Sold2024Platinum and Diamond Brooch having Center DiamondPlatinum and Diamond Brooch having one centered old-mine cut diamond approximately .95 ct., petals accented by eighty round diamonds approximately 3.85 cts., approximately 10dwts.See Sold Price
Sold2016PLATINUM ART DECO DIAMOND BROOCHStunning 1920's Art Deco platinum filigree & diamond brooch. Center stone .25 carat European cut (G color SI clarity), total diamond weight on sides .66 carat (F-G color VS2-SI1 clarity). 1 3/4" wideSee Sold Price
Sold2023Platinum Diamond Flower BroochPlatinum Diamond Flower Brooch Center set with one Old European cut Diamond [I/SI-2], approximately 0.71 carat, enhanced with 24 baguette cut Diamonds [H/VVS], approximate total weight 3.36 carats, fuSee Sold Price
Sold2021VINTAGE TIFFANY & CO PLATINUM BOW 3ct DIAMOND BROOCHVINTAGE TIFFANY & CO. 3ct PLATINUM BROOCH PIN Brooch measures 1.85" H x 1.75" W Vintage Tiffany & Co. Platinum 3ct Diamond bow brooch with filigree design Center diamond apx 0.50ct Emerald cut Super cSee Sold Price
Sold2023WHITE PLATINUM DIAMOND LADIES BROOCH - 4.36 CTWWhite platinum diamond ladies brooch with one 1.0ct center diamond VS1-2 clarity, F-G color, two 0.25ct round diamonds VS1-2 clarity, F-G color, two 0.07ct round diamonds, six 0.05ct round diamonds, tSee Sold Price
Sold2021Art Deco Filigree Platinum Diamond Brooch PinMETAL: Platinum. GEMSTONES: Old mine cut diamonds total approx. 1.55ctw. Center diamond approx. 0.65ct. MEASUREMENTS: Brooch is 51mm x 19mm. TESTED: Plat. WEIGHT: 10.1 grams.Gemstones have not been grSee Sold Price
Sold2018Platinum Diamond Starburst BroochReverse marked Plat. 7191?. Platinum diamond brooch with 43 Diamonds 2 cts. SI1 G-H; Center diamond old mine cut .40 cts. 12.2 g. 1.25 in. H x 1.25 in. W x .75 in. D.See Sold Price
2022Art Deco Platinum Diamond & Ruby BroochMetal: Platinum Weight: 9 Grams Stone: Diamond, Ruby Carat: 0.50ct (center diamond), 3ctw (accenting diamond), 0.88ctw (ruby) Size: 3/4in x 2in Description: Features round cut Diamonds with custom cutSee Sold Price
Sold2020Art Deco Platinum Diamond Brooch PinArt Deco platinum brooch/pin decorated with mixed cut diamonds. Center stone- Old European cut diamond-approx. 0.79ct (VS2/I), two side stones-Old European cut diamonds-approx. 0.55ctw (SI1-SI2/I-J),See Sold Price
Sold2021Art Deco Platinum Old Mine Diamond Brooch PinArt Deco Platinum brooch with 14k gold stem, set with old mine cut diamonds. Center diamond approx. 0.65ct, side diamonds approx. - 0.84ctw. Brooch measures - 46mm x 19mm. Tested: Plat (brooch), MarkeSee Sold Price
Sold2018Lady's Leaf Platinum & Diamond Brooch 1.25''. Art decoLady's Leaf Platinum & Diamond Brooch 1.25''. Art deco fur clip has three round brilliant and rose cut champagne colored diamonds at center of approx. .65ctw. Leaves are set with approx. (85) mixed cuSee Sold Price
Sold2021Mid 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
Sold2016Art Deco Platinum 1.00ctw Diamond Brooch PendantBrooch measures 29mm x 22mm, set with approx. 1.00ctw in diamonds (center stone approx. 0.450ct) Tested plat. Weight - 5.7 grams.Gemstones have not been graded for color and clarity ,and tested for clSee Sold Price
Sold2020Antique Platinum 14K Gold Diamond Brooch PinMETAL: Platinum and 14k Gold. GEMSTONES: Old mine cut diamonds approx. 0.84ctw (center diamond approx. 0.62ct). MEASUREMENTS: Brooch is 38mm x 11mm wide. TESTED: Plat, 18k. WEIGHT: 3.7 grams.GemstonesSee Sold Price
Sold2022Elegant Platinum and 5.5ct Diamond BroochDESCRIPTION: A Platinum Diamond Brooch/Pendant features a dangling design inset with an array of Baguette, Marquee, and Round cut diamonds. The center set with the largest 0.5ct round Cut Diamond, furSee Sold Price
Sold2017Fine Platinum, Diamond, & Sapphire Jewelry SuiteFine suite of platinum, diamond, and sapphire jewelry, to include brooch and earrings. Brooch: center old European cut diamond 1.0 CT, L color, SI2 perfection, (25) diamonds, approximately 1.25 ctw, (See Sold Price
Sold2021Art Deco platinum, Sapphires & Diamonds BroochNice looking Art Deco Brooch crafted in Platinum, Set with Old mines and Rose cut Diamonds Approx. 1.48ctw (Center Old mine Diamond is Approx. 0.50cts. H color, SI clarity). Accented with Natural BlueSee 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
Sold2018platinum diamond broochA beautiful platinum brooch (2"x0.5"), center an European cut diamond wt. approx. 0.80ct (SI 2, G), sided with 4 medium diamonds, each approx. 0.10ct and 8 smaller diamonds, tdw approx. 1.50ct, wt. 6.See Sold Price
Sold2018A beautiful platinum diamond broochA beautiful platinum brooch (2"x0.5"), center an European cut diamond wt. approx. 0.80ct (SI 2, G) side with 4 medium diamonds, each approx. 0.10ct and 8 smaller diamonds, tdw approx. 1.50ct, wt. 6gmSee Sold Price
Sold2021DIAMOND & PLATINUM BOW BROOCH, C. 1920, L 2", T.W. 5 GRDIAMOND & PLATINUM BOW BROOCH, C. 1920, L 2", T.W. 5 GR 5 gr. A small very delicate brooch in bowknot form. L 2". center diamond approx 10pts.Four blue sapphire baguettes. Myriad of diamonds assembledSee Sold Price
Sold2020Antique 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
Sold2020Platinum 14k Diamond Filigree BroochArt deco brooch set with five Old European cut diamonds. Center approximately .20 carat and four approximately .03 carat each, .42 CTW. Clarity SI2, Color H-I. 1-7/8" x 5/8". 3.0 dwt. IMPORTANT: BeforSee Sold Price
Sold2023Platinum & Diamond Starburst BroochContaining a center round bezel set diamond, weight appx. .20ct, surrounded by eight prong set round diamonds, each weighing appx. .10ct, border of four groups of bezels set diamond, each weighing .03See Sold Price
May 31Miami Auctions & Appraisals LLC Antique Deco 6.55cts Old European Diamond Platinum Filigree Brooch Pin$14,000
3 days LeftBidhausDavid Webb Platinum & 18K Yellow Gold 25ctw Diamond Flower Interchangeable Center Brooch$10(1 bid)