Sold2022Edwardian Platinum Brooch Set w/ DiamondsEdwardian brooch from beginning of 20th century designed as a half crescent, made of platinum (acid tested - the pin on the reverse is made of 18K Yellow Gold) and set with many lovely Old European CuSee Sold Price
Sold2021Mid Century Platinum 18k Gold Diamond Brooch PinMid century platinum and 18k yellow gold brooch with rose cut and old mine cut diamonds. Center diamond approx. 0.21ct, surrounding diamonds approx. 1.60ctw. Brooch is 48mm x 38mm. Tested: Plat, 18k.See Sold Price
Sold2020Mid Century 18K Gold Platinum Diamond Floral RingMETAL: 18k Gold and Platinum. GEMSTONES: Rose and old mine cut diamonds approx. 18 stones (old mine diamonds approx. 0.22ctw) , one prong is missing. MEASUREMENTS: Ring size 8, ring top is 13mm wide.See Sold Price
Sold2021Mid Century 18k Gold Platinum Diamond RingMETAL: 18k gold and platinum. GEMSTONES: Diamonds approx. 1.80-2.00ctw. Synthetic rubies. MEASUREMENTS: Ring size 6 1/2, ring top is 12.6mm wide. TESTED: Plat/ 18k. WEIGHT: 4.3 grams.Gemstones have noSee Sold Price
Sold202418K Gold Platinum Brooch Set w Gem Stones18K Yellow Gold and Platinum Custom Made Brooch Set with Gem Stones including Tourmaline, Diamonds, and More. Brooch weights 20.7 grams and measures 2.75 inches x 2 inches. Largest stone is approximatSee Sold Price
Sold2021Mid Century 18K Gold Platinum Diamond EarringsMETAL: 18k Gold and platinum. GEMSTONES: Old mine cut diamonds approx. 2.28-2.50ctw (multiple stones are chipped). MEASUREMENTS: Earrings are 20.5mm x 10.5mm. TESTED: 18k Plat. WEIGHT: 8 grams.GemstonSee Sold Price
Sold2021Mid Century 18K Gold Platinum Diamond EarringsMETAL: 18k Gold and Platinum. GEMSTONES: Center two diamonds approx. 0.28-0.30ct each. Side rose cut diamonds approx. 30 stones. MEASUREMENTS: Earrings are 22mm x 17mm. TESTED: 18k Plat. WEIGHT: 7.5 gSee Sold Price
Sold2021Mid Century 18K Gold Platinum Diamond EarringsMETAL: 18k Gold and platinum. GEMSTONES: Center diamonds approx. 0.32ctw, surrounding rose cut diamonds approx. 64 stones. MEASUREMENTS: Earrings are 22mm x 24mm. MARKED: Hallmarks. WEIGHT: 9.2 grams.See Sold Price
Sold2022Platinum & 18k Gold Brooch with Diamonds & SapphiresNice Plaque Brooch crafted in 18k yellow Gold and Platinum on top, accented with Diamonds weighing Approx. 0.45 carats total weight. Along with 4 Baguette Sapphires. Measurements: 1.20 x 0.85 inches.See Sold Price
Sold2021Mid Century 18K Gold Platinum Diamond RingMETAL: 18k Gold and Platinum. GEMSTONES: Center old mine diamond approx. 0.23ct, surrounding diamonds approx. 67 stones (one stone is missing). MEASUREMENTS: Ring size 5, ring top is 19.5mm wide. TESTSee Sold Price
Sold2021Mid Century 18K Gold Platinum Diamond Band RingMETAL: 18k Gold, Platinum. GEMSTONES: Diamonds. MEASUREMENTS: Ring size 6 1/4, ring band is 5.2mm wide. TESTED: 18k, Plat. WEIGHT: 4.7 grams.Gemstones have not been graded for color and clarity ,and tSee 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
Sold2022TIFFANY AND CO 18K GOLD PLATINUM DIAMONDS BROOCHTiffany and Co 18K Gold and Platinum brooch. The brooch is made in the shape of a flower and encrusted with diamonds. Marked with standard Gold and Platinum hallmarks, Tiffany and Co copyright, on theSee Sold Price
