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
Sold2022Opal diamond set GG 585/000 wiOpal diamond set GG 585/000 with milk opal cabochons 7 - 6,5 mm and 6 brilliants, total 0,55 ct TW-W/VS-SI, pendant l. 23 mm, ear studs l. 26 mm and d. 3,5 mm, 6,3 gSee Sold Price
Sold202310K Gold Opal & Diamond Set Ring, Size 6.10K Gold Opal & Diamond Set Ring, Size 6.See Sold Price
Sold2022FIRE OPAL AND DIAMOND-SET BROOCH; RUBY AND DIAMOND-SET BROOCH, (2)FIRE OPAL AND DIAMOND-SET BROOCH; RUBY AND DIAMOND-SET BROOCH, CIRCA 1970 1st: The abstract spray brooch with beaded and engine-turned decoration, set with fire opal cabochons and brilliant-cut diamonSee Sold Price
Sold2021OPAL AND DIAMOND SETOPAL AND DIAMOND SET Consisting of a pair of earrings containing two oval cabochon opals measuring approximately 10.90 x 9.00 x 6.80 mm and two round brilliant cut diamonds, together with a ring contaSee Sold Price
SoldAn opal and diamond-set cluster ring, in 18ct yellow gold, size J1/2, together with a 9ct yellow golAn opal and diamond-set cluster ring, in 18ct yellow gold, size J1/2, together with a 9ct yellow gold engine-turned toothpick; 8.8 gramsSee Sold Price
Sold202114K Y/G opal diamond ring14K Y/G opal diamond ring set with 7 fine Austrian opals and 7 brilliant cut diamonds, total opal approx. 1.80ct, tdw approx. 0.25ct, wt. 8.1gm, size 7.5See Sold Price
Sold201914K OPAL & DIAMOND RING14K OPAL & DIAMOND RING set with an oval cabochon cut opal approx. 9.2x7.3mm, surrounded by 16 round brilliant cut diamonds approx. 0.34 carats (According to Estate Appraisal: G-H color, SI2 clarity),See Sold Price
Sold2016OPAL & DIAMOND RINGOPAL & DIAMOND RING set with an oval opal approx. 9x7mm, accented with a surround of 12 round diamonds approx. 0.48 carats, white gold setting stamped 14K, size 6.5, 4.1gms.See Sold Price
Sold2017Piaget 18k White Gold Black Opal Dial with Diamond SetPiaget 18k White Gold Black Opal Dial with Diamond Set Bezel Ladies Reference 9329A66 Case Serial 206872. 28mm including bezel. Adjustable mesh bracelet in 18k white gold measures 6 inches. Winds, setSee Sold Price
Sold2022Orianne 14k Gold Opal Diamond Bracelet Ring SetMETAL: 14k Gold. MEASUREMENTS: Bracelet is 7.5" long and 11mm wide. Ring size 7.25, top is 20mm wide. GEMSTONES: Diamonds 3.33ctw, Opal cabochons -13.85ctw . MARKED: Orianne, 14k, OP3.10ct, D0.36See Sold Price
Sold2018Ladies 14k Yellow Gold Opal and Diamond Ring SetLadies 14k yellow gold opal and diamond ring set with center crystal opal measuring approximately 15.41 x 12.03 x 5.85mm and weighing an estimated 6.18 carats and 8 single cut diamonds weighing approxSee Sold Price
Sold202014k Gold Tanzanite Opal Diamond Ring Pendant Set14k yellow gold ring and pendant set with tanzanite, opal, and diamonds. Ring size - 7 1/2. Measurements - 7mm width at top of ring, pendant is 19mm x 10mm. Marked - 14k. Weight - 8.7 grams.See Sold Price
Sold2019ANTIQUE OPAL AND DIAMOND RING set with three graduatedANTIQUE OPAL AND DIAMOND RING set with three graduated oval cabochon opals and old cut diamonds, size M / 6, 6.0g.See Sold Price
