Sold2016Antique Platinum Diamond Brooch PinPlatinum brooch features approx. 1.20ctw in diamonds set in platinum. Brooch measures 31mm in diameter. Tested platinum. Brooch weighs 5.3 grams. Gemstones have not been graded for color and clarity ,See Sold Price
Sold2022Antique Platinum And Diamond BroochCenter Stone Is Approx 1 Ct, Old Mine Cut. H-I. Approx 3.5cts Total. 1 1/2 x 1 3/4. Chain Is 20 Inches Long. Total Weight Of Both Pieces Is 17.2 Grams. Wire Transfer Or In-Person Cashier's Check Are TSee Sold Price
Sold2015Platinum and Diamond BroochPlatinum and Diamond Brooch, the circular-designed brooch set with thirty-two round brilliant-cut diamonds, with an approximate total weight of 1.60 carats, dia. 1-1/4", 4.5 grams total weight.See Sold Price
Sold2023Antique Platinum Diamond Ring1920's diamond ring marked platinum / 10% iridium and dated 12-27 on inside with10 diamonds set in two rows. Ring size 5.5, weight approx 7.5g. Each diamond measures approx 3.1 dia.See Sold Price
Sold2023Magnificent Antique Platinum Diamond Love Birds Brooch with genuine rubies and emeralds 4ctwTitle: Magnificent Antique Platinum Diamond Love Birds Brooch with genuine rubies and emeralds 4ctw Additional Information: Vintage from the 1920s Length: 1.5 Inches Materials: Platinum Gemstone: DiamSee Sold Price
Sold2022Antique Platinum Diamond Sapphire Fish Brooch PinMETAL: Platinum. MEASUREMENTS: Brooch is 44mm x 17mm. GEMSTONES: Sapphire, Emerald, Diamonds approx. 0.70ctw. MARKED: 8990P. WEIGHT: 5.1 grams.Gemstones have not been graded for color and clarity ,andSee Sold Price
Sold2023Antique Platinum Emerald Diamond Ruby BroochMETAL: Platinum. MEASUREMENTS: Brooch is 30mm x 35mm. GEMSTONES: Diamonds approx. 1.40ctw. Emerald and ruby. TESTED: Plat. WEIGHT: 9.9 grams.Gemstones have not been graded for color and clarity ,and tSee Sold Price
Sold2022Antique Platinum & 14k Gold Diamond RingAntique Platinum & 14k Yellow Gold Diamond Ring Center Old Mine Cut Dia= .25cts 1.39dwt size 6 3/4See 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
Sold2023Antique Gold Platinum Demantoid Garnet Diamond Brooch PinMetal : Gold back/Platinum Top Designer : Not Signed Gemstone : Demantoid garnets, Diamonds Measurements : Pendant is 25mm x 25mm Marked: : Tested plat/gold Weight: 10.1 gramsSee 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
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
Sold2023Vintage Platinum Diamond & Pearl BroochVintage Platinum Diamond & Pearl Brooch. Measures approx. - 2 1/4" long. Weight - 2.3 dwt.See 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
Sold2022Antique Opal Cameo Diamond Platinum BroochAntique black opal cameo set atop onyx set in platinum and 18kt white gold with diamonds. Width 1 3/8;; total weight 7.5 grams Condition: Two tight fissures in onyx at 12 and 6, perhaps intentionalSee Sold Price
Sold2022Antique Gold, Platinum, Emerald, Demantoid Garnet and Diamond Lizard BroochAntique Gold, Platinum, Emerald, Demantoid Garnet and Diamond Lizard Brooch 63 old-mine cut diamonds ap. 1.55 cts., 13 cushion-shaped and round demantoid garnets, 2 cushion-shaped ruby eyes, c. 1910,See Sold Price
Sold2023$42000 Edwardian Diamond & Platinum Brooch, Pendant$42852 Spectacular Edwardian antique diamond and platinum brooch with 6.68 carats of diamonds! 17.1 grams of platinum. Circa 1910. You won't find another like it anywhere. Complete with appraisal of $See Sold Price
Sold2018PLATINUM, GOLD, DIAMOND & PEARL EARRINGS & PINPLATINUM, YELLOW GOLD, DIAMOND & PEARL EARRINGS AND PIN SET OF 3 A grouping of platinum diamond and pearl clip earrings and brooch. Total weight: 24 grams. Pendant measures 1 1/4" DIA featuring a 10mmSee Sold Price
Sold2020Platinum and Diamond BroochA Brooch composed of platinum. encrusted with approx. 2 cts of single cut White diamonds. Unmarked (Tested Platinum) Total Weight: 8 Grams CIRCA: 20th Cent. ORIGIN: USA DIMENSIONS: H: 1" W: 1.5" CONDISee Sold Price
Sold2022Vintage Platinum Diamond Heart Brooch PendantThis is a vintage platinum heart shaped pendant/brooch studded with 48 Old European cut diamonds. SI-I clarity and GH-HI color. 1 3/8 x 1 3/8". It weighs a total of 8.1g. Draft title TW estimate seemsSee Sold Price
Sold2022Elegant Platinum, Diamond and Sapphire BroochDESCRIPTION: An elegant brooch comprised of a platinum foundation, centered by a 1.5ct oval cut Sapphire, further encompassed by a series of Diamonds along the spiraling frame including Marquee, RoundSee 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
Sold2023A Diamond BroochA Diamond BroochThe circular brooch set with 34 round brilliant-cut diamonds weighing approximately 2.29 carats, in platinum.9.20 grams1 1/4" Dia.See Sold Price
Sold2023An Art Deco Platinum, Gemstone and Diamond Broocha finely crafted antique bar brooch measuring 3.8 cm in length, containing five round mixed cut sapphires (unheated) weighing approximately 1.60 carats total, 18 caliber cut emeralds, and six old EuroSee Sold Price
16 hrs LeftSeized Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
6 days LeftFederal Assets AuctioneersAntique Art Deco Platinum European Marquise Diamond Ribbon Bow Wreath Brooch Pin$1
May 28Miami Auction GalleryANTIQUE BLACK STARR & FROST-GORHAM DIAMOND PLATINUM DECO BROOCH PIN$12,750
16 hrs LeftSeized Assets AuctioneersAntique Krementz Edwardian Platinum Top 14k Gold Diamond Etched Bar Pin Brooch$1
4 days LeftFederal Assets AuctioneersAntique Art Deco Black Starr Frost Platinum GIA Natural Pearl & Diamond Bar Pin$1
May 28Miami Auction GalleryANTIQUE ART DECO DIAMOND EMERALD PLATINUM FLEUR DE LIS BROOCH PENDANT$24,000
2 days LeftHeritage Auctions55200: Antique Natural Pearl, Diamond, Platinum-Topped$3,000
840 Lots AwaySeized Assets AuctioneersAntique Victorian 14k Gold & Platinum GIA Old Sapphire Ruby Diamond Long Bar Pin$1(1 bid)
2 days LeftHeritage Auctions55204: Antique Natural Pearl, Cultured Pearl, Diamond, $6,000