Sold2022Diamond PinYellow gold 14 Kt and platinum diamond cluster brooch with 39 diamonds in concentric circle at center of pin. Acid tested. Weight 4.1 dwt. Condition: Excellent condition. L. 2-1/8" D 1/2". Copy and paSee Sold Price
Sold2022Platinum Pearl and Diamond Cluster of Grapes BroochPlatinum Pearl and Diamond Cluster of Grapes Brooch Measuring (2.1" x 1.4") containing 29 - (4mm-6.5mm pearls) white with cream undertones and medium luster, accented with diamond rounds and baguettesSee Sold Price
Sold2023An early 20th century platinum and gold, turquoise and old-cut diamond cluster brooch.TurquoiseAn early 20th century platinum and gold, turquoise and old-cut diamond cluster brooch.Turquoise estimated dimensions of 17.6 by 16 by 8.5mms.Estimated total diamond weight 3.90cts, G-I colour, SI1-P1See Sold Price
Sold2022A Vintage 18k White Gold Diamond Pearl Cluster Brooch PinA Vintage 18k White Gold Diamond Pearl Cluster Brooch Pin featuring a cluster of (27) Pearl Beads drilled and mounted on Platinum along with Numerous transparent near-colorless Diamonds and Orange-yelSee Sold Price
Sold2023Vintage Platinum & diamond broochVintage Platinum & diamond brooch, c. 1950, set with a cluster of pear-shaped and marquise-cut diamonds, H-J color, VS-SI clarity, est. 10.0 carats, 2.5"l, approx. 18 dwt., illegibly stamped 869(?) PrSee Sold Price
Sold2022Platinum Diamond Cascade BroochPlatinum diamond cascade brooch. The crescent shape pin is fashioned with a raised cluster of full cut diamonds in 4 pronged mountings. The cluster is surrounded by leaf shaped mountings set with pairSee Sold Price
Sold2020A ruby, diamond, and platinum brooch,A ruby, diamond, and platinum brooch designed as an articulated cluster of rubies, surmounted by straight baguette, round, and pear-shaped diamonds; estimated total diamond weight: 7.00 carats. LengthSee Sold Price
Sold2021Platinum and Diamond BroochPlatinum and Diamond Brooch The openwork plaque of scrolled pierced ribbons centering one old European-cut diamond ap. .85 ct., flanked by 6 baguette diamonds and clusters of 18 collet-set old-mine anSee Sold Price
Sold2022A diamond, emerald and platinum broochA diamond, emerald and platinum broochdesigned as a cluster of marquise-cut diamonds and circular-cut emeralds, among ribbons of round brilliant-cut diamond pavé; estimated total diamond weight:See Sold Price
Sold2022AN ART DECO SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold and platinum, the tapering bar set with aAN ART DECO SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold and platinum, the tapering bar set with a floral cluster of diamonds to the centre, flanked by rows of graduated cushion cut blue sapphires,See Sold Price
Sold2022AN ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1920 in platinum, set with a cluster of round cutAN ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1920 in platinum, set with a cluster of round cut diamonds, within a border of calibre cut sapphires, the diamonds all totalling 1.4-1.6 carats, stampedSee Sold Price
Sold202118K Gold Antique Diamond Sapphire Bar Brooch 4.5gCrafted of fine 18k yellow gold with a platinum flash on the face. Features alternating clusters of small rose cut diamonds and square single cut sapphires in a graduated arrangement, placing the largSee Sold Price
Sold2016A Pair of Platinum & Diamond Cluster Earstuds, Cartier,A Pretty Pair of Platinum & Diamond Cluster Earstuds, by Cartier, London, circa 1946 Designed as a pair of four claw-set with a cushion-shaped stones total estimated weight 1.3ct, within a surround ofSee Sold Price
Sold2022Platinum Diamond Brooch, oval shape measuringPlatinum Diamond Brooch, oval shape measuring approximately 2 x 1 ¼ inches; pave set with 158 round full and single cut diamonds, approximate total carat weight is 5.75 by formula;the diamonds averagSee Sold Price
20218.24ct Yellow Sapphire Platinum Diamond BroochPlatinum brooch, set with center approx. 8.24ct yellow sapphire (measures 12.7 x 11.89 x 6.2mm), surrounded with approx. 0.74ctw in diamonds. Brooch measures 28mm x 27mm. Tested plat. Weight - 10.3 grSee Sold Price
Sold2022Platinum Diamond Cluster Ringmarquise and round brilliant cut diamonds, approximately 5 carats tw, E-F color, VS clarity ring size 4 3/4, weight is 9.2 dwt grossSee Sold Price
Sold2022Art Deco French Platinum Diamond BroochArt Deco French Platinum Diamond Brooch Weighing 21.9 grams Set with app. 9.50 Ct. of Diamonds E-G Color, VVS-VS Clarity 2 inches in lengthSee Sold Price
Sold2022Art Deco Platinum Diamond BroochArt Deco Platinum Diamond Brooch Weighing 15.1 grams Set with 135 Diamonds weighing app. 9.00 Ct. E-G Color, VS1-SI2 Clarity 2.25 x 1 inchesSee Sold Price
Sold2022GORGEOUS PLATINUM & DIAMOND BROOCHThis fabulous platinum & diamond brooch is stunning! The piece features a total of one hundred eighteen (118), prong set, round brilliant and round single cut diamonds and thirty-seven (37), channel sSee Sold Price
Sold2019Vintage Platinum & Diamond Brooch or PinVintage fancy and large floral and bow brooch. 139 high quality diamonds with a approx. weight of 9.60ct set in a hand fabricated platinum setting. Unmarked, tested for platinum. approx 1.5" X 2" withSee Sold Price
Sold2015Platinum Diamond Brooch.RBC, OEC and single cut diamonds approximately 8 cts TW. Approximately I-K, SI. 11.1 dwts.See 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
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
Sold2022Victorian 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
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Sep 30Adam's AuctioneersA FINE DIAMOND BROOCH, CIRCA 1930 Of scrolled design, set with graduated clusters composed of€1,600