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
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
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
Sold2022Lady's Art Deco Platinum and 3.76 ct Diamond Circle/ Bow Motif BroochLady's Art Deco Platinum and 3.76 ct Diamond Circle/ Bow Motif Brooch Total Diamond Weight 3.76 cts. Weight 19.90 grams. Estimated total clarity VS1-SI2, Estimated Color G-H. See attachments for additSee 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
Sold2020Platinum and Diamond BroochPlatinum and Diamond Broochthe bow-form brooch comprising full- and single-cut diamonds weighing approx. 1.50 tcw. with open-work millegrain decoration; 7.90 dwts; lg. 3 in.Provenance: The CollectionSee Sold Price
Sold2023TIFFANY & CO. Platinum, Diamond, and Sapphire Pendant/BroochTIFFANY & CO. Platinum, Diamond, and Sapphire Pendant/Broochthe circle brooch featuring a row of round brilliant-cut diamonds weighing approx. 3.10 tcw. and a row of channel-set baguette-cut sapphiresSee 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
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
Sold2023Art Deco Platinum and Diamond Bow Wreath BroochItem/Description: Elegant Deco Retro era circle pin brooch fashioned as a wreath or ribbon from platinum and set with sparkly white round diamonds graduated in size. Approximately one half carat CTW.See Sold Price
Sold2019Platinum and Diamond BroochPlatinum and Diamond Brooch centering a cushion old mine-cut diamond weighing approx. 3.00 cts. surmounted in a bow and starburst design set with old mine-cut diamonds; approx. 6.00 tcw.; 13.89 dwts.;See 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
Sold2022Mid Century Platinum Diamond Bow Brooch PinMETAL: Platinum. MEASUREMENTS: Brooch is 58mm x 34mm. Center stone is missing, center will fit approx. 6.5mm stone. GEMSTONES: Diamonds approx. 3.00ctw. TESTED: Plat top/ Gold back. WEIGHT: 15.7 gramsSee Sold Price
Sold2022Platinum & diamond circle brooch, c1915, 3.25 dwtsPlatinum & diamond circle brooch, c1915, 3.25 dwtsSee Sold Price
Sold2023Platinum Diamond Bow Brooch 11gramsDiamonds Tested. Marked 'g5x2' H 1.8in W 1.8in D .33in Weight 11.15 Grams TWSee Sold Price
Sold2015Platinum & Diamond Circle Brooch.Synthetic sapphires. OEC diamonds approximately .45 cts. 3.3 dwts.See Sold Price
Sold2021Vintage Platinum & Diamond Bow BroochOne 20-point center stone with channel set round and baguette diamonds. Very clean and brilliant diamonds. Unmarked. 1 3/4" x 1". 8.5 grams, inclusive. In good condition.See Sold Price
Sold2023Platinum and Diamond Bow Brooch57 full cut old European cut diamonds, 22 single cut old European diamonds, graduating in size 2.0 - 1.2mm, tested platinum, straight bar pin with "J" clasp, 2-1/4 x 5/8 in, 10.1 grams Provenance: ProSee 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
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
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
Sold2022Platinum Diamond Ruby Bow Brooch PinMETAL: Platinum/ Gold stem. MEASUREMENTS: Brooch is 50mm x 6mm. GEMSTONES: Rubies (few stones re slightly abraded), Diamonds approx. 0.90ctw. TESTED: Plat/Gold stem. WEIGHT: 4.3 grams.Gemstones have nSee 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
Sold2020Art Deco Dreicer & Co Platinum Diamond Onyx Bow BroochArt Deco dreicer & Co platinum bow brooch set with approx. 0.66ctw in rose cut diamonds and onyx. Some onyx stones are chipped. Brooch is 53mm x 12mm. Marked: Dreicer & Co, tested Platinum. Weight - 7See Sold Price
34 mins LeftA.H. Wilkens Auctions & AppraisalsART DECO PLATINUM AND DIAMOND BOW BROOCH, 10.1gCA$500(2 bids)
3 days LeftMiami Auctions & Appraisals LLC Antique Art Deco Diamond Emerald Platinum Bow Brooch Pendant Necklace$21,000
3 days LeftFederal Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
17 hrs LeftFederal Assets AuctioneersAntique Belle Epoque Platinum Multi Color Pearl Diamond Wreath Circle Pin Brooch$1
3 days LeftMiami Auctions & Appraisals LLC Antique Deco 6.55cts Old European Diamond Platinum Filigree Brooch Pin$14,000
2 days LeftMynt AuctionsDavid Webb Platinum & 18K Yellow Gold 1970's Turquoise And Diamond Foliage Brooch$5
4 days LeftMynt AuctionsDavid Webb Platinum & 18K Yellow Gold 1970's Turquoise And Diamond Foliage Brooch$5