Sold2018Platinum approx 11.00 carat Diamond Brooch.Platinum approx 11.00 carat Diamond Brooch. Antique Style. VS. F-G Color.See 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
Sold2017PLATINUM & DIAMOND BROOCHset with 58 round diamonds approx. 1.98 carats, appear nice clean stones, also with double bale to serve as a pendant, tests platinum, 1.6in., 11.7gms. (repair to bottom center with minor soldering toSee Sold Price
Sold2017Garden Fence Floral Brooch in 14 Karat Yellow Gold andA 14k yellow gold and platinum brooch in the form of a garden fence containing approximately 1.50 carats of rose cut diamonds along with ruby, sapphire and emerald "flowers". 1.75" x 1.25". 11.05 dwt.See Sold Price
Sold2022CARTIER, DIAMOND BROOCHCARTIER, DIAMOND BROOCH Containing eight pear shaped diamonds and 108 baguette cut diamonds weighing approximately 11.00-12.00 carats total. Mounted in platinum. 1 1/2 x 1 1/2 inches. Stamp: CARTIER 1See Sold Price
Sold2020DIAMOND BROOCHDIAMOND BROOCH Containing 101 round brilliant cut diamonds and 13 baguette cut diamonds weighing approximately 8.50 carats total. Mounted in platinum. 2 x 1 1/4 inches. 11.20 dwt.See Sold Price
2019Antique Edwardian Platinum 1.1 Carat Diamond and PearlPeriod: Edwardian (1901-1920) Composition: Platinum. Stones: • 2 Old mine cut diamonds of H-VS2 quality that weigh 0.40ctw. • 36 Single cut diamonds of H-VS2 quality that weigh 0.50ctw. • 2 baguSee Sold Price
Sold2016Antique Edwardian Approx. 120.0 Carat Ruby, 10.0-11.0 cAntique Edwardian Approx. 120.0 Carat Ruby, 10.0-11.0 Carat European Cut Diamond and Platinum Necklace. The necklace set with cabochon rubies. The later added detachable tassel pendant is set with diaSee Sold Price
Sold2016Vintage Approx. 11.0 Carat Marquise Cut Diamond andVintage Approx. 11.0 Carat Marquise Cut Diamond and Platinum Eternity Band. Diamonds F-I color, VS2-SI2 clarity. Unsigned. Very good condition. Ring size 4. Approx. weight: 5.70 pennyweights. ShippingSee Sold Price
Sold20183.5ct Diamond and Platinum BroochAntique Approx. 3.5 Carat Old European Cut Diamond and Platinum Bow Brooch. E-F color, VS1 - VS2 Clarity. Probably French. Unsigned. Measures 2-1/2" x 1-1/2". Approx. weight: 16.0 grams. Condition: GoSee Sold Price
Sold2024Diamond and Platinum Brooch, 9.5 caratsPlatinum brooch in the style of bow set with over 460 round and baguette cut diamonds weighing approx. 9.5 carats. 16.5dwt and 2.75"wSee Sold Price
Sold20152 ct. Platinum & Diamond Brooch346-661 Two Carat Platinum and Diamond Brooch. Art Deco Setting. 2.5" long. World Class item. Would make a stunning Pendant. Good stones, incredible Mine Cut Diamonds.See Sold Price
Sold2017Art Deco Approx. 2.5 Carat Old European Cut Diamond,Art Deco Approx. 2.5 Carat Old European Cut Diamond, Sapphire and Platinum Bar Brooch. Diamonds G-H color, VS1-SI1 clarity. Unsigned. Missing one small sapphire Very good condition. Measures 2" W, 3/4See Sold Price
Sold2024OSCAR FRIEDMAN TANZANITE & DIAMOND PLATINUM PENDANTAn Oscar Friedman masterpiece, this platinum pendant showcases a stunning 11.11-carat GIA-certified pear brilliant faceted tanzanite, complemented by 77 round diamonds totaling approximately 1.13 caraSee Sold Price
