack Opal, Diamond, Platinum, Gold Ring The ring features an oval-shaped black opal cabocSee Sold Price
SoldPlatinum Diamond Black Opal RingMETAL: Platinum. GEMSTONES: Diamonds, Black opal - 25mm x 16.8mm. (opal has fine line scratches). MEASUREMENTS: Ring size 7. MARKED: LRW, PLAT. WEIGHT: 9.9 grams. Gemstones have not been graded for coSee Sold Price
