Sold2019Turquoise, Diamond, Platinum Brooch The broochTurquoise, Diamond, Platinum Brooch The brooch features oval-shaped turquoise cabochons ranging in size from 55.00 x 34.00 mm to 80.00 x 25.00 mm, enhanced by full-cut diamonds weighing a total of appSee 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
Sold2024Antique French Platinum Gold Turquoise Diamond Brooch PinMETAL: Platinum/18k Gold. GEMSTONES: Diamonds approx. 1.20ctw. Turquoise - 10mm x 8.5mm. MEASUREMENTS: Brooch is 37mm x 25mm. MARKED: French Eagle's head Hallmark. Tested - Plat. WEIGHT: 10.7 gramSee Sold Price
Sold2022Turquoise and Diamond Flower Brooch Item # 6911 Category Pins & Clips Art Deco Platinum TurquoiseTurquoise and Diamond Flower Brooch Item # 6911 Category Pins & Clips Art Deco Platinum Turquoise and Diamond Flower Brooch Weighing 20.9 grams Set with an app. 18.00 Ct. real Turquoise Oval CabochonSee Sold Price
Sold2022A gold, platinum, tourmaline, diamond, and turquoise brooch, Tiffany & Co. SchlumbergerA gold, platinum, tourmaline, diamond, and turquoise brooch, Tiffany & Co. Schlumberger designed as a textured 18K gold salamander set throughout with emerald-cut tourmalines, platinum dactyly set witSee 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
Sold2020Madeleine Turner brooch, vase holding flowersMadeleine Turner (b. 1905) brooch designed as a vase holding a bouquet of flowers New York, New York 18K gold, platinum, turquoise, diamonds stamped marks 8.0 dwts 1 1/8"w x 1 7/8"h Provenance: GroganSee Sold Price
Sold2017Collection of Four Diamond, Seed Pearl, Turquoise,Collection of Four Diamond, Seed Pearl, Turquoise, Platinum-Topped, Yellow Gold Bar Brooches. Including one diamond, seed pearl, platinum, 14k yellow gold bar brooch measuring approximately 5 x 60 mm;See Sold Price
Sold2023AN 18K GOLD, PLATINUM, DIAMOND AND GEM-SET CLIP BROOCHAN 18K GOLD, PLATINUM, DIAMOND AND GEM-SET CLIP BROOCH Elevating figural coral and turquoise carvings upon fluted pedestals accented by round, old mine-cut, old European-cut and single-cut diamonds anSee Sold Price
Sold2016An Art Deco Turquoise, Diamond And Gemstone BroochCentering a round cabochon turquoise in a pierced millegrain platinum motif, set throughout with old full and single cut diamonds with calibré cut gemstone flowers and turquoise detailing; total diamSee 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
Sold2022Estate Diamond & Gems 18k Yellow Gold Turtle Brooch PinThis adorable brooch is crafted from 18k yellow gold with a polished finish featuring a handmade turtle, featuring small assorted shape gemstones, turquoise, Mother of pearl and black onyx, all mounteSee Sold Price
Sold201918k Gold Turquoise Diamond Floral Form Brooch18 yellow gold turquoise and diamond brooch / pin. The brooch has 3 engraved turquoise flowers. Diamond stones to the flowers and to one of the leaves. Weight Approx., 23.61 grams Measures Approx., 2.See Sold Price
Sold2018Art Deco Diamond, Platinum, White Gold Clip-BrooArt Deco Diamond, Platinum, White Gold Clip-Brooch The brooch features European and baguetSee Sold Price
Sold2020South Sea Baroque Pearl and Diamond BroochSouth Sea Baroque Pearl and Diamond Brooch platinum, the brooch mounted with white South Sea baroque pearls with a good luster, measuring approximately 11.50 mm to 12.50 mm, accented by baguette-, triSee Sold Price
Sold2021Diamond BroochDiamond Brooch platinum, the brooch mounted with round brilliant-cut diamonds weighing approximately 1.43 carats in total, and accented with a round-cut treated ruby for the eye, weighing approximatelSee Sold Price
Sold2021ART DECO PLATINUM SAPPHIRE & DIAMOND ROUND BROOCHOne Art Deco period lady's round platinum diamond & sapphire brooch. The brooch measures approx. 1.50" round and features a total of twenty-three (23), bead set old mind cut diamonds measuring 1.70 -See Sold Price
Sold2017Diamond, Platinum Brooches, Tiffany & Co. The SDiamond, Platinum Brooches, Tiffany & Co. The Seagull brooches featureSee Sold Price
Sold2023Raymond C. Yard Diamond Penguin BroochRaymond C. Yard Diamond Penguin Brooch platinum, the brooch mounted with round brilliant-cut diamonds weighing approximately 2.50 carats in total, accented with black enamel, stamped "YARD". size 1-1/See Sold Price
Sold2021Turquoise Gold BROOCH PIN with 7.50 cts Diamond RubyVK GTOO c.1970’s Turquoise, Diamond, Ruby, Sapphire, Emerald & Gold Brooch · Wonderful brooch that is a great addition to your collection. · Weight is 53.6 grams. · Made of 18k (tested) yellow anSee Sold Price
Sold2021Edwardian Diamond, Tourmaline, Emerald, PlatinumEdwardian Diamond, Tourmaline, Emerald, Platinum Pendant-Brooch The pendant-brooch features a rectangular-shaped step-cut pink tourmaline measuring 10.87 x 9.19 x 5.52 mm and weighing approximately 4.See Sold Price
Sold2019Platinum Diamond Bird BroochPlatinum Diamond Bird Brooch Diamond Bird Brooch In the form of a bird of paradise containing numerous full and baguette cut diamonds weighing approximately 3.0 carats total, ruby eye. 1.875" x 1.See Sold Price
Sold2022Angel Wing 18K Yellow Gold Persian Turquoise Fine Diamond Mid Century BroochTitle: Angel Wing 18K Yellow Gold Persian Turquoise Fine Diamond Mid Century Brooch Description:This brooch is a very unique piece with fine diamonds and nearly flawless turquoise. The mil grain textSee Sold Price
Sold2022Etruscan Revival Gold, Turquoise, and Diamond BroochEtruscan Revival Gold, Turquoise, and Diamond Broochthe round dome shaped brooch centered with an old mine cut diamond melee set within a cluster of cabochon turquoise accents, with cannetille detailiSee Sold Price
1 day LeftAdam's AuctioneersA TURQUOISE, LAPIS LAZULI AND DIAMOND BROOCH, BY VAN CLEEF & ARPELS, CIRCA 1965 Of foliate design, €110(2 bids)