Sold2018DIAMOND & PLATINUM CIRCLE BROOCHThe knife-edge circle with transitional-cut diamonds, approx. 3.40 cts. TW. 1 1/4". 4.3 dwt.See Sold Price
Sold2018Art 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
Sold2015An 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
Sold2018Cultured 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
Sold2015Platinum & Diamond Circle Brooch.RBC, marquise and baguette cut diamonds approximately 8 cts TW. Approximately GH, VS. 12.7 dwts.See Sold Price
Sold2022Platinum & diamond circle brooch, c1915, 3.25 dwtsPlatinum & diamond circle brooch, c1915, 3.25 dwtsSee Sold Price
Sold2015Platinum & Diamond Circle Brooch.Synthetic sapphires. OEC diamonds approximately .45 cts. 3.3 dwts.See Sold Price
Sold2020McTeigue 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
Sold2022Midcnetury 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
Sold2016PLATINUM 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
Sold2022Carved Rock Crystal, Platinum and Diamond Circle BroochCarved Rock Crystal, Platinum and Diamond Circle Brooch Circular beveled chipped rock crystal dia. ap. 35 mm., 6 baguette and 62 single-cut diamonds ap. .85 ct. CSee Sold Price
Sold2017Platinum 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
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
Sold2023Art 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
Sold2020A 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
Sold2016Art 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
Sold2023Antique 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
Sold2016PLATINUM, 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
Sold2022Vintage Tiffany & Co. 3ctw Fine Diamond 0.75ctw Natural Ruby Platinum Art Deco Circle Pin BroochTitle: Vintage Tiffany & Co. 3ctw Fine Diamond 0.75ctw Natural Ruby Platinum Art Deco Circle Pin Brooch Description: Signed Tiffany & Co. platinum circle pin featuring approx. 3.0ctw of the fieriestSee Sold Price
Sold2017Diamond 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
Sold2018Platinum 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
Sold2017PLATINUM 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
Sold2023JEWELRY: Edwardian Pearl & Diamond Circle Brooch, tested 18K yellow gold and platinum Edwardian circJEWELRY: Edwardian Pearl & Diamond Circle Brooch, tested 18K yellow gold and platinum Edwardian circle brooch with diamond bow. Consisting of 22 pearls set into the circle portion of the brooch, measuSee Sold Price
Sold2024Antique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ctwTitle: Antique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ctw Description:Antique Tiffany & Co. Paris Platinum 18K Gold Diamond Pearl Circle Brooch Circa 1900s 3ctSee Sold Price
5 days LeftSeized Assets AuctioneersAntique Belle Epoque Platinum Multi Color Pearl Diamond Wreath Circle Pin Brooch$1
May 28Miami Auction GalleryANTIQUE BLACK STARR & FROST-GORHAM DIAMOND PLATINUM DECO BROOCH PIN$12,750