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
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
Sold2024Antique Diamond, Platinum & 14K Gold BroochA ladys diamond, platinum and medium karat (14k) yellow gold brooch. 64 x 6 millimeter bar brooch has a an open geometric scroll motif and is centered by one .15 carat Old European Cut diamond that isSee Sold Price
Sold2016Antique Platinum Diamond Brooch PinPlatinum brooch features approx. 1.20ctw in diamonds set in platinum. Brooch measures 31mm in diameter. Tested platinum. Brooch weighs 5.3 grams. Gemstones have not been graded for color and clarity ,See Sold Price
Sold2022JE Caldwell Antique Diamond and Emerald Platinum Bar Pin BroochCa. first quarter 20thC. Amazing quality throughout with 68 clear Columbian emeralds and 82 clear full cut diamonds surrounding the large central EVS1 diamond. Weight approx. 12.9 Grams. Measures apprSee Sold Price
Sold2021Antique Oval Emerald, Gold, Diamond and Platinum BroochAntique Natural Oval Emerald, Gold, Diamond and Platinum Brooch. Oval cut emerald approximately 11.3 x 14.3 x 5.9 mm, apprx 5.7 carats. The emerald has natural inclusions and has characteristics of aSee Sold Price
Sold2022Antique Platinum Diamond Jabot Brooch PinMETAL: Platinum. MEASUREMENTS: Brooch is 3.5" long x 17mm wide. GEMSTONES: Diamonds approx. 69 stones total, combination of smaller rose and larger old mine mixed shaped stones. WEIGHT: 8.8 gramsSee Sold Price
Sold2021Rose cut diamond plaque brooch and cushionAntique cut diamond plate brooch in platinum. Brooch made of platinum set with rose cut diamonds in openwork motifs and three illusion claw centers with three antique cushion cut diamonds of approx. 0See Sold Price
Sold2023Magnificent Antique Platinum Diamond Love Birds Brooch with genuine rubies and emeralds 4ctwTitle: Magnificent Antique Platinum Diamond Love Birds Brooch with genuine rubies and emeralds 4ctw Additional Information: Vintage from the 1920s Length: 1.5 Inches Materials: Platinum Gemstone: DiamSee Sold Price
Sold2022Antique Platinum Diamond Sapphire Fish Brooch PinMETAL: Platinum. MEASUREMENTS: Brooch is 44mm x 17mm. GEMSTONES: Sapphire, Emerald, Diamonds approx. 0.70ctw. MARKED: 8990P. WEIGHT: 5.1 grams.Gemstones have not been graded for color and clarity ,andSee Sold Price
Sold2022AN ANTIQUE DIAMOND HARE BROOCH in platinum and yellow gold, set with old mine cut and rose cutAN ANTIQUE DIAMOND HARE BROOCH in platinum and yellow gold, set with old mine cut and rose cut diamonds, accented by a cabochon ruby eye and engraved fur detailing, no assay marks, 3.8cm, 5.8g. AccompSee Sold Price
Sold2022AN ANTIQUE DIAMOND HARE BROOCH in platinum and yellow gold, set with old mine cut and rose cutAN ANTIQUE DIAMOND HARE BROOCH in platinum and yellow gold, set with old mine cut and rose cut diamonds, accented by a cabochon ruby eye and engraved fur detailing, no assay marks, 3.8cm, 5.8g.See Sold Price
Sold2020Antique Platinum Diamond Pearl Horseshoe Brooch PinMETAL: Platinum. Stem is not gold. GEMSTONES: Diamonds approx. 0.10ctw. Pearls. MEASUREMENTS: Brooch is 48mm x 45mm. TESTED: Platinum. WEIGHT: 9.8 grams.Gemstones have not been graded for color and clSee Sold Price
Sold2022Antique Platinum And Diamond BroochCenter Stone Is Approx 1 Ct, Old Mine Cut. H-I. Approx 3.5cts Total. 1 1/2 x 1 3/4. Chain Is 20 Inches Long. Total Weight Of Both Pieces Is 17.2 Grams. Wire Transfer Or In-Person Cashier's Check Are TSee Sold Price
Sold2019Antique 18k Gold Platinum Diamond Bar Brooch PinMETAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 58mm x 4.8mm. Comes with box. GEMSTONES: Old mine and rose cut diamonds approx.1.00-1.20ctw. TESTED: 18k/ Plat top. WEIGHT: 3.8 grams.Gemstones haveSee Sold Price
