Sold2023A VINTAGE BLACK OPAL DRESS RING in yellow gold, set with a round cabochon opal, full BritishA VINTAGE BLACK OPAL DRESS RING in yellow gold, set with a round cabochon opal, full British hallmarks for London 1974, size O / 7.25, 5.5g. See Sold Price
Sold2022A FINE ART DECO BLACK OPAL AND DIAMOND RING in white gold, set with a pear shaped cabochon opalA FINE ART DECO BLACK OPAL AND DIAMOND RING in white gold, set with a pear shaped cabochon opal accented by round cut diamonds, no assay marks, size I / 4.5, 3.5g.See Sold Price
Sold20161970'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
Sold2015An Opal and Diamond Ring.An Opal and Diamond Ring. 14 karat yellow gold ring contains one prong set oval cabochon opal which is aurrounded by ten prong set round diamonds, which are surrounded by a single band of black enamelSee Sold Price
Sold2022A BLACK OPAL DOUBLET DRESS RING in 9ct yellow gold, the ring set a black opal doublet to a stylisedA BLACK OPAL DOUBLET DRESS RING in 9ct yellow gold, the ring set a black opal doublet to a stylised yellow gold band, full British hallmarks, size Q / 8.25, 3.7g. See Sold Price
Sold2023A BLACK OPAL AND DIAMOND PENDANT in 18ct yellow gold, set with a cabochon black opal of 3.40 carats,A BLACK OPAL AND DIAMOND PENDANT in 18ct yellow gold, set with a cabochon black opal of 3.40 carats, the bail accented by three round cut diamonds, stamped 18K, 2.2cm, 1.4g.See Sold Price
Sold2022AN OPAL AND DIAMOND DRESS RING in 18ct yellow and white gold, set with an oval cabochon opalAN OPAL AND DIAMOND DRESS RING in 18ct yellow and white gold, set with an oval cabochon opal accented by round brilliant and princess cut diamonds, the diamonds all totalling 1.2-1.4 carats, British hSee Sold Price
Sold2022AN OPAL AND DIAMOND CLUSTER DRESS RING in yellow gold and silver, set with an oval cabochon opalAN OPAL AND DIAMOND CLUSTER DRESS RING in yellow gold and silver, set with an oval cabochon opal within a border of old cut diamonds, no assay marks, size N / 6.5, 4.6g.See Sold Price
Sold2021AN ANTIQUE OPAL AND DIAMOND DRESS RING, 19TH CENTURY inAN ANTIQUE OPAL AND DIAMOND DRESS RING, 19TH CENTURY in 18ct yellow gold, set with a central round cabochon opal between two kite shaped cabochon opals, the central opal within a border of old cut diaSee Sold Price
Sold2020AN OPAL AND DIAMOND DRESS RING in high carat yellowAN OPAL AND DIAMOND DRESS RING in high carat yellow gold and silver, set with an oval cabochon opal within a border of rose cut diamonds, with stylised decoration to the band, unmarked, size N / 7, 3.See Sold Price
Sold2022AN ANTIQUE OPAL AND DIAMOND DRESS RING in 18ct yellowAN ANTIQUE OPAL AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of graduated oval cabochon opals, accented by pairs of old European brilliant cut diamonds, full British hallmarks (partly oSee Sold Price
Sold2020AN ANTIQUE OPAL AND DIAMOND DRESS RING in high caratAN ANTIQUE OPAL AND DIAMOND DRESS RING in high carat yellow gold, the face set with five graduated oval cabochon opal accented by single cut diamonds, with textured decoration to the band, unmarked, sSee Sold Price
Sold2021ANTIQUE BLACK OPAL AND DIAMOND RING, EARLY 20TH CENTURYANTIQUE BLACK OPAL AND DIAMOND RING, EARLY 20TH CENTURY mounted in yellow gold, claw-set with an oval black opal measuring 14.8 x 10.5mm,and weighing approximately 3.36 caarts, within a border of circSee Sold Price
