Sold2017Diamond and Onyx Bow Brooch in 14 Karat White Gold andAn Art-Deco black onyx bow brooch ca 1930's. 14k white gold double pin back and frame. Diamonds set in platinum weighing approximately three carats total weight including center marquise cut diamond.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
Sold2023Platinum Diamond Bow Brooch 11gramsDiamonds Tested. Marked 'g5x2' H 1.8in W 1.8in D .33in Weight 11.15 Grams TWSee 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
Sold2021Pierre 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
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
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
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
Sold2021VINTAGE TIFFANY & CO PLATINUM BOW 3ct DIAMOND BROOCHVINTAGE TIFFANY & CO. 3ct PLATINUM BROOCH PIN Brooch measures 1.85" H x 1.75" W Vintage Tiffany & Co. Platinum 3ct Diamond bow brooch with filigree design Center diamond apx 0.50ct Emerald cut Super cSee Sold Price
Sold2020Fred Leighton Platinum 31.70ct Diamond Bow Tie BroochStunning bow tie brooch in platinum by Fred Leighton featuring approx 31.70ctw of sparkling pave diamonds. 4.5" long x 43mm wide and weighs 83.6 grams. Original retail value approx $95,000.00 ***FREESee Sold Price
Sold2024Art Deco Platinum Diamond Emerald Double Clip BroochArt Deco Platinum Weight 29g Diamond Approx. 5ct Emerald Double Clip Brooch Measurements 1.1inx2.2in  See 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
Sold2022PLATINUM, DIAMOND, EMERALD BOW FORM BROOCHPlatinum, emerald, and diamond encrusted bow form pin. Apparently unmarked, tested for fineness. Approx. h. 1.5", w. 1.375", total weight 7.1g. Ahlers & Ogletree, Inc. reserves the right to require paSee Sold Price
Sold2018AN ART DECO PLATINUM AND DIAMOND BOW BAR BROOCH theAN ART DECO PLATINUM AND DIAMOND BOW BAR BROOCH the central stone approx. 0.15 ct. 9 grams. 3.75 cm x 3.25 cm.See Sold Price
Sold2021DIAMOND & PLATINUM BOW BROOCH, C. 1920, L 2", T.W. 5 GRDIAMOND & PLATINUM BOW BROOCH, C. 1920, L 2", T.W. 5 GR 5 gr. A small very delicate brooch in bowknot form. L 2". center diamond approx 10pts.Four blue sapphire baguettes. Myriad of diamonds assembledSee Sold Price
Sold2021Platinum & Diamond Art Deco Bow BroochPlatinum & Diamond Art Deco Bow Brooch Designed as a bow centering baguette diamonds weighing a total of 0.19 carats accented by old European cut diamonds weighing a total of 0.74 carats and single cuSee Sold Price
Sold2016AN ANTIQUE PLATINUM DIAMOND AND SAPPHIRE BOW BROOCHAn antique bow brooch with twenty-nine 1/16 carat diamonds plus small sapphires in a platinum setting, unmarked, measures .625 x 1.5 inches, weighs 5.2 grams. We happily provide seamless, low-cost in-See 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
Sold2018ART DECO 7.76CTTW DIAMOND & PLATINUM BROOCH / CLIPEstate Art Deco platinum (tested) diamond double-clip brooch, c. 1930s, approx 7.46cttw, two fur or coat clips with pin mechanism to combine into single brooch, featuring pierced work and milgraining,See Sold Price
Sold2018SCHUMANN & SONS DIAMOND & PLATINUM RIBBON BOW BROOCHDesigned as dimensional knotted ribbon of OMC diamonds, approx. 9.45 cts TW. Early 20th c. Stamped Schumann & Sons. 2 1/2" x 2". 19.6 dwt.See Sold Price
Sold20161.50 CTW Diamond & Platinum Deco Bow BroochDESCRIPTION: Tested 90% platinum Art Deco bow brooch set with forty-nine round full and single cut diamonds of .02 to .06 carat each. Clarity SI to I1, color I-J. Approximately 1.50 ctw. Also set withSee 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
Sold2022Platinum, Aquamarine and Diamond Double Clip-BroochPlatinum, Aquamarine and Diamond Double Clip-Brooch 6 square-cut and 6 tapered baguette aquamarines, 38 round diamonds ap. 1.68 cts., and 54 single-cut and 4 baguette diamonds ap. 1.25 cts., no. 10094See Sold Price
Sold202014K/Platinum Amethyst & Diamond Double Clip BroochRetro 14K rose gold and platinum, amethyst and diamond double clip brooch, composed of two 18mm x 15mm emerald-cut amethyst and eight round single-cut diamonds, approx: 0.50 ct tw., color: H-I, claritSee Sold Price
3 days LeftFellowsA mid 20th century platinum vari-cut diamond double clip brooch. Estimated total diamond weight£500(1 bid)
May 31Miami Auctions & Appraisals LLC Vintage 12.82cttw Diamond Platinum Double Clip Brooch Pin$14,750
May 31Miami Auctions & Appraisals LLC Estate Art Deco 15.00 Carats Diamond Platinum Double Clip Brooch$18,250
May 31Miami Auctions & Appraisals LLC Antique Art Deco Diamond Emerald Platinum Bow Brooch Pendant Necklace$21,000
3 days LeftSeized Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
3 days LeftFellowsAn Art Deco platinum and 18ct gold vari-cut diamond double clip brooch. Estimated total diamond£2,700(1 bid)
May 31Miami Auctions & Appraisals LLC Antique Art Deco Diamond Pearl Platinum Double Clip Brooch Pin$5,800
3 days LeftFellowsA mid 20th century platinum and gold vari-cut diamond and sapphire double clip brooch. Estimated£1,400(1 bid)
2 days LeftKotler Galleries & AuctioneersTIFFANY 18K DIAMOND ENAMEL BOW BROOCH, DONALD CLAFLIN Diamond, Enamel, Platinum & Gold ribbon/bow$2,800
May 31Miami Auctions & Appraisals LLC Vintage Boucheron Diamond Emerald Platinum Double Clip Lapel Brooch$104,000