Sold2022ANTIQUE, PLATINUM AND DIAMOND BROOCHANTIQUE, PLATINUM AND DIAMOND BROOCH Containing seven old European cut diamonds weighing approximately 0.75 carat total and numerous rose cut diamonds. 3/8 inch x 3 inches. Gross weight: 4.95 dwt.See Sold Price
Sold2016AN ANTIQUE PLATINUM DIAMOND AND SAPPHIRE BOW BROOCHAn antique bow brooch with twenty-nine 1/16 carat diamonds plus small sapphires in a platinum setting, unmarked, measures .625 x 1.5 inches, weighs 5.2 grams. We happily provide seamless, low-cost in-See Sold Price
Sold2023CARTIER 14K PLAT SAPPHIRE DIAMOND BLUEBONNET PINEstate 14kt yellow gold and platinum brooch, Cartier, serial number 833, modeled as a Bluebonnet flower stem, with gold wire leaves, (eleven) blue sapphires, approx 3.60cttw, (twenty) diamonds, approxSee Sold Price
Sold2023Antique Platinum Emerald Diamond Ruby BroochMETAL: Platinum. MEASUREMENTS: Brooch is 30mm x 35mm. GEMSTONES: Diamonds approx. 1.40ctw. Emerald and ruby. TESTED: Plat. WEIGHT: 9.9 grams.Gemstones have not been graded for color and clarity ,and tSee Sold Price
Sold2022Antique 18k Platinum diamond, ruby, pearl bug broochAntique 18k Platinum diamond, ruby, pearl bug brooch3.3 gramsSee Sold Price
Sold2023Antique 18k Gold Platinum Diamond Ruby Bar Brooch PinMETAL: 18k Gold. GEMSTONES: Two small rose cut diamonds. Ruby. Center gemstone is chipped. MEASUREMENTS: Brooch is 43mm x 5mm (missing a dangle element). TESTED: 18k, Plat. WEIGHT: 3.2 grams.GemstonesSee Sold Price
Sold2021Art Deco "Inverted Butterfly" Diamond BroochAntique American Art Deco "Inverted Butterfly" Diamond Brooch platinum, ca. 1920, S. Kind & Sons, Philadelphia, Pennsylvania, the Art Deco brooch in the form of an inverted butterfly, mounted with sinSee Sold Price
Sold2022BOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white goldBOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white gold, the geometric body set with old cut diamonds within two octagonal borders of black enamel, the priSee Sold Price
Sold2022An antique diamond and platinum-topped fourteen karat gold broochAn antique diamond and platinum-topped fourteen karat gold broochdesigned as an old mine or old European-cut diamond set flower; estimated total diamond weight: 2.00 carats. 7.3 dwt; length: 2 1/2 inSee Sold Price
May 06Heritage Auctions55200: Antique Natural Pearl, Diamond, Platinum-Topped$3,000
4 days LeftElmwood'sCARTIER, A DIAMOND BAR BROOCH in platinum and yellow gold, set to the centre with an old step cut...£6,000
4 days LeftElmwood'sAN ANTIQUE ART DECO FROSTED ROCK CRYSTAL AND DIAMOND BROOCH in platinum, set with a rectangular f...£2,000
May 06Heritage Auctions55204: Antique Natural Pearl, Cultured Pearl, Diamond, $6,000
May 11Hess Fine AuctionsAntique Marcus & Co. 5ctw Fine Old Euro Diamond Aquamarine Center Platinum Art Nouveau Era Pendant B$450(5 bids)
2 days LeftSeized Assets AuctioneersAntique 18K Yellow Gold Pearl Diamond Florentine Finish Large Flower Brooch Pin$1
1 day LeftSeized Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
5 days LeftSeized Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch Pin$1
5 days LeftSeized Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
1 hr LeftSeized Assets AuctioneersAntique Victorian 14k Gold & Platinum GIA Old Sapphire Ruby Diamond Long Bar Pin$1
1 day LeftFederal Assets AuctioneersAntique Krementz Edwardian Platinum Top 14k Gold Diamond Etched Bar Pin Brooch$1
3 days LeftFederal Assets AuctioneersAntique Belle Epoque Platinum Multi Color Pearl Diamond Wreath Circle Pin Brooch$1
4 days LeftFederal Assets AuctioneersAntique Art Deco Platinum 4.04 ctw Old European Diamond Filigree Bar Pin Brooch$1
6 days LeftFederal Assets AuctioneersAntique Victorian 14k Gold & Platinum GIA Old Sapphire Ruby Diamond Long Bar Pin$1