Sold2018Black & Fire Opal Earrings + Opal & Diamond RingTwo pair of opal earrings, together with an opal and diamond ring. The largest earring pair composed of 18K yellow gold set with oval black opals of approximately .70 carats each. Overall earring measSee Sold Price
Sold2021NO RESERVE - AN OPAL AND DIAMOND DRESS RINGNO RESERVE - AN OPAL AND DIAMOND DRESS RING, Made in yellow gold and platinum, Oval cabochon opal, weighing approximately 1.50 carats, Single cut diamonds, Stamped Plat,Size N / 6.75, Weight 2.0 gramsSee Sold Price
Sold2022A BLACK OPAL AND DIAMOND PENDANT AND CHAIN in 18ct yellow gold, the pendant set with a pear shapedA BLACK OPAL AND DIAMOND PENDANT AND CHAIN in 18ct yellow gold, the pendant set with a pear shaped cabochon black opal in a border of round brilliant cut diamonds, accented by a further round brillianSee Sold Price
Sold2018Black Opal, Diamond, Platinum, Gold Ring The riBlack Opal, Diamond, Platinum, Gold Ring The ring features an oval-shaped black opal cabocSee Sold Price
Sold2023AN ANTIQUE OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cabochon opalAN ANTIQUE OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cabochon opal in a cluster of rose cut diamonds, stamped 18CT & PLATINUM, size M / 6.25, 2.7g. See 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
Sold2021NO RESERVE - AN ANTIQUE BLACK OPAL AND DIAMOND BARNO RESERVE - AN ANTIQUE BLACK OPAL AND DIAMOND BAR BROOCH, CIRCA 1910, Made in yellow gold and platinum, Oval cabochon black opal, weighing approximately 1.61 carats, Single cut and rose cut diamonds,See Sold Price
Sold2023AN ANTIQUE OPAL AND DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set withAN ANTIQUE OPAL AND DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with three cabochon opals, accented by round cut diamonds, stamped 18CT & PT, size L / 5.75, 2.7g.See Sold Price
Sold2021BLACK OPAL AND DIAMOND RINGBLACK OPAL AND DIAMOND RING Containing one oval cabochon black opal measuring 10.85 x 9.00 mm and 12 round brilliant cut diamonds weighing approximately 1.20 carats total. Mounted in yellow gold. RingSee Sold Price
Sold202318Kt Gold Ring with 15.5 carat Black Opal and Diamonds18 karat yellow gold ring with one oval cabochon semi-Black Opal with gray background that weighs 15-1/2 carats. 41 round full cut diamonds at 0.84 NEIMAN MARCUS. Appraised Fair Market Value (FMV) isSee Sold Price
Sold201614 Kt. Gold, Black Opal and Diamond PendantFourteen-Karat Yellow Gold, Black Opal and Diamond Pendant, in a modern design and bezel-set with an oval cabochon black opal, with an approximate weight of 5.75 carats, and two round brilliant-cut diSee Sold Price
5 days LeftElmwood'sA FINE OPAL AND DIAMOND SWEETHEART RING in yellow gold and silver, designed to depict a heart£1,200
13 hrs LeftBidhausDavid Webb Platinum & 18K Yellow Gold Single Round Diamond Bezel Set Black Enamel Ring$10(1 bid)
Jun 24Platinum Auction GroupArt Deco Platinum Diamond Brooch Gold Enamel Amethyst 14k Yellow$300(1 bid)
Jun 24Platinum Auction GroupBuccellati Cabochon Sapphire Diamond 18K Gold Cocktail Ring$2,200(3 bids)
5 days LeftElmwood'sAN ART DECO BLACK OPAL AND DIAMOND RING in platinum, set with an oval cabochon black opal, the£12,000
5 days LeftElmwood'sAN ANTIQUE OPAL, DIAMOND AND ENAMEL BROOCH in platinum and yellow gold, set with a rectangular£1,800
3 days LeftBidhausDavid Webb Platinum & 18K Yellow Gold Single Round Diamond Bezel Set Black Enamel Ring$10
11 hrs LeftDana J. Tharp Auctions14k Yellow Gold Chunky Textured Ring with Opal Cabochon Diamond Surround$300