2023Vintage Diamond & Platinum BroochThe classic bygone days of Golden Age Hollywood glamour are evoked in these fabulous, ultra-sparkling double diamond spray clips. Masterfully hand fabricated in platinum in free form cornucopia style,See Sold Price
2023Vintage CARTIER 18k Diamond & Platinum Detachable Set Vintage CARTIER 18k Yellow Gold & Platinum Weight 75.19gr Diamond Approx 1ct Single Cut VS1 G Detachable Set  Measurement Bracelet 7.5”x0.38”  Necklace 15.5”x0.44” BrSee 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
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
Sold2022Vintage Platinum Diamond BroochVintage Platinum Diamond Brooch, Spectrometer tested platinum, with estimated approx. 1.35 carats diamonds both prong set and bead set also three baguette cut diamonds, pin mechanism works properly, 1See Sold Price
Sold2022A VINTAGE DIAMOND BROOCH in platinum, designed as a scrolling spray, set with pear and baguette cutA VINTAGE DIAMOND BROOCH in platinum, designed as a scrolling spray, set with pear and baguette cut diamonds all totalling approximately 5.8-6.2 carats, stamped PT, 5.4cm, 19.3g.See Sold Price
Sold2023A VINTAGE DIAMOND BROOCH in platinum, set throughout with old cut diamonds, the diamond totalling...A VINTAGE DIAMOND BROOCH in platinum, set throughout with old cut diamonds, the diamond totalling 2.0-2.2 carats, Portuguese assay marks, 4.0cm, 10.6g. See Sold Price
Sold2022Vintage Platinum Diamond Heart Brooch PendantThis is a vintage platinum heart shaped pendant/brooch studded with 48 Old European cut diamonds. SI-I clarity and GH-HI color. 1 3/8 x 1 3/8". It weighs a total of 8.1g. Draft title TW estimate seemsSee Sold Price
Sold2021Vintage Platinum & Diamond Bow BroochOne 20-point center stone with channel set round and baguette diamonds. Very clean and brilliant diamonds. Unmarked. 1 3/4" x 1". 8.5 grams, inclusive. In good condition.See Sold Price
Sold2023Vintage Platinum Diamond & Pearl BroochVintage Platinum Diamond & Pearl Brooch. Measures approx. - 2 1/4" long. Weight - 2.3 dwt.See Sold Price
Sold2018Vintage Diamond, Platinum, 14k Yellow Gold Bow Brooch.Vintage Diamond, Platinum, 14k Yellow Gold Bow Brooch. Designed as an open work bow with black velvet backing, the center featuring one old European-cut diamond weighing approximately 0.30 ct., accentSee Sold Price
Sold2020Vintage pair of diamond and platinum clip broochesset with 90 table, old mine, and round/pear-shaped rose-cut diamonds, totaling an estimated: 1.00cts; with 14k white gold clip back findings; weighing approximately 9.5 grams; each measures: 1 x 3/4inSee Sold Price
Sold2023Cartier's 1940s 18KYG Dia&Ruby&Sapphire&Emer Butterfly Pin/Brooch w $30K COA!!}This 1940s Vintage Cartier. Ruby & Diamond & Sapphire & Emerald Butterfly Brooch/Pin in 18K Yellow Gold features (7) pinkish-red round Rubies (3) green round Emeralds (5) blue round Sapphires and 29 rSee Sold Price
Sold2019Cartier silver diamond engagement ring with sz 50Vintage Cartier white gold (platinum) diamond engagement ring. Previously owned item; Imperfections are a unique aspect of vintage product. Sz 50=US 5.25See Sold Price
Sold2023Cartier 14K Gold, Diamond and Sapphire BroochVintage Cartier 14K gold, diamond and sapphire brooch. Single diamond in the center with 9 sapphires around the edge. Signed "Cartier" on brooch clip. Stamped "14KT" on brooch clip. 17.25 grams totalSee 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
Sold2022CARTIER, A VINTAGE CITRINE AND DIAMOND BROOCH, 1940s in 18ct yellow gold, designed as a floralCARTIER, A VINTAGE CITRINE AND DIAMOND BROOCH, 1940s in 18ct yellow gold, designed as a floral cluster, set with emerald, pear and fancy cut citrines, accented by round cut diamonds, signed Cartier, nSee Sold Price
Sold2021JEWELRY. Vintage Platinum and Diamond Brooch.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 cut diamonds. Total approx. weigSee Sold Price
Sold2022Vintage Platinum 3.5tcw Diamond Circle Brooch PinThis is an elegant vintage circle brooch pin rendered in fine platinum. The Art Deco pin is studded with 3.5tcw Old European and Old Mine cut diamonds of VS clarity and GH color. It is 1 3/8" diameterSee Sold Price
Sold2022Vintage Platinum Emerald & Diamond Flower BroochVintage Platinum Emerald & Diamond Flower Brooch, Containing Seven (7) Natural Bright Green Emerald = approx .40cts and Seventy-Nine (79) Round Brilliant Cut Diamonds = approx 1ct, The StoSee Sold Price
Sold2024Cartier Vintage Platinum Emerald Cut Diamond Sapphire RingMetal : Platinum Designer : Cartier Gemstone : Diamond approx. 1.20ct E VVS1. Sapphire Measurements : Ring size 6 1/4, top is 8.3mm Marked: : Cartier Plat, C41272 Weight:See Sold Price
Sold20223.6 CTW DIAMOND & PLATINUM WREATH BROOCHVintage platinum and diamond circular pin with interlocking ribbon form comprising of 3.6 ctw diamonds (VS - SI clarity, G-H color). Unmarked. Ahlers & Ogletree, Inc. reserves the right to demand paymSee Sold Price
Jun 15Hess Fine AuctionsCartier Platinum 18k Gold Diamond Enamel Flower Signed Numbered African Wedding Brooch w/ Box$200(8 bids)
Jun 23Modern JewelryTiffany & Co. 2.75 Carat Round Brilliant F VS1 Diamond Pearl Platinum Brooch$12,750
Jun 20Modern JewelryHenri PIQUET Turquoise Diamond Platinum Pin BROOCH Clip Art Deco1920s French$21,250