ESTATE PLATINUM & 5.90 CTTW DIAMOND CIRCLE PENDANT BROOCHAustin Auction Gallery4.7(1.2k)$2,000Feb 22, 2026
SoldDIAMOND & PLATINUM CIRCLE BROOCHThe knife-edge circle with transitional-cut diamonds, approx. 3.40 cts. TW. 1 1/4". 4.3 dwt.See Sold Price
SoldArt Deco Diamond, Platinum Circle Bow Brooch.Art Deco Diamond, Platinum Circle Bow Brooch. Featuring thirty-nine old European-cut diamonds weighing a total of approximately 3.25 cttw., set in a platinum circle bow brooch mounting measuring approSee Sold Price
SoldAn Art Deco diamond and platinum circle broochPlatinum circle brooch with bow, set throughout with single and old mine-cut diamonds totalilng approximately 2.00 cts., graded G-H color and SI clarity, 7.5 gms gross, est: $600/800See Sold Price
SoldCultured Pearl, Diamond, Platinum-Topped, 14k YellowCultured Pearl, Diamond, Platinum-Topped, 14k Yellow Gold Jewelry Suite. Including one freshwater pearl, diamond, platinum-topped circle brooch measuring approximately 27 mm together with a cultured pSee Sold Price
SoldGIA 4ctw Natural Fancy Yellow Diamond Platinum Pinwheel Circle Vintage BroochTitle: GIA 4ctw Natural Fancy Yellow Diamond Platinum Pinwheel Circle Vintage Brooch Description: A sensational platinum circle motif brooch featuring approx. 4ctw of natural fancy yellow diamonds.See Sold Price
SoldPlatinum & Diamond Circle Brooch.RBC, marquise and baguette cut diamonds approximately 8 cts TW. Approximately GH, VS. 12.7 dwts.See Sold Price
SoldDesigner Platinum Diamond Circle Brooch, 2.75 ctwA platinum and diamond circle pendant set with 25 diamonds with 2.75 carat total weight. Makers mark on the reverse. Diamond Attributes: 25 full cut diamonds with 2.75 carat total weight, VSee Sold Price
SoldPlatinum & diamond circle brooch, c1915, 3.25 dwtsPlatinum & diamond circle brooch, c1915, 3.25 dwtsSee Sold Price
SoldPlatinum & Diamond Circle Brooch.Synthetic sapphires. OEC diamonds approximately .45 cts. 3.3 dwts.See Sold Price
SoldMcTeigue Platinum Diamond Open Circle Brooch PinPlatinum open circle brooch, set with baguette and round diamonds - approx. 2.40ctw. Brooch is 30mm in diameter. Marked: Maker's Mark Irid. Plat. Weight - 8.5 grams.See Sold Price
SoldMidcnetury Platinum Diamond Open Circle BroochMetal : Platinum/ Gold stem Designer : Not Signed Gemstone : Diamonds approx. 2.00ctw Measurements : Brooch is 30mm in diameter Marked: : Tested plat/Gold Weight: 5.6 gramsSee Sold Price
SoldPLATINUM DIAMOND CIRCLE WITH BOW BROOCH 3.5 tcwPlatinum Diamond Circle with Bow Brooch. Approx 3.5 tcw. 1" 4.7 DWT- 7.4 GSee Sold Price
SoldPlatinum and Diamond Circle BroochA vintage 1.25" circle brooch in platinum containing 34 VS2-SI1, G-H color Old European Cut diamonds weighing approximately 3.50 carats total weight. 5.57 Dwt.See Sold Price
SoldVintage 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
SoldArt Deco Platinum and Diamond Circle BroochArt Deco Platinum and Diamond Circle Broochthe circle brooch designed in a wreath motif and bead set with full cut round, transitional, and single cut round diamonds weighing approximately .65 total cSee Sold Price
SoldArt Deco Platinum, Diamond, and Emerald Circle BroochArt Deco Platinum, Diamond, and Emerald Circle Broochthe brooch with milgrain detailing and set with old European cut diamonds weighing approximately .90 total carat (G-H color, VS2-I1 clarity) and wiSee Sold Price
SoldA Ruby & Diamond Circle Brooch.A Ruby & Diamond Circle Brooch. Platinum mounting contains 36 prong set round brilliant diamonds and 36 round rubies. The total diamond weight is approximately 1.80 carats. The diamonds are approximatSee Sold Price
SoldArt Nouveau Sapphire, Diamond, Platinum-Topped, 14kArt Nouveau Sapphire, Diamond, Platinum-Topped, 14k Yellow Gold Circle Brooch. Featuring six round-cut sapphires weighing a total of approximately 1.15 cttw., accented by eighteen round-cut diamonds wSee Sold Price
SoldVintage Art Deco Platinum Diamond (OM vs/gh) Double Onyx Circle Brooch 8.7gLot 328 Vintage Art Deco Platinum Diamond Double Onyx Circle Brooch Diamonds: OM vs/gh 1.05 x 2.21 x .26 in. Largest diamond: 2.14 mm Smallest Diamond: 1.09 mm 8.73 gSee Sold Price
SoldAntique 3ctw Fine Diamond Irid Platinum Art Deco Era Circle Pin BroochTitle: Antique 3ctw Fine Diamond Irid Platinum Art Deco Era Circle Pin Brooch Description: Classic circle pin featuring approx. 3.0ctw of very well-matched, white F-H color, clean VS, hi-performance dSee Sold Price
SoldPLATINUM, GOLD & DIAMOND CIRCLE ESTATE BROOCHLadies estate platinum,18kt gold and diamond brooch, two interlocked circles set with approx 2.00 cts total weight diamonds of varied size, 1.5"l, 1"w, 6.7 grams (inclusive of diamonds) Start Price: $See Sold Price
SoldDiamond Circle Brooch in PlatinumA vintage circle brooch containing twenty two old European cut diamonds weighing approximately 2.2 carats total weight. Finished with milgrain details and safety clasp to verso. Measures approximatelSee Sold Price
SoldPlatinum Diamond & Emerald BroochPlatinum circle brooch set with sixteen diamonds of various sizes, approx. 3 to 4 carats of diamonds and 2 emeralds approx. 1 carat. In good condition.See Sold Price
SoldPLATINUM DIAMOND & BLUE SAPPHIRE BROOCHPLATINUM DIAMOND & BLUE SAPPHIRE BROOCH - 3" diameter circle platinum brooch, circled with diamonds & blue sapphires; Total weight 7.2g; Estimate: $500-$1000See Sold Price
