JEWELRY. PLATINUM AND DIAMOND WREATHFORM BROOCH. Platinum diamond inlaid circular brooch with applied diamond inlaid bow. Apparently unmarked. Total approx. weight is 5.4 dwt (gross). From a Greenwich, CT estate....
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JEWELRY. ANTIQUE PLATINUM DIAMOND ANDSAPPHIRE Openwork Floral Pendant. Antique circular platinum pendant or brooch of floral openwork design - central flower with bezel set Old European cut diamond measuring...
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JEWELRY. PLATINUM, DIAMOND AND ONYXBROOCH. Art Deco ribbon form platinum brooch inlaid with (25) round faceted diamonds and terminating in faceted onyx. With a 14kt yellow gold post. Apparently unmarked. Total...
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JEWELRY. PLATINUM AND DIAMOND BROOCH.Foliate form platinum brooch comprised of (38) straight and tapered baguettes, (22) round full cut diamonds, and single cut diamond accents. Beautifully crafted (3) drop panels...
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JEWELRY. ART DECO PLATINUM AND DIAMONDBROOCH. Art Deco platinum brooch comprised of (7) bezel set Old European cut diamonds measuring approx. 3.5mm each and (74) full cut diamond accents measuring approx. 1.5mm...
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JEWELRY. EXCEPTIONAL PLATINUM AND DIAMONDBROOCH. Platinum brooch comprised of (16) round brilliant cut diamonds, (38) marquis cut diamonds, and (34) diamond baguettes (straight and tapered). With beautiful fluidity...
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JEWELRY. VINTAGE PLATINUM AND DIAMONDBROOCH. Vintage circular platinum openwork brooch with central Old European cut diamond measuring approx. 4.0mm surrounded by single cut, round brilliant cut, and Old European...
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JEWELRY. ART DECO DIAMOND AND EMERALDBROOCH. Art Deco platinum brooch with central marquis cut diamond surrounded by faceted emeralds. Brooch inlaid throughout with diamond accents including (10) diamond baguettes...
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JEWELRY. PLATINUM, DIAMOND AND COLOREDGEM BROOCH. Platinum foliate form brooch inlaid with (11) bezel set green gem cabochons, most surely emeralds, accents by tapered bands of diamond baguettes, and single cut...
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JEWELRY. FRENCH ART DECO PLATINUM, SAPPHIREAND Diamond Brooch. Signed French Art Deco oval form platinum brooch inlaid throughout with Old European cut and single cut diamonds. With an applied platinum floral form...
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JEWELRY. (5) GOLD ENAMEL, GEM, PEARL,& DIAMOND Sword Brooches. including an unmarked 14kt yellow gold and enamel sword brooch with a sheath - approx. 73.5 mm in length; an unmarked 14kt yellow gold and enamel...
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JEWELRY. 18KT GOLD, PLATINUM, DIAMONDAND RUBY Foliate Form Brooch. 18kt yellow gold foliate form brooch displaying (8) prong-set round faceted rubies and a central platinum 'ribbon' accented by (8) single cut...
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JEWELRY. PLATINUM TOPPED 14KT GOLD ANDDIAMOND Brooch. Platinum topped 14kt yellow gold Lily of the Valley floral brooch inlaid throughout with diamond accents. Apparently unmarked. Total approx. weight of the...
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JEWELRY. ART DECO PLATINUM DIAMOND ANDGEM Brooch. Art Deco platinum ribbon motif brooch inlaid with tapered bands of Old European cut diamonds, accented by channel set bands of faceted sapphires and emeralds,...
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FRENCH ART DECO PLATINUM & DIAMOND FEATHERBROOCHLadies French Art Deco period platinum feather brooch featuring a Euro cut diamond approximately 0.59 carats, Clarity-SI1, Color-H accented by 128 diamonds (round brilliant,...
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ART DECO GOLD, PLATINUM, & DIAMOND BROOCHLadiesplatinum and 14K yellow gold backed brooch designed by Kohn & Co. featuring five (5) old mine cut diamonds approximately 3.12 carats together, Clarity-VS1, Color-H. The brooch...
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PLATINUM & DIAMOND BROOCHLadies platinumbrooch featuring fourteen (14) mine cut diamonds approximately 1.56 carats together, Clarity-SI1, Color-G. The brooch is marked "14K", but XRF tests 80% platinum. The brooch...
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PLATINUM DIAMOND & SAPPHIRE BROOCHLadiesplatinum and 14K white gold floral brooch featuring twenty-eight (28) round brilliant, twenty-two (22) baguette, and eight (8) marquise cut diamonds approximately 2.75 carats...
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EDWARDIAN TIFFANY YELLOW GOLD PLATINUMAND DIAMOND SNOWFLAKE BROOCH/PENDANT CIRCA 1915 1 1/4 X 1 1/4 IN. (3.2 X 3.2 CM.) AND DIAMOND SNOWFLAKE BROOCH/PENDANT CIRCA 1915, 14K yellow gold, platinum topped, brooch/pendant,...
