Sold2018EXQUISITE PLATINUM AMETHYST & DIAMOND BROOCHLadies' exquisite circular platinum brooch, set with approx. ten rectangular cut sections of stunning Amethyst, alternating with settings containing round brilliant cut Diamonds. Measures approx. 1-3/See Sold Price
Sold2022David Webb 18K Platinum, Amethyst and Diamond BroochDavid Webb exceptional Brooch Pendant Authentic and signed Large 30mm X 18mm Faceted Amethyst set in 18k gold and Platinum. 31.7 Grams with Approx 1.5 Carats Diamonds. This is a great collector pieceSee Sold Price
Sold2022Marcus & Co. Platinum, Gold, Amethyst and Diamond BroochMarcus & Co. Platinum, Gold, Amethyst and Diamond Brooch One lozenge-shaped amethyst ap. 27.0 x 18.0 x 9.7 mm., rose-cut diamonds, signed M & Co., c. 1915, ap. 8.2 dwts. CSee Sold Price
Sold2022Exquisite 14K White Gold Amethyst & Diamonds BroochExquisite 14K White Gold Amethyst & Diamonds Brooch. Victorian. Great quality. Marked: 14K; 2.5 dwt; size 1 in. x 5/8 in.See Sold Price
Sold202014K/Platinum Amethyst & Diamond Double Clip BroochRetro 14K rose gold and platinum, amethyst and diamond double clip brooch, composed of two 18mm x 15mm emerald-cut amethyst and eight round single-cut diamonds, approx: 0.50 ct tw., color: H-I, claritSee Sold Price
Sold2021Attributed to Edward Everett Oakes Arts and CraftsAttributed to Edward Everett Oakes Arts and Crafts Gold, Platinum, Diamond, Amethyst and Pearl Brooch The shield-shaped brooch of open-work scrolling grape vines set throughout with 5 oval and round aSee Sold Price
Sold2018*An 18 Karat Yellow Gold, Platinum, Amethyst, DiamondAn 18 Karat Yellow Gold, Platinum, Amethyst, Diamond and Ruby Articulated Turtle Pendant/Brooch, containing one oval mixed cut amethyst weighing approximately 23.91 carats, seven round brilliant cut dSee Sold Price
Sold2020Platinum Diamond Aquamarine Brooch PinExquisite platinum brooch, decorated with 5 aquamarines and approx. 4.60ctw in diamonds. Brooch measures 29mm x 38mm. Weight - 16.2 grams.See Sold Price
Sold2023Tiffany & Co Schlumberger Persian Turquoise Amethyst Diamond 18k Gold Platinum Butterfly BroochTitle: Tiffany & Co. Schlumberger Persian Turquoise Amethyst 1.85ctw Diamond 18k Gold Platinum Butterfly Signed Numbered Brooch Description: A fanciful butterfly design made in platinum & 18k gold feaSee Sold Price
Sold2017.900 PLATINUM 11CTW DIAMOND FLORAL BROOCH.900 PLATINUM 11CTW DIAMOND FLORAL BROOCH Exquisite .900 Fine Platinum Set Floral Bouquet Motif Brooch, Heavily Accented with Approximately 11.2ctw of Brilliant Round, Pear, Baguette, Emerald, and MarSee Sold Price
Sold2022French Art Deco Platinum Diamond Emerald and Amethyst Floral Brooch Trabert & Hoeffer MauboussinTitle: French Art Deco Platinum Diamond Emerald and Amethyst Floral Brooch Trabert & Hoeffer Mauboussin Description: French Art Deco Platinum Diamond Emerald and Amethyst Floral Brooch Trabert & HoeffSee Sold Price
Sold2021Amethyste & Platinum Cameo BroochA micro pearl Platinum Pearl Diamond Amethyst Cameo featuring the image of a craved saint Meaudrements: 1.5x1.3" Weight: 11.9g.See Sold Price
Sold202114.00ct Amethyst, 0.20ctw Diamond & Platinum Ring14.00ct Amethyst, 0.20ctw Diamond & Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts an approximately 14.00ct emerald cut amethyst which displays an exquisite vivSee Sold Price
Sold2022AN EXQUISITE BELLE EPOQUE PINK TOPAZ AND DIAMOND BROOCH in yellow gold and platinum, set to theAN EXQUISITE BELLE EPOQUE PINK TOPAZ AND DIAMOND BROOCH in yellow gold and platinum, set to the centre with a cushion cut pink topaz of approximately 7.35 carats, within two concentric borders of oldSee Sold Price
Sold2023Van Cleef & Arpels 18K Platinum Diamond ClipItem/Description: Exquisite signed Van Cleef & Arpels, New York dress clip brooch. "Ludo Hexagone" dress clip (the name is a reference to Louis Arpels nickname, "Ludo".) Masterfully crafted in 18K yelSee Sold Price
Sold2023Vintage 4.35cts Diamond Cabochon Ruby Sapphire Platinum Floral Brooch Pinweighing approximately 10.0 grams. crafted in solid Platinum, this exquisite piece is adorned by an outstanding (4) Large Genuine Diamonds round-cut, prong-set, ( G-H color and VS clarity) & (16) LargSee Sold Price
Sold2023Vintage Diamond Flower Platinum 18K Yellow Gold French BroochThis exquisite Vintage large flower brooch is crafted in France in solid 18-karat yellow gold and platinum, weighing 28.3 grams and measuring 3" long x 2" wide. Simulating a flower with concave peatalSee Sold Price
Sold2017JEWELRY. Amethyst and Diamond Jewelry Grouping.Includes a 14kt white gold and amethyst briolette pendant with diamond accents and trefoil of diamonds to bail, on a 14kt white gold chain; and a platinum brooch with central oval cut amethyst with aSee Sold Price
Sold2021Henry Dunay 6.50ctw Diamond, Pearl, Turquoise BroochHenry Dunay 1990s 6.50ctw VS1-VS2/F-G Diamond, 11.5mm Pearl, Turquoise and Solid Platinum/18K Yellow Gold 2.6" Brooch - This exquisite brooch from Henry Dunay is crafted of finely textured platinum wiSee Sold Price
Sold201818KT Gold, Platinum, and Multi-Gemstone Brooch, signed18KT Gold, Platinum, and Multi-Gemstone Brooch, signedthe carved amethyst urn with a gold and diamond accented base, the finely carved gemstone bouquet to include aquamarine, pink tourmaline, citrine,See Sold Price
Sold2023Three Ladies 14k Yellow Gold Pins and a BroochThree Ladies 14k Yellow Gold Pins and a Brooch. Comprising a 14k and platinum diamond bow, and pin set with an amethyst, a stick pin set with a smokey quartz, and a nautical glass brooch with anchor mSee 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 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
May 14Adam's AuctioneersAN AMETHYST AND DIAMOND PENDANT/BROOCH, BY BOUCHERON, CIRCA 1965 The stylised ropetwist bow centrin€0
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