Sold2021Art Deco Tiffany & Co Platinum 18k Gold Bar BroochMETAL: Platinum and 18k Gold. GEMSTONES: Diamonds approx. 1.50ctw. MEASUREMENTS: Brooch is 46mm x 4.2mm wide. MARKED: Tiffany & Co. WEIGHT: 6.1 grams.Gemstones have not been graded for color and cSee Sold Price
Sold2022Diamond, Platinum and 18K Gold Brooch,57 round diamonds totaling 1.75 carat, high grade, double locking bar closure, 21.7 grams, with appraisal of $7,850.00, 1 5/8" X 2 3/4".See Sold Price
Sold201918k Gold Platinum Diamond Brooch PinMETAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 79mm x 30mm. GEMSTONES: Diamonds approx. 115 stones. TESTED: 18k/plat top. WEIGHT: 11.7 grams.Gemstones have not been graded for color and clarity ,aSee Sold Price
Sold2018Seidengang 18k Gold Platinum Diamond BroochMETAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch measures 69mm x 39mm. GEMSTONES: Diamonds approx. 0.26ctw. MARKED: Maker's mark, plat, 18k. WEIGHT: 28.4 grams.Gemstones have not been graded for coSee Sold Price
Sold2019Antique Platinum 18k Gold Diamond Brooch PinMETAL: Platinum/ 18k Gold. MEASUREMENTS: Brooch is 69mm x 21mm. Chain is 3.75" long (with safety pin). TESTED: Plat top/ 18k gold. WEIGHT: 13.9 grams.Gemstones have not been graded for color andSee Sold Price
Sold2024French Shell Cameo, 18k Gold, Platinum Pendant Brooch.French Shell Cameo, 18k White Gold, Platinum Pendant Brooch. Featuring one shell cameo depicting Dionysus, set in an 18k white gold, platinum pendant brooch mounting measuring approximately 38 x 30 mmSee Sold Price
Sold2021Art Deco Diamonds, Pearl 18k Gold & Platinum Bug BroochArt Deco Bug brooch Crafted in 18k yellow Gold and Platinum, set with Diamonds, Two Round Shaped Rubies and a 8mm Round Pearl. Weight: 5.6g. Measurements: 1.4x0.8".See Sold Price
Sold202018k Gold Platinum Diamond Ruby BroochMETAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 34mm in diameter. GEMSTONES: Rubies, Diamonds approx. 0.80ctw. MARKED: with gold marks on stem. WEIGHT: 18.5 grams.Gemstones have not been graded forSee Sold Price
Sold2021David Webb 8.00ctw Diamond Platinum/18K BroochDavid Webb 8.00ctw VVS2-VS1/F-G Diamond Solid Platinum/18K Yellow Gold Brooch - This stunning brooch was made by David Webb and was finely crafted of solid platinum and 18k yellow gold. The brooch offSee Sold Price
Sold2018Verdura "Target" Diamond BroochVerdura "Target" Diamond, Platinum, 18k Yellow Gold Brooch. Designed as arrows in a bull's-eye, featuring round brilliant-cut diamonds weighing a total of approximately 1.60 cttw., set in a platinum aSee Sold Price
Sold2022Retro 18k Gold Platinum Diamond Sapphire Clip BroochMETAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 85mm x 50mm, converts into two clips. GEMSTONES: Sapphires, Rose cut diamonds approx. 70 stones. TESTED: 18k/ Plat. WEIGHT: 41.4 grams.Gemstones haveSee Sold Price
5 days LeftMiami Auction GalleryLindsay & Co. Vintage Emerald Platinum 18K Gold Frog Brooch Pin$3,600
1 day LeftBidhausKutchinsky Platinum & 18K Yellow Gold Diamond Flower Brooch And Earrings Jewelry Set$10
2 days LeftMynt AuctionsKutchinsky Platinum & 18K Yellow Gold Diamond Flower Brooch And Earrings Jewelry Set$5
3 days LeftBidhausKutchinsky Platinum & 18K Yellow Gold Diamond Flower Brooch And Earrings Jewelry Set$10
May 31Mynt AuctionsDavid Webb Tadpole Platinum & 18K Yellow Gold Green Enamel Ruby Eyes Diamond Lips Brooch$5