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EDWARDIAN PLATINUM AND DIAMOND BROOCH,CIRCA 1910Edwardian, Platinum and Diamond Brooch, Circa 1910 Centered with one round old European-cut diamond weighing approximately .85 carats, flanked by four old mine-cut...
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ART DECO PLATINUM, DIAMOND AND SYNTHETICBLUE SAPPHIRE BROOCH, 6.6 GROSS DWT; L: 1 7/8 INArt Deco Platinum, Diamond and Synthetic Blue Sapphire Brooch,, Center diamond weighing approx .50 carats. Dimensions: 6.6...
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EDWARDIAN PLATINUM AND DIAMOND BROOCH,6.8 GROSS DWTEdwardian Platinum and Diamond Brooch,, Dimensions: 6.8 gross dwt...
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ART NOUVEAU TESTED 18-KARAT YELLOW GOLD,PLATINUM TOPPED AND DIAMOND BROOCH, POSSIBLY FRENCH, CIRCA 1900, D: 1-1/8 IN, 7.4 GROSS DWTArt Nouveau Tested 18-Karat Yellow-Gold, Platinum Topped and Diamond Brooch, Possibly...
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ART DECO PLATINUM, DIAMOND AND ENAMELBROOCH, LACLOCHE FRèRES, PARIS, CIRCA 1925Art Deco Platinum, Diamond and Enamel Brooch, Lacloche Frères, Paris, Circa 1925 The rectangular mount centered with one round...
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ART DECO PLATINUM AND DIAMOND BROOCH,CIRCA 1930Art Deco Platinum and Diamond Brooch, Circa 1930 The buckle-design centered with one elongated hexagonal-cut diamond weighing approximately 1 carat, surrounded...
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TWO PLATINUM AND DIAMOND BROOCHES, EARLY20TH CENTURYTwo Platinum and Diamond Brooches, Early 20th Century The first, an Edwardian bar pin, having a pavé of round old European-cut diamonds weighing approximately...
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EDWARDIAN TESTED 14-KARAT YELLOW-GOLD,PLATINUM-TOPPED AND DIAMOND BROOCH, CIRCA 1910Edwardian Tested 14-Karat Yellow-Gold, Platinum-Topped and Diamond Brooch, Circa 1910 Having a scrolling foliate design set...
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EDWARDIAN 14-KARAT YELLOW-GOLD, PLATINUM-TOPPEDAND DIAMOND BROOCH, CIRCA 1910Edwardian 14-Karat Yellow-Gold, Platinum-Topped and Diamond Brooch, Circa 1910 Centering a removable silver and yellow-gold attachment centered...
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EDWARDIAN PLATINUM-TOPPED, 14-KARATYELLOW-GOLD, RUBY AND DIAMOND BROOCH, CIRCA 1910Edwardian Platinum-Topped, 14-Karat Yellow-Gold, Ruby and Diamond Brooch, Circa 1910 Of a ribboned bow design centered with...
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ART DECO PLATINUM, DIAMOND, BLACK ONYXAND SYNTHETIC EMERALD BROOCH, 5.9 GROSS DWT., 1 INCH X 1-7/8 INCHArt Deco Platinum, Diamond, Black Onyx and Synthetic Emerald Brooch, 5.9 gross dwt., 1 inch x 1-7/8 inch...
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ART DECO PLATINUM, DIAMOND AND BLACKONYX 'COURTING SCENE' BROOCH, 7.9 GROSS DWT., 1 INCH X 1-5/8 INCHArt Deco Platinum, Diamond and Black Onyx 'Courting Scene' Brooch, 7.9 gross dwt., 1 inch x 1-5/8 inch...
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TESTED PLATINUM AND DIAMOND BROOCH,5.3 GROSS DWT., L: 2-1/2 INCHESTested Platinum and Diamond Brooch, 5.3 gross dwt., L: 2-1/2 inches...
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FRENCH ART DECO PLATINUM AND DIAMONDBROOCH, CARTIERFrench Art Deco Platinum and Diamond Brooch, Cartier, Circa 1925 Having four rows set with ten baguette-cut and forty-four old European-cut diamonds weighing...
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PLATINUM, EMERALD AND DIAMOND PENDANT-BROOCHGROSS WEIGHT: 55.2 DWT; LENGTH: 5-7/8 IN (14.9 CM); WIDTH: 3-1/8 IN (7.9 CM)Platinum, Emerald and Diamond Pendant-Brooch, Second Quarter 20th Century The scrolling foliate...
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PLATINUM AND DIAMOND BROOCH, TOTAL WEIGHTOF DIAMONDS: 5.75 CARATS; GROSS WEIGHT: 11.3 DWT; LENGTH: 2 IN (5.1 CM)Platinum and Diamond Brooch, Set with nineteen marquise-cut diamonds weighing approximately 2.75 carats...
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PLATINUM AND DIAMOND BROOCH, GROSS WEIGHT:15.8 DWT; LENGTH: 2-5/8 IN (6.7 CM); WIDTH: 1-1/2 IN (3.8 CM)Platinum and Diamond Brooch, The large reticulated rectangular brooch set with approximately seventy-five round...
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