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
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
Sold2018Arts and Crafts Black Opal, Diamond, Enamel, GolArts and Crafts Black Opal, Diamond, Enamel, Gold Necklace, Marcus & Co. The necklaceSee Sold Price
Sold2017Arts and Crafts Black Opal, Diamond, Enamel, GolArts and Crafts Black Opal, Diamond, Enamel, Gold Necklace, Marcus & Co. The necklaceSee Sold Price
Sold2023Art Nouveau Black Opal, Diamond and Demantoid Garnet Necklace 14KStunning Art Nouveau Black Opal Diamond and Demantoid Garnet Necklace 14K Gold. Articulated pendent supporting two fancy-cut black opals, accented by old mine-cut diamonds and demantoid garnets. &bullSee Sold Price
Sold2018BLACK OPAL, DIAMOND & WHITE GOLD PENDANT NECKLACEThe pear-shaped opal, 15.40 x 10.54 mm, within a nest of RBC diamond, approx. .33 ct. TW. and bright gold wire, on braided chain. 14k. 1 1/2" x 3/4", 18". 4.4 dwt.See 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
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
Sold2016Silver/Gold Vermeil, Opal and Diamond NecklaceBeautiful Silver/Gold Vermeil, Opal and Diamond Necklace, composed of thirty-three oval links, each mounted with an oval cabochon-cut black opal, with an approximate total weight of 18.25 carats, andSee Sold Price
Sold202114K Gold 4.8 Carat Tanzanite Diamond Opal NecklaceCrafted of 14k gold. Center pendant set with a 10mm trillion cut deep purple blue Tanzanite gemstone of approximately 4.8 carats. Surmounted and flanked by Gilson black opal gemstones. Accented by rouSee Sold Price
Sold2017Antique Art Nouveau 14kt Diamond & Opal PendantAntique Art Nouveau 14kt Diamond & Opal Necklace Pendant. Set with two diamonds and a pear shaped doublette black opal. Measures 1.5 inches in length. Hallmarked. Black enamel detail.See 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
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
Sold2022Vintage 14K Diamond & Opal Abstract PendantThis is such a pretty and interesting necklace pendant that is artist marked with the letter S and 14K. Inlay of black opal and pave' set diamonds. Comes in a gold tone box from Canada, dated 1983. BoSee Sold Price
Sold201814K YELLOW GOLD TANZANITE & OPAL NECKLACE14K YELLOW GOLD TANZANITE & OPAL NECKLACE 14K yellow gold pendant with 5.5mm trillion cut tanzanite, inlaid black opal, and accented with .001ct round diamonds. Suspended on a snake chain. Weight: 7.8See Sold Price
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
Sold2023GIA 5.51 G BOULDER OPAL PENDANT NECKLACE W/PAPERSGIA certified 5.51 G boulder opal pendant hung on an 18K yellow gold black diamond beaded necklace. Center stone set in a white + yellow metal pendant w/numerous near colorless round brilliants. MeasuSee Sold Price
Sold2022An Opal & Diamond Necklace in 22K by Gurhan22K yellow gold necklace by Gurhan Orhan, Turkey, featuring large round textured disc pendant with variously shaped bezel set Australian opals, width of pendant 1.5 in. W, custom chain set with 90 diaSee Sold Price
Sold2018Fine Australian Black Opal & Diamond Pendant in YellowFine Australian Black Opal & Diamond Pendant in 14K Yellow Gold includes 14K Gold Chain 11.25ctw * (estimate/approximately)See Sold Price
Sold2016Art Deco Platinum Black Opal & Diamond PendantArt Deco Platinum Black Opal & Diamond Pendant. It features a drop design centrally set with a massive pear shaped black opal. It exhibits a harlequin peacock play-of-color and measures 31.00mm x 21.0See 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
Sold2016Black Opal, Diamond, Platinum Ring, Ayres The rBlack Opal, Diamond, Platinum Ring, Ayres The ring features a pear-shaped black opal cabocSee Sold Price
Sold2017ESTATE BLACK OPAL, DIAMOND, ENAMEL, 14KT GOLD RINGLadies fine estate ring, a 14kt yellow gold, diamond and black opal ring containing: (12) Old Mine cut diamonds, approx 0.85ct tw, average clarity: SI2, color: J; (1) natural flat opal of oval form, aSee 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
3 days LeftElmwood'sAN ART DECO BLACK OPAL AND DIAMOND RING in platinum, set with an oval cabochon black opal, the£12,000
4 days LeftGolden Gate Auctioneer5.13 ctw Certified Opal & Diamond Victorian Necklace 14K White GoldUS$1(1 bid)