Art Deco Platinum Brooch with 2.95 Ct Diamond Center 0.50 CtDiamond Depot4.3(10)See Sold PriceFeb 05, 2026
Art Deco Platinum Brooch with 1.10 Ct Diamond and 148 European-Cut DiamondsDiamond Depot4.3(10)$6,800917 Lots Away
Art Deco Platinum Brooch 2.00 Ct European-Cut DiamondsDiamond Depot4.3(10)See Sold Price686 Lots Away
Art Deco Platinum Brooch with 1.10 Ct Diamond and 148 European-Cut DiamondsBidhaus4.2(837)$1005 days Left
Art Deco Platinum Brooch 16.00 Ct Diamonds F-G VVS-VS 3 InchBidhaus4.2(837)See Sold PriceFeb 05, 2026
SoldAntique art deco platinum diamond bar pinVintage from the 1920s Length: 2.5 Inches Materials: Platinum Style: Art deco Recycled Description Solid platinum genuine diamond bar pen measuring two. 5 inches with magnificent hand done open scrollSee Sold Price
SoldA Filigree Sapphire & Diamond Bar Pinc. 1920-30, American, 18K yellow gold platinum toped filigree brooch featuring cushion cut sapphire with diamonds set in filigree, 2.75 in. L, 4.4 gramsSee Sold Price
SoldJE Caldwell Antique Diamond and Emerald Platinum Bar Pin BroochCa. first quarter 20thC. Amazing quality throughout with 68 clear Columbian emeralds and 82 clear full cut diamonds surrounding the large central EVS1 diamond. Weight approx. 12.9 Grams. Measures apprSee Sold Price
SoldBROOCH - Edwardian Platinum Bar Pin Form Brooch setBROOCH - Edwardian Platinum Bar Pin Form Brooch set with (14) rectangular faceted sapphires and (3) diamonds, stamped "JEC COA 6712", 2 1/2" long, 1/8" wide, 5.0 dwt tw; fine condition.See Sold Price
SoldVintage Platinum Bar Pin On A Platinum ChainBox chain measuring (18”) in length, 36.25mm x 17.25mm pendant/pin with an optional flip up jump ring accented with three diamonds, pendant measures approx. (1.64” x 0.67”) openworkSee Sold Price
SoldBlue Sapphire, Diamond, and Platinum Bar Pin - Gross 013.6 g.Blue Sapphire, Diamond, and Platinum Bar Pin. The sapphires are arranged in 4 sets of pairs, with two diamonds between each pair. 8 cabachon sapphires approx 16 ct., .08 total. 81 pt. Size: 2 1/2 in.See Sold Price
Sold14k & platinum bar pins, citrine, amethyst, sapphire, pearlGrouping of seven bar pins including 14k gold and platinum with citrine, amethyst, sapphire, and pearls. Total weight appx. 20.9g, longest measures 2 7/8".See Sold Price
SoldJEWELRY. Art Deco Cartier Jade, Diamond, Onyx, andSapphire Brooch or Bar Pin. Art Deco Cartier platinum bar pin or brooch comprised of a central onyx openwork frame with (2) sapphire cabochon accents, and (3) stacked bands of pave diamonds; flanked bSee Sold Price
SoldART DECO PLATINUM MONTANA SAPPHIRE& DIAM. BAR PIN.An antique platinum bar pin set with approx. 1.20 ct. tw. faceted round, medium blue, most likely Montana sapphires with approx. .08 ct. tw. single cut, natural diamonds of H-I color and VS-SI claritySee Sold Price
SoldART DECO RAYMOND YARD PLATINUM DIAMOND BAR PIN.An Art Deco, signed Yard Inc., Raymond Yard, platinum bar pin set with approx. 2.0 ct. tw., Old European cut, natural diamonds of F-G color and VS clarity, 4 mm wide, 2 1/4 inches long, 6.1 grams. TesSee Sold Price
