Sold20192.30ct Black Opal Plat Pendant W/18K Chain2.30ct Black Opal, 0.30ctw VS1-VS2/G-H Diamond & Solid Platinum Pendant on Adjustable 18K White Gold Chain - This beautiful necklace is comprised of a 1" solid platinum pendant which hangs on an 18" sSee Sold Price
Sold202013mm Black Opal & 18K 18" Necklace W/Diamond Accents13mm Black Opal & Solid 18K White Gold 18" Necklace W/Diamond Accents - This lovely necklace was finely crafted of solid 18k white gold and is comprised of a 0.75" pendant which hangs on an 18" chain.See Sold Price
Sold2017Black Opal Slate, 1ctw Diamond & Platinum Ring18.5mm Black Opal Slate, 1.00ctw VS1-VS2/F-G Diamond & Solid Platinum Cocktail Ring W/Emerald Accents - This beautiful ring was finely crafted of solid platinum, and boasts a lovely, 18.5mm black opalSee Sold Price
Sold20215.90ct Black Opal, 2.00ctw Diamond Platinum Ring5.90ct Black Opal, 2.00ctw VS2-SI1/G-H Diamond Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts a 5.90ct (approximate) genuine black opal which displays an exqSee Sold Price
Sold20213.50ct Black Opal, 2.00ctw Diamond & Platinum Ring3.50ct Black Opal, 2.00ctw SI1-SI2/G-H Diamond and Solid Platinum Ring - This ring is crafted of solid platinum and boasts an approximately 3.50ct black opal which displays beautiful flashes of greenSee Sold Price
20215.85ct Black Opal, 0.85ctw Diamond Platinum Ring5.85ct Black Opal, 0.85ctw VS1-VS2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and is decorated with a 5.85ct (approximate) black opal which displays a blacSee Sold Price
Sold20212.15ct Black Opal, 0.95ctw Diamond Platinum Ring2.15ct Black Opal, 0.95ctw VS1-VS2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts a 10.5mm round cut black opal which displays beautiful vivid flashSee Sold Price
Sold20203.70ct Black Opal, 0.95ctw Diamond Platinum Ring3.70ct Black Opal, 0.95ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This ring was finely crafted of solid platinum and boasts a 3.70ct (approximate) oval shaped black opal which displays an exquisiteSee Sold Price
Sold20202.75ct Black Opal, 1.25ctw Diamond Platinum Ring2.75ct Black Opal, 1.25ctw VS2-SI1/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts an approximately 2.75ct oval-shaped black opal which displays an eSee Sold Price
Sold20212.20ct Black Opal, 1.30ctw Diamond Platinum Ring2.20ct Black Opal, 1.30ctw VS2-SI1/G-H Diamond Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts an approximately 2.20ct black opal. The opal displays a beautifSee Sold Price
Sold20202.45ct Black Opal, 0.50ctw Diamond Platinum Ring2.45ct Black Opal, 0.50ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This ring was finely crafted of solid platinum and boasts an approximately 2.45ct oval shaped black opal which displays a beautifulSee Sold Price
Sold202113.5mm Black Opal, 0.50ctw Diamond Platinum Ring13.5mm Black Opal, 0.50ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This ring is made of solid platinum and boasts a 13.5mm black opal center. The ring is then finished with approximately 0.50ctw SI1See Sold Price
Sold2017FINE 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
Sold2021Australian Black Opal & Diamond Set Platinum PendantDESCRIPTION: An antique black opal pendant necklace. Features a 16-18 Carat Opal, further completed with diamond set platinum bow in a 14kt yellow gold setting. Complete with a 14kt yellow gold box chSee Sold Price
Sold2020Diamond Opal and Sapphire NecklaceCrafted in platinum and 18K gold; set with a trapezoid cabochon-cut black opal, measuring approximately 12.40 x 9.30 x 4.65 mm; lozenge-shaped sapphire, weighing approximately 2.60 carats; accented bySee Sold Price
Sold2022Edwardian Platinum 14k Gold Black Opal Pin Hardy Bros.Edwardian Era Platinum Topped 14k Gold Natural Black Opal Diamond Bar Pin Hardy Bros Brisbane Australia w/ Original Box Description: Genuine Edwardian Era long bar pin made in solid 14k gold with a plSee Sold Price
Sold2021NO RESERVE - A BLACK OPAL AND DIAMOND PENDANT NECKLACE,NO RESERVE - A BLACK OPAL AND DIAMOND PENDANT NECKLACE, CIRCA 1910, Made in 15 carat yellow gold, platinum and 18 carat yellow gold, the chain later added, Oval cabochon black opal, weighing approximaSee Sold Price
Sold2015Bulgari "Bvlgari" 18kt Yellow Gold Black Onyx ThreeUp for your viewing is a stunning Necklace by Bvlgari, it is crafted in solid 18kt yellow gold and black Onyx, each staion is 13mm stations inset with smooth jet black Onyx and bordered with engravedSee Sold Price
Sold2024GIA 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
Sold2023Vintage 18k Gold and Australian Black Opal NecklaceDESCRIPTION: A Vintage beaded necklace crafted with oblon and spherical Black Australian opal, completed with a 18k yellow gold closure, stamped "18k". Total Weight: 202 carats CIRCA: Mid 20th CenturySee Sold Price
Sold2021HEAVY 18KT Y GOLD & BLACK OPAL NECKLACE16" Choker necklace, in 18kt yellow gold. Large oval black opal, with 2 smaller accent opals. Property of a Palm Beach lady . total weight 34.55 dwtSee Sold Price
Sold2021Black Opal Platinum Diamond Ring2.19 very fine Australian black opal with platinum settings and 0.44 Diamonds F-VSSee Sold Price
Sold2021Black Opal Necklace Pendant with DiamondsBlack Opal Center in an interesting geomatric cut with vibrant neon greens and blues. 0.12 carats of diamonds on the sides on 14K yellow gold setting. Simple gold chain included.See Sold Price
Sold2016Natural Ethiopian Black Opal Necklace 22.60 caratsGem Type-Natural Black Opal;Weight-22.6CT;Length- Approx 430mm;Treatment-Heated;Bead Size-3x3mm;Color-Multi Color...Origin-Ethiopia;See Sold Price
3 days LeftMiami Auctions & Appraisals LLC GIA 7.53ct Black Opal Diamond Platinum Oval Cocktail Ring$9,300
2 days LeftSeized Assets AuctioneersSolid Platinum 18K Yellow Gold 3.69 ctw Oval Opal & Diamond Halo Pendant Necklac$1
3 days LeftMiami Auctions & Appraisals LLC 11.52cts GIA Black opal Diamond Platinum Halo Cocktail Ring$9,000
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Jun 06Elmwood'sAN ART DECO BLACK OPAL AND DIAMOND RING in platinum, set with an oval cabochon black opal, the£12,000
Jun 13DOYLE Auctioneers & AppraisersDouble Strand Opal Bead Necklace with Gold, Platinum and Diamond Clasp$750(1 bid)
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Jun 08Auktionshaus SchreiberSolid necklace with pendant. 750 yellow gold with 2 diamonds and 1 opal cabochon.€1,200