Sold20241.1 CARAT DIAMOND PENDANT NECKLACE PT900A 1.1-carat brilliant round cut diamond set in an 850 platinum pendant. Back of pendant is stamped 1.10 and P850. Hung on a 900-purity platinum chain. Details and measurements: Length: 16.5 IN. WeightSee 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
Sold2017Diamond, Platinum Brooches, Tiffany & Co. The SDiamond, Platinum Brooches, Tiffany & Co. The Seagull brooches featureSee Sold Price
Sold20180.925 STERLING SILVER RING WITH RUBY & DIAMONDALLURING 11.97 CARAT TW (7 PCS) GENUINE RUBY & GENUINE DIAMOND PLATINUM OVER 0.925 STERLING SILVER RINGSee Sold Price
Sold2023AN EDWARDIAN 14K WHITE GOLD AND PLATINUM PIN | PENDANTThe 14k gold and platinum brooch/pendant is set with four 0.03 carat diamonds and a central green faceted gemstone, marked 14k and Plat. on the clasp. Pendant measures 1.625 x 0.875 inches. Green faceSee Sold Price
Sold2016AGL 6.11 Colombian Emerald Diamond Onyx Platinum RingAn outstanding AGL certified 6.11 carat colombian emerald that has the deep pure green color desirable in gem quality emeralds. Bezel set in an expertly handcrafted platinum ring creatively designed wSee Sold Price
Sold2022Platinum, 4.74 Carat Diamond & Pearl Flower BroochPlatinum, Diamond & Pearl Flower Broochcentering a 0.48 carat Old Mine Cut diamond accented by rose cut, single cut, Old European and Old Mine Cut diamonds weighing a total of 4.26 carats, suspendingSee Sold Price
Sold2022Deco Diamond and Platinum BroochArt Deco Diamond, Emerald, Black Onyx and Platinum Brooch. Set in the center with an approx. .65 carat old European cut diamond, H-I color, VS2 clarity. Accented with approx. 3.50 carat TW old EuropeaSee Sold Price
Sold2020Diamond and Platinum BroochVintage Approx. 4.0 Carat TW Round Brilliant and Baguette Cut Diamlnd and Platinum Circular Brooch. Diamonds E-F color, VVS-VS clarity. Stamped Plat. Measures 1-1/4" diameter. Approx. weight: 12.17 grSee Sold Price
Sold2022Belle Epoque diamond and platinum broochBelle Epoque diamond and platinum brooch centered by a bezel set cushion old mine cut diamond weighing approximately 2.00 carats and two European cut diamonds 0.95 carats each, further accented by oldSee Sold Price
22 hrs LeftBidhausDavid Webb Dolphin Platinum & 18K Yellow Gold With Diamonds Gemstones And Blue Enamel Brooch$10
May 31Miami Auctions & Appraisals LLC CARTIER Vintage 6.50cts Diamond Platinum Elegant Botanical Pin Brooch$26,250
May 31Miami Auctions & Appraisals LLC Vintage 21.90cts Platinum Mixed-cut Natural Diamond tassel Brooch Pin$48,750
Jun 23Modern JewelryTiffany & Co. 2.00 Carat Aquamarine 0.11 Round Diamond Platinum Gems Stone Ring$4,650
Jun 23Modern JewelryTiffany & Co. 2.75 Carat Round Brilliant F VS1 Diamond Pearl Platinum Brooch$12,750
Jun 23Modern JewelryH.Stern 21.00 Carat Diamond 4.00 Carat Pear Shape Emerald Platinum Pin Brooch$42,000
Jun 23Modern JewelryCARTIER 1.63 Carat Round Brilliant G VS1-VVS2 Diamond Platinum Engagement Ring$19,250
Jun 23Modern Jewelry1.11 Carat Old European Cut G SI1 & Marquis Shape G SI2 Diamond Platinum Ring$7,600