Sold20224.00ctw VS2-SI1/G-H Diamond and Platinum Brooch4.00ctw VS2-SI1/G-H Diamond and Solid Platinum 1.5" Circular Brooch - This beautiful brooch was finely crafted of solid platinum and has a circular shape with delicate pierced details finished with miSee Sold Price
Sold20213.25ctw VS1-VS2/G-H Diamond Solid Platinum Brooch3.25ctw VS1-VS2/G-H Diamond Solid Platinum Brooch - This elegant piece was finely crafted of solid platinum and has a lovely design in the form of a bouquet. The brooch is embellished with approximateSee Sold Price
Sold20235.85ctw VS2-SI1/G-H Diamond and Platinum 1.35" Brooch5.85ctw VS2-SI1/G-H Diamond and Solid Platinum 1.35" Vintage Brooch - This lovely vintage brooch was finely crafted of solid platinum and is embellished with approximately 5.85ctw VS2-SI1/G-H round anSee Sold Price
Sold2022LADIES EQUESTRIAN DIAMOND AND PLATINUM BROOCHLADIES EQUESTRIAN DIAMOND AND PLATINUM BROOCH Consisting of 1-platinum pendant mounting, 48-round brilliant cut diamonds weighing approximately 74/100 carats total VS1-VS2 clarity, H color 5.30 grams.See Sold Price
Sold202115mm South Sea Pearl, 4.00ctw Diamond & Platinum Ring15mm South Sea Pearl, 4.00ctw VS1-VS2/G-H Diamond and Solid Platinum Ring - This exquisite ring was finely crafted of solid platinum and boasts a 15mm South Sea pearl. The pearl has a beautiful spheriSee Sold Price
Sold2023Platinum Diamond Brooch11 pear cut diamonds, approx. 2.00ctw., G-H, VS2-SI1, 70 assorted cut diamonds, straight baguettes, tapered baguettes, lozenge, trapezoids, approx. 4.15ctw., G-H, VS2-SI1, length 2-1/8 in. at longestSee 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
Sold2021Art Deco Platinum, Diamond & Emerald Brooch / PinArt Deco platinum, diamond, and fine emerald brooch / pin, composed of fifty-one mixed-cut diamonds including baguette and round brilliant-cut diamonds; approx: 5.50 ct tw., color: H-I, clarity: VS2 -See Sold Price
Sold2020ART DECO PLATINUM, DIAMOND, & SAPPHIRE BAR BROOCHcentering one round brilliant cut diamond [K/VS2] weighing approximately 0.92 carats total; 104 single and full cut diamonds [G-H/VS1-VS2] weighing approximately 1.40 carats total; 22 round cut and roSee Sold Price
Sold2020ART DECO PLATINUM, DIAMOND, & SAPPHIRE BAR BROOCHcentering one rectangular step cut very dark sapphire weighing approximately 2.50 carats total; six old European cut diamonds [G-H/VS1-VS2] weighing approximately 0.80 carats total; and 62 single andSee Sold Price
Sold2020Diamond, 18k and platinum screaming eagle broochDiamond, 18k yellow gold, and platinum screaming eagle brooch, the 18k gold eagle having wings unfurled ready to pounce, the wings, head, and tail lit with 1ctw of G-H color and VS2 clarity round brilSee Sold Price
Sold20235.00 Ct Diamond Victorian Flower Motif BroochVictorian 14K & Platinum Top Diamond Brooch Weighing 23.8 grams Set with app. 5.00 Ct. of Diamonds G-H Color, VS1-VS2 Clarity 3 inches in lengthSee Sold Price
Sold2020Custom articulated diamond and platinum broochCustom mid-century articulated diamond and platinum brooch, of spray from, having 81 round, pear, baguette, and marquise diamonds of G-H color and VS1 to VS2 clarity, weighing 17.30ctw, with no appareSee 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
Sold2017Platinum and Diamond Circle BroochA vintage 1.25" circle brooch in platinum containing 34 VS2-SI1, G-H color Old European Cut diamonds weighing approximately 3.50 carats total weight. 5.57 Dwt.See Sold Price