SoldJEWELRY. Antique Platinum and Diamond Bar Pin.Antique platinum bar pin displaying (12) Old Mine cut diamonds. Diamonds average approx. 3.5mm x 2.5mm. With a 14kt yellow gold brooch backing. Total approx. weight of the brooch is 3.7 dwt (gross). FSee Sold Price
SoldAn Assorted Collection of Antique PinsAn Assorted Collection of Antique Pins A collection of antique pins including a platinum bar pin, a stick pin, a 10K white gold bar pin set with diamonds, two lingerie pins, and a platinum bar pin setSee Sold Price
SoldAn Art Deco Sapphire & Diamond Bar Pin in Platinumc. 1915 platinum bar pin featuring 16 round sapphires bezel set with milgrain accent separated by diamonds set in leaf design, 3.5 in. L, 8.7 gramsSee Sold Price
SoldPlatinum, Diamond & Seed Pearl Bar PinDESCRIPTION: Tested platinum bar pin set with five 2mm seed pearls and twenty .02 carat each diamonds, .40 CTW. MEASUREMENTS: 2" wide. 3.3 dwt (5.2 gr). IMPORTANT: Before bidding, please read the termSee Sold Price
SoldCARTIER PLATINUM & DIAMOND BAR PIN, 1.80CTWSet with 12 square cut diamonds approx. 1.80 carats, stamped 11170 Cartier, tests platinum, length 1.6in., 6.8gms.See Sold Price
SoldART DECO PLATINUM & DIAMOND BAR PIN, 3.00CTWset with 22 European cut diamonds approx. 3.00 carats (in our opinion: K-L color, SI2-I1 clarity, however not guaranteed), 2 center diamonds each approx. 70pts, in tested filigreed platinum (pin stemSee Sold Price
SoldEDWARDIAN PLATINUM DIAMOND BAR PIN.An Edwardian, platinum (tested) bar pin set with approx. 3.50 ct. tw. Old European cut, natural diamonds of G-H color and VS clarity, 1 7/8 inches long, 9.9 grams. Tested as natural mined diamonds.See Sold Price
SoldANTIQUE ART DECO PERIOD PLATINUM & DIAMOND BAR PINApprox 6.8 dwt. 3 3/8" x 1/4" Condition: GoodSee Sold Price
SoldAntique Diamond Platinum Sapphire Bar PinEarly platinum 7 diamond, 8 rectangular caliper-cut sapphire Art-Deco filigree bar pin. (4.2 dwt.) Vintage J.E. Caldwell leather box included but not original to pin.See Sold Price
SoldArt Deco platinum diamond bar pinArt Deco platinum diamond bar pin, 2 1/2" long, center diamond measuring approximately 0.20 carats, ten smaller diamonds in body, stamped Platinum, weight 7.2 grams/4.6 dwtSee Sold Price
SoldJEWELRY: Edwardian platinum diamond bar pin, tested platinum with 14K white gold pin stem, filigreeJEWELRY: Edwardian platinum diamond bar pin, tested platinum with 14K white gold pin stem, filigree design set with seven old European cut diamonds, light wear consistent with age and use, approximateSee 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
SoldGIA Natural Akoya Pearl 1ctw Old Euro Diamond Platinum Filigree Signed Numbered Art Deco BroochTitle: GIA Natural Akoya Pearl 1ctw Old Euro Diamond Platinum Filigree Signed Numbered Art Deco Brooch Description: A genuine Deco era platinum filigree bar pin featuring a row of rare, beautiful siSee Sold Price
SoldESTATE PLATINUM & 4.00CTTW LAB SAPPHIRE BAR PINEstate platinum (tested) bar pin, twelve synthetic blue sapphires, approx 4.00cttw, in a milgrain surround, clasp marked S & CO, approx 2"l, 5.3 grams (inclusive of all materials) Start Price: $125.00See Sold Price