Sold2023A PAIR OF OPAL, DIAMOND AND GEM SET EARRINGS. 4.5cm x 2.1cm, weight 14gA PAIR OF OPAL, DIAMOND AND GEM SET EARRINGS. 4.5cm x 2.1cm, weight 14gSee Sold Price
Sold2023An Art Deco single stone black opal ring,An Art Deco single stone black opal ring, An Art Deco single stone black opal ring, with diamond set shoulders. A circular tallow cabochon cut black opal, milligrain set to each shoulder, to a ridgedSee Sold Price
SoldTIFFANY & CO.: AN ANTIQUE GOLD, OPAL, AND DIAMOND PENDANTTIFFANY & CO.: AN ANTIQUE GOLD, OPAL, AND DIAMOND PENDANT Set with old European-cut diamonds, approximate total weight 5.20 carats, and centering a later-added opal, with retractable pendant bail andSee Sold Price
Sold2022A LATE 19TH / EARLY 20TH CENTURY BLACK OPAL AND DIAMOND NECKLACEA LATE 19TH / EARLY 20TH CENTURY BLACK OPAL AND DIAMOND NECKLACE graduated oval black opals suspended from diamond-set knife-edge bars to black opal and diamond swag links, to a diamond-set double barSee Sold Price
Sold2022ANTIQUE OPAL AND DIAMOND PENDANTANTIQUE OPAL AND DIAMOND PENDANT, set with a larger cabochon cut opal to the center, flanked with diamonds, opals and suspending 3 opal and diamond drops. Diamonds totalling approx. 1.60 ct. L. 5.4 cmSee Sold Price
Sold2023ANTIQUE BELLE EPOQUE OPAL AND DIAMOND BROOCHANTIQUE BELLE EPOQUE OPAL AND DIAMOND BROOCH, Set with a large marquise shaped opal of approx. 28 x 9.7 mm. Surrounded with bright and lively diamonds. L. 4 cm. 10.1 grams.See Sold Price
Sold202114.40ct Boulder Opal Diamond Freeform Ring SZ 814.40ct Boulder Opal Diamond Freeform Ring, set in 18k Gold with 2/0.064 1 VS2 Diamonds. 17.7g, approximately 1.3125 x 1 x 0.5625 in.See Sold Price
Sold2021A Platinum Opal and Diamond Ring,A Platinum Opal and Diamond Ring,Set with one cabochon cut opal approx; 15.60mm x 11.4mm x 5mm. Also set with twenty-eight old European cut diamonds, each approx .01-.03pts. Ring size: 7 1/2 Approx. wSee Sold Price
Sold2020Antique opal & diamond ringAntique opal and diamond ring, set in 14kt yellow gold, approx. 1.0 ct oval opal cabochon (frosted), .35 ct. tw. Old European cut diamond sides, sz. 6 3/4, 3.1 grams. New bidders to Smiths - payment fSee Sold Price
Sold2021A 14kt Yellow Gold Opal and Diamond Ring,A 14kt Yellow Gold Opal and Diamond Ring,Set with eight tapered oval cut opal stones. Each approx .40 pts. Also set with two round brilliant cut diamonds, each approx .15 pts. Also set with ten roundSee Sold Price
4 days LeftAdam's AuctioneersAN OPAL, GEM-SET AND DIAMOND COCKTAIL RING The central oval-shaped opal cabochon weighing approxima€0
5 days LeftElmwood'sNO RESERVE - A COLLECTION OF JEWELLERY comprising a pair of blue topaz and diamond drop earrings in£180
May 31Miami Auctions & Appraisals LLC 11.52cts GIA Black opal Diamond Platinum Halo Cocktail RingUS$9,000
May 31Miami Auctions & Appraisals LLC Estate GIA Large Black Opal Diamond Platinum Cocktail Ballerina RingUS$34,500
May 28Miami Auction GalleryGIA 2.79ct Natural Black Opal Diamond Platinum Ballerina Cocktail RingUS$5,600