Sold2017CARTIER 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
Sold2018AN ANTIQUE PLATINUM AND DIAMOND BAR PIN, 2.30 CTTWThe filigree design with three diamonds estimated at approximately .50 carats each with eight .10 carat accent diamonds, estimated 2.30 CTTW, unmarked, tests for platinum. Measures .75 x 2.75 inches,See Sold Price
Sold2023JEWELRY. 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
Sold2022Antique 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
Sold2022Antique Platinum Mine Cut Diamond Bar Pin BroochCa. first quarter 20thC. Excellent original condition with three 3 1/2mm center full cut diamonds, set among forty-six 1mm mine cut diamonds placed diagonally within the checkered interior. The borderSee Sold Price
Sold2019Antique 18k Gold Platinum Diamond Bar Brooch PinMETAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 58mm x 4.8mm. Comes with box. GEMSTONES: Old mine and rose cut diamonds approx.1.00-1.20ctw. TESTED: 18k/ Plat top. WEIGHT: 3.8 grams.Gemstones haveSee Sold Price
Sold2022Antique Platinum Filigree Art Deco 2tcw Diamond Bar PinThis is an antique platinum filigree Art Deco bar pin studded with Old European cut diamonds. The diamonds are SI clarity and HI-JK color. The pin is 2 3/4" long and it weighs 7.4g total. The diamondsSee Sold Price
Sold2023Antique 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
Sold2023Antique 18k Gold Platinum Diamond Ruby Bar Brooch PinMETAL: 18k Gold. GEMSTONES: Two small rose cut diamonds. Ruby. Center gemstone is chipped. MEASUREMENTS: Brooch is 43mm x 5mm (missing a dangle element). TESTED: 18k, Plat. WEIGHT: 3.2 grams.GemstonesSee Sold Price
Sold2022JE 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
Sold2021Art Deco Platinum, Diamond & Sapphire PendantAntique Art Deco Platinum, diamond and sapphire filigree pendant, converted from a bar pin. Features a 3" elongated lozenge shaped design set throughout with bezel and milgrain edged old European cutSee Sold Price
Sold2022Antique Lg Platinum Filigree Gilded Age Diamond Bar BroochThis is an antique platinum large brooch bar pin with delicate filigree studded with Old European and Old Mine cut diamonds. The diamonds are VS-SI in clarity and GH in color. The pin is 3 7/8 x 3/4".See Sold Price
Sold2022Antique Platinum Art Deco Filigree Diamond Brooch Pin PendantThis is an antique Art Deco bar brooch pin/pendant rendered in fine 14K white gold. The filigree brooch features 21 Old European cut diamonds of VS-SI clarity and HI color. It is 2 1/2" long and it weSee Sold Price
Sold2020JEWELRY. 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
Sold2023An 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
Sold2022Art Deco Platinum, Coral and Diamond PinDESCRIPTION: An Art Deco platinum bar pin/brooch centered by an Angel Skin Coral cabochon, encompassed by approx. 1.8cts of round cut diamonds, further finished with etched patterns along the bar. TotSee Sold Price
Sold2016JEWELRY. Antique Jewelry Grouping.Includes a 14ct gold and amethyst bar pin; a an 18kt yellow gold and platinum dipped bar pin inlaid with rose cut diamonds graduated in size, and rubies with a central semi-baroque pearl - approx. 5 1See Sold Price
Sold2016ANTIQUE ART DECO .90ctw DIAMOND .90ctw SAPPHIREThis is an ORIGINAL ANTIQUE BAR PIN that was made during the ART DECO PERIOD of c1925 - c1935. It is handmade from PLATINUM and stamped PLAT. It ORIGINATES from EUROPE. The pin is set with 9 OLD TRANSSee Sold Price
Sold2022Vintage Platinum Diamond Bar PinVintage Platinum Diamond Bar Pin Measuring 3.39" in length (11mm wide) containing (5) European cut diamonds (2 are missing) (approx. 2.43ct tdw, H-I VS2), not stamped or signed, electronically tested.See Sold Price
Sold2021ART 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
Sold2017White Gold Antique Diamond Bar PinAn antique, circa 1930's, white gold brooch with center old mine cut .15ct diamond and thirty other round diamonds equaling .33ct; approximately .50ctw; 2.8dwt, 2" longSee Sold Price
Sold2020Art 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
Sold2024JEWELRY: 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
Sold2022Antique Platinum Diamond Edwardian PinAntique platinum diamond pin, the Edwardian pin is fashioned of 14K yellow gold and faced with platinum. The center of the pin is decorated with intricate organic cutwork, outlined in delicate milgraiSee Sold Price
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5 days LeftSeized Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
1 day LeftElmwood'sCARTIER, A DIAMOND BAR BROOCH in platinum and yellow gold, set to the centre with an old step cut...£6,000
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3 days LeftSeized Assets AuctioneersAntique Victorian 15k Yellow Gold Old Mine Cut Diamond Seed Pearl & Onyx Bar Pin$1