Sold2021platinum and diamond broochSPILLA IN PLATINO E DIAMANTI di forma rotonda lavorata a traforo e incastonata a milligrano con al centro un diamante taglio brillante di ct 0,35 ca. impreziosito da diamanti taglio huit-huit di ct 0,See Sold Price
Sold2020Round diamond millegrain set platinum brooch, centralRound diamond millegrain set platinum brooch, central diamond ct. 0.60 circa, other smaller diamonds in all ct. 1.70 circa, g 15.80 circa, length cm 5.80 circa. IT Spilla in platino con diamanti rotonSee Sold Price
Sold2015Spilla barrette in platino, primi del Novecentoincisa e sbalzata, con tre diamanti centrali taglio vecchio e diamanti taglio rosa, cts. 4.00 totali circa. Cm. 9. Gr. 8 An early 20th Century platinum brooch with old cut diamonds and rose cut diamonSee Sold Price
Sold2016SPILLA IN LAPISLAZZULI E DIAMANTI LAPIS LAZULI ANDLAPIS LAZULI AND DIAMOND BAR BROOCH, 1930 CIRCA in platinum with bar centered with an Old European-cut diamond of approx. ct 0,50 surrounded by lapis lazuli and diamonds of approx. ct 1,30. French assSee Sold Price
Sold2018Round and rose cut diamond, calibré sapphire, platinumRound and rose cut diamond, calibré sapphire, platinum and gold brooch, g 10.07, length cm 9.20 circa.Broche in oro giallo e platino con diamanti rotondi, mezza rosetta e zaffiri calibré, g 10,07, lSee Sold Price
Sold2018Rose cut diamond, seed pearl and carré sapphire goldRose cut diamond, seed pearl and carré sapphire gold and platinum brooch, g 4.28, length cm 3.50 circa.Broche in oro giallo e platino con piccoli diamanti a mezza rosetta, microperle e zaffiri carrèSee 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
Sold2022Art Deco French Platinum Diamond BroochArt Deco French Platinum Diamond Brooch Weighing 21.9 grams Set with app. 9.50 Ct. of Diamonds E-G Color, VVS-VS Clarity 2 inches in lengthSee Sold Price
Sold2022Art Deco Platinum Diamond BroochArt Deco Platinum Diamond Brooch Weighing 15.1 grams Set with 135 Diamonds weighing app. 9.00 Ct. E-G Color, VS1-SI2 Clarity 2.25 x 1 inchesSee Sold Price
Sold2022GORGEOUS PLATINUM & DIAMOND BROOCHThis fabulous platinum & diamond brooch is stunning! The piece features a total of one hundred eighteen (118), prong set, round brilliant and round single cut diamonds and thirty-seven (37), channel sSee 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
Sold2015Platinum Diamond Brooch.RBC, OEC and single cut diamonds approximately 8 cts TW. Approximately I-K, SI. 11.1 dwts.See Sold Price
Sold2023Platinum Diamond Brooch11 pear cut diamonds, approx. 2.00ctw., G-H, VS2-SI1, 70 assorted cut diamonds, straight baguettes, tapered baguettes, lozenge, trapezoids, approx. 4.15ctw., G-H, VS2-SI1, length 2-1/8 in. at longestSee Sold Price
Sold20152 ct. Platinum & Diamond Brooch346-661 Two Carat Platinum and Diamond Brooch. Art Deco Setting. 2.5" long. World Class item. Would make a stunning Pendant. Good stones, incredible Mine Cut Diamonds.See Sold Price
Sold2022Victorian 18K & Platinum Diamond BroochVictorian 18K & Platinum Diamond Brooch Weighing 9.1 grams Set with 49 Old European-cut Diamonds weighing app. 2.60 Ct. F-H Color, VVS-VS Clarity 2 inches in lengthSee Sold Price
Sold2020Art Deco Platinum Diamond Brooch PinArt Deco platinum brooch/pin decorated with mixed cut diamonds. Center stone- Old European cut diamond-approx. 0.79ct (VS2/I), two side stones-Old European cut diamonds-approx. 0.55ctw (SI1-SI2/I-J),See Sold Price
Sold2019PLATINUM & DIAMOND BROOCH, 6.50CTWPLATINUM & DIAMOND BROOCH, 6.50CTW set with 58 marquise and round diamonds approx. 6.50 carats (in our opinion: I color, VS2-SI1clarity, however not guaranteed), largest diamond 0.34 carats, tests plaSee Sold Price
Sold2020Platinum Diamond Brooch PendantMETAL: Platinum. GEMSTONES: Diamonds approx. 3.00ctw. MEASUREMENTS: Brooch is 42mm x 33mm. has a hook on the bottom to attach a drop. TESTED: Plat. WEIGHT: 12.5 grams.Gemstones have not been graded foSee Sold Price
Sold2022Tiffany & Co Platinum Diamond BroochFully marked on back. In the Beaux -Arts taste, early 20thC. From the same estate as the matching ring (lot 36). Missing one emerald baguette. H 1 W 2 D 1/8 Weight 8 Grams Missing one emerald baguetteSee Sold Price
Sold2022TIFFANY & CO. PLATINUM & DIAMOND BROOCHstamped 'Tiffany & Co. / PT950'; containing 42 full and single-cut diamonds [G-I/VS] weighing approximately 1.00 carats total; approximately 12.00 x 40.60 mm; 5.1 gramsSee Sold Price