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
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
Sold2020PLATINUM & DIAMOND SPRAY BROOCHcontaining 14 pear and full cut diamonds [H-K/SI1-SI2] weighing approximately 4.34 carats total; six full cut diamonds [I/SI1-SI2] weighing approximately 0.84 carats total; 30 full cut diamonds [I/SI1See Sold Price
Sold2022A PLATINUM AND DIAMOND SPRAY BROOCHA PLATINUM AND DIAMOND SPRAY BROOCH Set throughout with pear-shaped and round diamonds, weighing approximately 5.25 carats, measures 2 x 1 1/4 in.See Sold Price
Sold2020David Webb Diamond Large Leaf BroochCrafted in 18K gold and platinum; set with marquise-, round brilliant- and baguette-cut diamonds, weighing a total of approximately 7.35 carats, most with F-G color and VS clarity; measures 2-1/2 x 2-See Sold Price
Sold2022A diamond and platinum spray broochA diamond and platinum spray brooch designed as a tapered baguette-cut diamond ribbon, set with brilliant-cut, marquise, and pear-cut diamonds; estimated total diamond weight 10.50 carats. (Weight: 11See 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
Sold2019Diamond, Platinum, White Gold, Pendant-Brooch-NeDiamond, Platinum, White Gold, Pendant-Brooch-Necklace The pendant-brooch features marquise-shaped diamonds weighing a total of approximately 2.35 carats, enhanced by baguette-cut diamonds weighing aSee Sold Price
Sold2018An Edwardian Platinum, Diamond and Seed Pearl BarAn Edwardian Platinum, Diamond and Seed Pearl Bar Brooch, containing seven old European cut diamonds weighing approximately 0.35 carat total and four seed pearls (origin not tested) measuring approximSee Sold Price
Sold2021Platinum and Diamond Ring and Sterling Silver JewelryPlatinum and Diamond Ring and Sterling Silver Jewelry Assortment Ring having (5) round cut diamonds weighing approximately 0.35 carats total, marked 'IRID-PLAT'; as well as (4) silver brooches with (3See Sold Price
Sold202455326: David Webb Diamond, Ruby, Enamel, Platinum, GolDavid Webb Diamond, Ruby, Enamel, Platinum, Gold Brooch Stones: Transitional-cut diamonds weighing a total of approximately 0.35 carat; ruby cabochons ElementSee Sold Price
Sold202255204: Diamond, Platinum Brooch, circa 1950 Stones: MaDiamond, Platinum Brooch, circa 1950 Stones: Marquise-shaped diamonds weighing a total of approximately 10.50 carats; round brilliant and full-cut diamonds weighing a totSee Sold Price
Sold2019* An Art Deco Platinum and Diamond Bar Brooch, 5.80* An Art Deco Platinum and Diamond Bar Brooch, containing one old European cut diamond weighing approximately 0.23 carat and 28 old European and round single cut diamonds weighing approximately 1.35 cSee Sold Price
Sold2022A PLATINUM AND DIAMOND BROOCHA PLATINUM AND DIAMOND BROOCH Featuring round, marquise-shaped, tapered baguette and baguette diamonds weighing approximately 7.00 carats in a swirling spray design, with original fitted box, measuresSee 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
Sold2020Exquisite Platinum & 3.5 Carat Diamond Ring9.9 mm, 3.8 LM range. Size 6 3/4. 4.8 DWT. Approx. 3.5 carats. European cut. SI1 clarity. Approx 7.6 grams. Please note that all sales are final. No refunds will be given under any circumstances.See Sold Price
Sold2024Tested platinum and diamond spray brooch: 22 grams 3 1/2" long; approx. 3.0 TCW (missing 2 diamonds)Tested platinum and diamond spray brooch: 22 grams 3 1/2" long; approx. 3.0 TCW (missing 2 diamonds)See Sold Price
Sold2023JEWELRY. Platinum and Diamond Spray Brooch.Platinum brooch displaying (3) panel of (30) round brilliant cut diamonds and (58) single cut diamonds. Apparently unmarked. Brooch weighs approx. 9.9 dwt (gross). From a Briarcliff, NY estate. DimensSee Sold Price
Sold2015Diamond, Platinum Spray Brooch.Diamond, Platinum Spray Brooch. Designed as a spray featuring eight marquise-cut, forty-eight baguette-cut and seventy-four full-cut diamonds weighing approximately 5.00 cttw. set in platinum. {GrossSee Sold Price
Sold2023JEWELRY. Platinum and Diamond Spray Form Brooch.Platinum spray form brooch inlaid throughout with single cut diamonds. Total approx. weight is 9.8 dwt (gross). From a Garden City, NY estate. Dimensions: brooch measures approx. 3.45" w x 1.20&qSee Sold Price
Sold2018Platinum approx 11.00 carat Diamond Brooch.Platinum approx 11.00 carat Diamond Brooch. Antique Style. VS. F-G Color.See Sold Price
Sold2017Estate 18kt Gold 2.35 Ct Diamond Spider BroochEstate Italian 18kt White Gold & Approximately 2.35 Carats of Diamond Spider Brooch Pin. Made by Estro in Italy. Hallmarked. Featuring a pave diamond spider and diamonds in the web. Measures 1.75 inchSee Sold Price
Sold2022Platinum, 4.74 Carat Diamond & Pearl Flower BroochPlatinum, Diamond & Pearl Flower Broochcentering a 0.48 carat Old Mine Cut diamond accented by rose cut, single cut, Old European and Old Mine Cut diamonds weighing a total of 4.26 carats, suspendingSee Sold Price
Sold2022Raymond Yard Gold, Platinum, Diamond and Ruby Spray Clip-BroochRaymond Yard Gold, Platinum, Diamond and Ruby Spray Clip-Brooch 11 old European-cut diamonds ap. .95 ct., 34 baguette and modified baguette diamonds ap. 1.30 cts., 14 square and fancy-shaped rubies apSee Sold Price
6 days LeftHeritage Auctions55381: Burma Ruby, Diamond, Platinum, White Gold BroochUS$5,000
6 days LeftHeritage Auctions55382: Ceylon Sapphire, Diamond, Platinum Brooch StoneUS$30,000
Oct 20Miami Auctions & Appraisals LLC Antique Deco 6.55cts Old European Diamond Platinum Filigree Brooch PinUS$14,000
Oct 23Miami Auction GalleryAntique Deco 6.55cts Old European Diamond Platinum Filigree Brooch PinUS$14,000
17 hrs LeftDawsons AuctioneersAn old-cut diamond floral brooch, designed as a spray of flowers, the three larger bezel-set£750
1 day LeftDOYLE Auctioneers & AppraisersVan Clief Gold, Platinum and Diamond Ribbon Spray BroochUS$1,000