Sold2022Three Gold and Gem-Set Bar BroochesThree Gold and Gem-Set Bar Broochesto include: a platinum topped gold bar brooch set with old European cut diamonds weighing approximately .22 total carat (H-I color, VS2-SI1 clarity), completed withSee Sold Price
Sold2022Platinum Art Deco Diamond BroochLadies platinum Art Deco brooch featuring an old mine cut diamond approximately 0.56 carats, Clarity-SI1, Color-H, accented by 72 round brilliant diamonds approximately 2.20 carats, Clarity-VS2, ColorSee Sold Price
Sold20179.50ct Emerald, 1.00ctw Diamond & Platinum Ring9.50ct Sugarloaf Cabochon Emerald, 1.00ctw VS1-VS2/G-H Diamond & Platinum Deco Style Cocktail Ring (W/$32,000 Appraisal) - This magnificent cocktail ring was finely crafted of solid platinum, and boasSee Sold Price
Sold20208.00ct GIA VS2/L Diamond, 1.00ctw Diamond Plat Ring8.00ct GIA Certified VS2/L Cushion Cut Diamond, 1.00ctw VS1-VS2/G-H Diamond & Solid Platinum Ring - This exquisite ring was finely crafted of solid platinum, and boasts an 8.00ct GIA certified VS2/L cSee Sold Price
Sold20184.93ct Brazilian Emerald, Diamond & Platinum Ring4.93ct Gubelin Certified Brazilian Emerald in 1.70ctw VS1-VS2/G-H Diamond & Solid Platinum Ring (Comes W/$155,000 Appraisal) - This stunning ring is made of solid platinum, and boasts a magnificent 4.See Sold Price
Sold20181.58ct GIA VS1 Very Light Pink Diamond Plat. Ring1.58ct GIA Certified VS1 Natural Very Light Pink Pear-Cut Diamond, 0.55ctw VS1-VS2/G-H Diamond & Solid Platinum/18K Rose Gold Ring W/$325,000 Appraisal - This magnificent ring was finely crafted of soSee Sold Price
Sold20194.4ct GIA No Heat Blue Sapphire & 2.7ctw Diamond Ring4.40ct GIA Certified Cushion Cut No Heat Blue Sapphire, 2.70ctw VS1-VS2/G-H Diamond & Solid Platinum Ring W/Ornate Incised Band (Comes W/$37,000 Appraisal) - This stunning ring was finely crafted of sSee Sold Price
Sold2020Mauboussin 1950s 14ctw Diamond Plat/18K BraceletMauboussin 1950s 14.00ctw VS1-VS2/G-H Diamond Solid Platinum/18K White Gold Bracelet W/COA (Comes W/$42,500 Appraisal) - This stunning bracelet was made by Mouboussin and was finely crafted of solid 1See Sold Price
Sold20244.90ct AGL Pink Sapphire, 2.30ctw Diamond Platinum Ring4.90ct AGL Certified Pink Sapphire, 2.30ctw VS1-VS2/G-H Diamond and Platinum Ring - This exquisite ring was finely crafted in solid platinum and boasts a 4.90ct AGL certified cushion cut pink sapphireSee Sold Price
5 days LeftSeized Assets AuctioneersAntique Art Deco Platinum 4.04 ctw Old European Diamond Filigree Bar Pin Brooch$1
3 days LeftSeized Assets AuctioneersAntique Edwardian French 18k Gold & Platinum 0.80 ctw Diamond Pearl Bar Pin Broo$1
4 days LeftFederal Assets AuctioneersVintage Platinum 1.98 ctw Baguette Marquise Old Cut Diamond Spray Flame Pin Broo$1
Jun 25Miami Auction GalleryVintage Retro 15.69cts Diamond Platinum Floral Bouquet Lapel Brooch$38,000
5 hrs LeftFederal Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
3 days LeftSeized Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
Jun 23Modern JewelryCARTIER 0.28 Carat Baguette Shape H VS2 Diamond Platinum Semi Mounting Ring$2,750
Jun 23Modern JewelryTiffany & Co. 2.25 Carat Round Brilliant H VS2 Diamond Platinum Stud Earring$30,250
Jun 23Modern JewelryTiffany & Co. 1.30 Carat Round Brilliant H VS2 Diamond Platinum Engagement Ring$12,750
Jun 23Modern Jewelry3.90 Carat Pear Shape & Round Brilliant H VS2 Diamond Platinum Semi Mount Ring$8,900
Jun 23Modern JewelryTiffany & Co. 1.01 Carat Round Brilliant H VS2 Diamond Platinum Engagement Ring$12,250