Vintage 1950's Platinum Brooch with 12 Carats Mixed-Cut DiamondsMynt Auctions4.4(820)$100692 Lots Away
PLATINUM DIAMOND OPEN STYLE LONG STEM LEAF BROOCH 14K GOLD PINModern Jewelry4.5(203)$13,250Feb 08, 2026
SoldPlatinum Diamond Cascade BroochPlatinum diamond cascade brooch. The crescent shape pin is fashioned with a raised cluster of full cut diamonds in 4 pronged mountings. The cluster is surrounded by leaf shaped mountings set with pairSee Sold Price
SoldPLATINUM & DIAMOND CASCADE BROOCH, 8.25CTWset with 66 marquise and baguette diamonds approx. 8.25 carats, appear nice clean stones, also with double bale to serve as a pendant, tests platinum, 2x1.2in., 17.4gms. Opening Bid: $1500/See Sold Price
SoldPierre Sterlé Platinum & Diamond Double Clip BroochPierre Sterlé double clips/brooch, a diamond and platinum knot with round-cut diamonds, suspending cascades of rectangular diamonds mounted in platinum, ca. 1955, with an approximate total weight ofSee Sold Price
SoldVintage 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
SoldPlatinum 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
8.24ct 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
Sold(2) Platinum & Diamond Brooches. 13.7 grams, 1.5" - 2". Larger brooch has 3 round diamonds center(2) Platinum & Diamond Brooches. 13.7 grams, 1.5" - 2". Larger brooch has 3 round diamonds center diamond 2.5 carat Si-2 I/J. with 1 carat diamonds on each side Si-2 I1 H/I with diamond accents.See Sold Price
SoldArt 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
DAVID WEBB 18K Yellow Gold & Platinum Diamond BroochDAVID WEBB 18K Yellow Gold & Platinum Diamond BroochWeighing 43.4 gramsSet with 19 Diamonds weighing app. 1.70 Ct.F-G Color, VVS-VS Clarity1.75 inches in lengthSee Sold Price
SoldArt 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
SoldGORGEOUS 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
SoldVintage 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
SoldPlatinum Diamond Brooch.RBC, OEC and single cut diamonds approximately 8 cts TW. Approximately I-K, SI. 11.1 dwts.See Sold Price
SoldPlatinum 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
SoldRussian Gold & Platinum Diamond Brooch.Amazing Russian platinum and gold with high quality old cut diamonds, pearl brooch/pendant. Bears Stamp for Faberge? AT and 72 (18 Kt.) Size 4 centimeters by 5 centimeters. Weights 12 grams (0.42&rdquSee Sold Price
Sold8.5 CT Art Deco Platinum & Diamond BroochFine Art Deco diamond & platinum brooch in a swirl design and 5 hinged hanging legs all set with 12 marquise cut diamonds approx. .25 cts each, 38 banquette cut diamonds from .02 to .1 cts, 60 round cSee Sold Price
Sold2 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
SoldVictorian 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
SoldArt 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
SoldPLATINUM & 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
SoldVintage Platinum Diamond Broochcircle motif, 20 round brilliant cut diamonds, approx. 2.63ctw., nine pear cut diamonds, approx. 1.70ctw., one marquise cut diamond, approx. 0.15ct., VS, G-I, stamped "IRID PLAT", platinum, 30.0mm diaSee Sold Price
SoldPlatinum 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
SoldTiffany & 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
SoldMidcentury Platinum Diamond BroochMETAL: Platinum. GEMSTONES: Diamonds approx. 3.50 ctw. MEASUREMENTS: 50mm x 28mm. TESTED: Platinum. WEIGHT: 16.9 grams. Gemstones have not been graded for color and clarity, and tested for clarity andSee Sold Price
