Art Deco Platinum Brooch 12.20 Ct Diamonds 104 European-Cut 16 BaguetteBidhaus4.2(836)$1003 days Left
18K White Gold Diamond Pin, 0.842CTW , 6.7g, with Appraisal.Lunds Auctioneers & Appraisers Ltd.4.6(647)CA$750(1 bid)2 hrs Left
Art Deco Platinum Brooch 12.20 Ct Diamonds 104 European-Cut 16 BaguetteBidhaus4.2(836)$7,500Feb 13, 2026
SoldPlatinum 18k Diamond BroochPlatinum and 18k white gold 21.9g 33.8mm wide 1.8-2.5mm diamondsSee Sold Price
SoldTIFFANY & CO. PLATINUM & 18K 4CTW DIAMOND BROOCHCirca 1890's Art Nouveau antique Tiffany and Co platinum brooch having 4ctw old mine cut diamonds(Clarity:VS-SI/Color:E-H) with an onyx inlay and 18K yellow gold clasp/pin. Stamped 18K on clasp, engraSee Sold Price
SoldMid Century Platinum 18k Gold Diamond Brooch PinMid century platinum and 18k yellow gold brooch with rose cut and old mine cut diamonds. Center diamond approx. 0.21ct, surrounding diamonds approx. 1.60ctw. Brooch is 48mm x 38mm. Tested: Plat, 18k.See Sold Price
SoldAntique Platinum 18k Gold Diamond Brooch PinMETAL: Platinum/ 18k Gold. MEASUREMENTS: Brooch is 69mm x 21mm. Chain is 3.75" long (with safety pin). TESTED: Plat top/ 18k gold. WEIGHT: 13.9 grams.Gemstones have not been graded for color andSee Sold Price
SoldSUZANNE BELPERRON Platinum/18K Gold and Diamond BroochSUZANNE BELPERRON Platinum/18K Gold and Diamond Broochca. 1942-55; the double-brooch of stylized flower and leaf-form set throughout with old European-, old mine-, and baguette- cut diamonds weighingSee Sold Price
SoldVictorian 18K & Platinum Diamond BroochVictorian 18K & Platinum Diamond Brooch Weighing 9.1 grams Set with 49 Old European-cut Diamonds weighing app. 2.60 Ct. F-H Color, VVS-VS Clarity 2 inches in lengthSee Sold Price
SoldAn 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
SoldAntique Platinum 18K Gold Diamond Pin BroochMETAL: 18k Gold, Platinum. GEMSTONES: Center diamonds approx. 0.13ctw. Rose cut diamonds. MEASUREMENTS: Brooch/Pin is 70mm x 6mm. MARKED/TESTED: 750, Platinum. WEIGHT: 4.8 grams.Gemstones have not beeSee Sold Price
SoldAntique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ctwTitle: Antique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ctw Description:Antique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ctSee Sold Price
SoldA PLATINUM, 18K GOLD, PEARL AND DIAMOND BROOCHA PLATINUM, 18K GOLD, PEARL AND DIAMOND BROOCH Designed as a corsage with a flower centering a semi-baroque pearl with petals of old European-cut diamonds, textured gold leaves and sprigs of button anSee Sold Price
SoldArt Deco Platinum and 18k Yellow Gold Diamond Brooch PinMETAL: Platinum, 18k Yellow Gold. GEMSTONES: Diamonds approx. 2.26 ctw. MEASUREMENTS: 30mm x 33mm. TESTED: Platinum, 18k Gold. WEIGHT: 7.8 grams. Gemstones have not been graded for color and clarity,See Sold Price
Sold18k Platinum & Diamond Pearl Brooch1950's Vintage Platinum, Pearl (8.80mm), 18k Gold & Single Cut Diamonds TW approx 0,8 CT Bee Brooch. Measurements: 1.2x0.8". Weight: 6.5gSee Sold Price
SoldRetro 18K & Platinum Emerald & Diamond Brooch/PendantRetro 18K & Platinum Emerald & Diamond Brooch/PendantWeighing 25.6 gramsSet with an app. 50.00 Ct. EmeraldAlong with 7 Emeralds weighing app. 7.00 Ct.And 25 Diamonds weighing app. 0.70 Ct.F-H Color, VSee Sold Price
SoldDavid Webb 8.00ctw Diamond Platinum/18K BroochDavid Webb 8.00ctw VVS2-VS1/F-G Diamond Solid Platinum/18K Yellow Gold Brooch - This stunning brooch was made by David Webb and was finely crafted of solid platinum and 18k yellow gold. The brooch offSee Sold Price
SoldDavid Webb 18K Platinum, Amethyst and Diamond BroochDavid Webb exceptional Brooch Pendant Authentic and signed Large 30mm X 18mm Faceted Amethyst set in 18k gold and Platinum. 31.7 Grams with Approx 1.5 Carats Diamonds. This is a great collector pieceSee Sold Price
Sold18k Gold Platinum Diamond Brooch PinMETAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 79mm x 30mm. GEMSTONES: Diamonds approx. 115 stones. TESTED: 18k/plat top. WEIGHT: 11.7 grams.Gemstones have not been graded for color and clarity ,aSee Sold Price
SoldSeidengang 18k Gold Platinum Diamond BroochMETAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch measures 69mm x 39mm. GEMSTONES: Diamonds approx. 0.26ctw. MARKED: Maker's mark, plat, 18k. WEIGHT: 28.4 grams.Gemstones have not been graded for coSee Sold Price
Sold18K Platinum Opal Diamond Retro Brooch18K Yellow Gold Platinum Weight 5gr Opal Approx 0.30 Ct Diamond Approx 0.35ct Retro Brooch Measurements 1.5”X0.7”See Sold Price
Sold18k Platinum Sapphire Diamond Bar Brooch18k Platinum Weight 6.13g Sapphire Diamond Bar Brooch Measurements 2.73”x0.17”See Sold Price
SoldVERDURA: AN 18K GOLD, PLATINUM, AND DIAMOND BROOCHVERDURA: AN 18K GOLD, PLATINUM, AND DIAMOND BROOCH Set with full-cut diamonds, approximate total weight 1.40 carats, weight 20.5 dwt, signed Verdura, length 2 1/4 in.See Sold Price
SoldPLATINUM & 18K GOLD CEYLON STAR SAPPHIRE DIAMOND & RUBY BROOCHPLATINUM & 18K GOLD CEYLON STAR SAPPHIRE DIAMOND & RUBY BROOCH: An important 18K yellow gold Russian brooch set with a large star sapphire cabochon surrounded by diamonds and knife-set rubies in an enSee Sold Price
Sold18K & Platinum David Webb diamond & enamel brooch18K & Platinum David Webb brooch, blue and green enamel, Appx. 0.22 ctw, GH/SI diamonds. 2" x 2", 34.7g.See Sold Price
SoldHenry Dunay 18K Gold Platinum Diamond Pearl BroochMETAL: 18K gold, platinum. GEMSTONES: diamonds-approx. 2.70ctw, multi color pearls 10.5-12mm. MEASUREMENTS: brooch is 53mm long xm at widest point. MARKED: Dunay 18K. WEIGHT: 42.5 grams.Gemstones haveSee Sold Price
Sold18K Gold Platinum Diamond Emerald Brooch PinMETAL: 18k Gold and Platinum. GEMSTONES: Rose cut and old mine cut diamonds approx. 25 stone. Emerald. MEASUREMENTS: Brooch is 52mm x 11.9mm. MARKED/TESTED: 750/Plat. WEIGHT: 5 grams.Gemstones have noSee Sold Price
