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 - 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
Sold2022Antique Opal Cameo Diamond Platinum BroochAntique black opal cameo set atop onyx set in platinum and 18kt white gold with diamonds. Width 1 3/8;; total weight 7.5 grams Condition: Two tight fissures in onyx at 12 and 6, perhaps intentionalSee Sold Price
Sold2017Platinum 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
Sold2017LADIES PLATINUM DIAMOND BLACK OPAL COCKTAIL RINGLADIES PLATINUM DIAMOND BLACK OPAL COCKTAIL RING Ladies .900 Platinum diamond cocktail fashion ring with oval cut black opal center stone. Diamond carat weight total is approximately .40cts, opal measSee Sold Price
Sold2022PERIOD EDWARDIAN PLATINUM AND DIAMOND BROOCHAntique handmade, ribbon form brooch set with Old Mine cut and Old European cut round brilliant diamonds. Bezel set in the center is one elongated pear shape diamond, measuring .66ct. Clarity SI1, ColSee Sold Price
Sold2022An Edwardian platinum and diamond brooch pendantAn Edwardian platinum and diamond brooch pendant centering an old European-cut diamond weighing approximately 1.25 carats; accented by single and old European-cut diamonds; total remaining diamond weiSee Sold Price
Sold2023Edwardian Platinum and Diamond BroochDESCRIPTION: A Edwardian Platinum brooch composed of two concentric circles with a center stem decorated with old minor diamonds, ranging from .20cts - .05cts. Total Weight: 3.1 dwt CIRCA: 20th CenturSee Sold Price
Sold2018Edwardian Platinum and Diamond Brooch/PendantEdwardian Platinum and Diamond Brooch/Pendant ca. 1910, the circular platinum brooch with an openwork lacy pattern set with a central old European-cut diamond, surrounded by smaller European-cut diamoSee Sold Price
Sold2024Edwardian Platinum 2.5C Diamond Estate BroochEdwardian Platinum and Yellow Gold 2.5 Carat Total Weight Round Cut Diamond Estate Brooch with 1- 3/8 Carat Center Stone, 1/4 Carat of Stone on Each Side and 1 Carat of Accent Stones. Measures 2 incheSee Sold Price
Sold2020Edwardian Platinum Tsavorite Garnet Diamond BroochElegant antique Edwardian ladies brooch pin. Filigree platinum with collet-set diamonds. Center set with a Tsavorite green garnet of approximately 3.5mm. Secure ban back. Unmarked, x-ray verified PlatSee Sold Price
Sold2023$42000 Edwardian Diamond & Platinum Brooch, Pendant$42852 Spectacular Edwardian antique diamond and platinum brooch with 6.68 carats of diamonds! 17.1 grams of platinum. Circa 1910. You won't find another like it anywhere. Complete with appraisal of $See 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
Sold2022An Edwardian Platinum 18K Diamond and Pearl BroochEdwardian platinum topped 18K, 1.43 CTW diamond and pearl brooch. Diamonds: Old European Cut, Old Minor Cut, Swiss Cut Color: G-H Clarity: VS2-SI1 OMC Carat Weight: 0.46 ct OEC Carat Weight: 0.53 ctSee Sold Price
Sold2021Black Opal Platinum Diamond Ring2.19 very fine Australian black opal with platinum settings and 0.44 Diamonds F-VSSee Sold Price
Sold2016Edwardian Platinum Diamond Pearl Red Stone Brooch PinPlatinum brooch is decorated with diamonds, red stones and pearl. Brooch measures 34mm x 27mm . One diamond and one red stone are missing. Tested platinum. Weight is 5.4 grams.Gemstones have not beenSee 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
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
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
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
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
May 31Miami Auctions & Appraisals LLC 11.52cts GIA Black opal Diamond Platinum Halo Cocktail RingUS$9,000
May 28Miami Auction GalleryGIA 2.79ct Natural Black Opal Diamond Platinum Ballerina Cocktail RingUS$5,600
May 31Miami Auctions & Appraisals LLC Estate GIA Large Black Opal Diamond Platinum Cocktail Ballerina RingUS$34,500
May 31Miami Auctions & Appraisals LLC GIA 7.53ct Black Opal Diamond Platinum Oval Cocktail RingUS$9,300
2 days LeftColasanti Casa D'AstePlatinum, yellow gold, diamonds and black onyx Decò brooch€900
1 day LeftFederal Assets AuctioneersAntique Krementz Edwardian Platinum Top 14k Gold Diamond Etched Bar Pin BroochUS$1
4 days LeftBidhausDavid Webb Platinum & 18K Yellow Gold Diamond Tiger And Black Enamel BroochUS$10(1 bid)
2 days LeftLuxe Auctioneers, IncEDWARDIAN PLATINUM, DIAMOND GOLD AND ENAMEL LORGNETTE MONOCLE, CIRCA 1915US$500
4 days LeftGWS Auctions Inc.J.E. Caldwell 12.50ct Opal, 0.80ctw Diamond, Platinum RingUS$3,000(1 bid)
3 days LeftSeized Assets AuctioneersAntique Edwardian Platinum Top 18k Gold 0.55 ctw Diamond Milgrain Bar Pin BroochUS$1