GIA Certified Natural Diamond Vintage Deco Pin Brooch Platinum 12418**Chairish Auctions4.5(10.3k)$5,500
1.19 CARAT OLD EUROPEAN CUT DIAMOND 2.27 BY 1.19 INCHES PLATINUM PIN BROOCHModern Jewelry4.5(203)$5,300Mar 03, 2026
JEWELRY. Platinum and Diamond Pendant or Brooch.Clarke Auction Gallery4.5(602)$1,000(1 bid)6 days Left
SoldPlatinum Art Deco Diamond Bow PinDESCRIPTION: Platinum bow pin with black grosgrain ribbon edged with approximately .5 ctw of diamonds. MEASUREMENTS: 2" x 3/4". 4.9 dwt (7.5 gr). CONDITION: No defects noted.See Sold Price
SoldAn Art Deco Diamond & Onyx Geometric Bow PinPlatinum geometric bow pin featuring diamonds weighing approx. 3.00 ctw with an average color grade of G-H and an average clarity grade of VS, bead set with French cut black onyx channel set in designSee Sold Price
SoldMid 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
SoldJewelry. Antique Platinum Diamond bow bar pin. 7.54 grams 1 3.4" length. two round diamonds in theJewelry. Antique Platinum Diamond bow bar pin. 7.54 grams 1 3.4" length. two round diamonds in the center, approx 3mm each, several diamonds 2mm each & smaller.See Sold Price
SoldThree Ladies 14k Yellow Gold Pins and a BroochThree Ladies 14k Yellow Gold Pins and a Brooch. Comprising a 14k and platinum diamond bow, and pin set with an amethyst, a stick pin set with a smokey quartz, and a nautical glass brooch with anchor mSee Sold Price
SoldPlatinum 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
SoldPLATINUM, 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
SoldPLATINUM ON SOLID GOLD FILIGREE PIN BOW BROOCHANTIQUE ESTATE 2" WIDE BY 9MM WIDE. RUBY RED STONE WITH SURFACE SCRATCHES. PINWORKS FINE. SOLID 10K YELLOW GOLD WITH PLATINUM TOP. WEIGHS 2.6 GRAMS. (USA SHIPPING $10)See Sold Price
SoldVINTAGE 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
SoldVintage Diamond Bow PinMETAL: platinum GEMSTONES: old European- and round brilliant-cut diamonds approx. 2.46 carats total, most G-H/SI-I MEASUREMENTS: 1-1/4 x 1-1/4 inches WEIGHT: 7.40 g.See Sold Price
SoldAn Art Deco Black Onyx & Diamond Bow PinPlatinum Art Deco brooch with black onyx and diamond bow brooch, 2 in. L, 9 gramsSee Sold Price
SoldVINTAGE PLATINUM DIAMOND & TOPAZ BOW BROOCHVintage platinum bow motif brooch with full pave diamond and topaz accent. Square cut topaz and round cut diamonds. Hinge pin on underside. Measures approx. 2 7/8 x 1 1/8 inches. Marked illegibly on pSee Sold Price
Sold1950s Patinum Diamond Bow Brooch PinMETAL: Platinum. GEMSTONES:transitional cut diamonds.-approx. 3.30-3.50ctw. MEASUREMENTS: brooch is 42mm x 25mm at widest point. TESTED: Platinum. Stem is 18K gold. WEIGHT: 10.5 grams. Gemstones haveSee Sold Price
SoldPlatinum 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
SoldArt 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
SoldMid-Victorian Old cut Diamonds Platinum and 18kt Gold Bow Brooch 3.55 CtsCirca 1860-1900s.This delightful Diamond Bow has been fabricated in Platinum and 18kt Rose Gold ofr the Pin. Set with a center Oldmine Diamond Approx. 0.55 carats. J color, SI2-I1 clarity. It blazes wSee Sold Price
SoldFRENCH EDWARDIAN ERA DIAMOND BOW BROOCH 9.3gFrench Edwardian era platinum and 18K yellow gold diamond and velvet bow brooch The brooch pin features the French Eagle's Head HallmarkThe brooch features antique single cut and rose cut diamonds ofSee Sold Price
SoldPlatinum Art Deco Pin / Pendant With Diamond Station ChainPlatinum Art Deco Pin / Pendant With Diamond Station ChainPlatinum station chain measuring 24" in length with (10) single cut diamonds, soldered to a pin / pendant with flip up top witch bow motif - hSee 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
SoldDiamond 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
Sold15.75 Ct. Diamond Bow Pin15.75 Ct. Diamond Bow Pin Mounted with 15.75 Ct.* of Diamonds E-F Color VVS-VS Clarity 18K White Gold Gold Weight: 40.10 gm. *approx. weight Item #: 6233See Sold Price
SoldLaCloche Frères Paris Art Deco Platinum PinLaCloche Frères Paris Art Deco Platinum Pin Weighing 10.9 grams Set with 48 Rose-cut Diamonds weighing app. 1.10 Ct. With a carved Lapis Lazuli at top 4.25 inches in lengthSee Sold Price
