Sold2022OSCAR HEYMAN & BROTHERS, YELLOW GOLD, PLATINUM AND DIAMOND FOX BROOCHOSCAR HEYMAN & BROTHERS, YELLOW GOLD, PLATINUM AND DIAMOND FOX BROOCH Containing 27 round brilliant cut diamonds weighing approximately 0.80 carat total and two ruby eyes. 1 inch x 1 1/4 inches. StampSee Sold Price
Sold202211009: Oscar Heyman Diamond, Sapphire, Platinum Brooch Oscar Heyman Diamond, Sapphire, Platinum Brooch Stones: Full-cut diamonds weighing a total of approximately 1.20 carats; square and calibré-cut sapphires Metal&colSee Sold Price
Sold2020Platinum Diamond Brooch PendantMETAL: Platinum. GEMSTONES: Diamonds approx. 3.00ctw. MEASUREMENTS: Brooch is 42mm x 33mm. has a hook on the bottom to attach a drop. TESTED: Plat. WEIGHT: 12.5 grams.Gemstones have not been graded foSee Sold Price
Sold2022Oscar Heyman Platinum Diamond Sapphire RingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.25ctw. Sapphire (some stones are chipped). MEASUREMENTS: Ring size 8 1/4, ring top is 5.8mm wide (split shank) . MARKED/TESTED: Numbered, not signed. EngSee Sold Price
Sold2015Art Deco Platinum Diamond Brooch PendantBrooch measures 70mm x 7mm. Diamonds - approx. 0.80-0.90ctw. Tested plat. Weight - 7.3 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unlessSee Sold Price
Sold2018Platinum Diamond Brooch/PendantContaining round brilliant, marquise, pear, and baguette cut diamonds approximately 4.0 carats total weight. Hidden bale to verso. Marked 4196 . 2.25" x 1.25". 14.3 dwt.See Sold Price
Sold2022Elegant Platinum and 5.5ct Diamond BroochDESCRIPTION: A Platinum Diamond Brooch/Pendant features a dangling design inset with an array of Baguette, Marquee, and Round cut diamonds. The center set with the largest 0.5ct round Cut Diamond, furSee Sold Price
Sold2018Edwardian Platinum and Diamond Brooch/PendantEdwardian Platinum and Diamond Brooch/Pendant ca. 1910, the circular platinum brooch with an openwork lacy pattern set with a central old European-cut diamond, surrounded by smaller European-cut diamoSee Sold Price
Sold2022An Edwardian platinum and diamond brooch pendantAn Edwardian platinum and diamond brooch pendant centering an old European-cut diamond weighing approximately 1.25 carats; accented by single and old European-cut diamonds; total remaining diamond weiSee Sold Price
Sold2022A Oscar Heyman Platinum and Diamond Eternity BandWith 27 full cut diamonds (app. 1.35 ct T.W.) Marked and numbered as pictured, Dimensions:Size 10 1/4, the width is 3mm, the approximate gross weight is 2.8 dwt. Provenance:From a local estate.See Sold Price
Sold2024Antique Platinum Convertible Diamond Brooch / PendantAntique Platinum Convertible Diamond Brooch / Pendantin an open and shaped design set with old European and old mine cut diamonds weighing between 4.0 and 5.0 total carats (I-J color, VS2-I1 clarity)See Sold Price
Sold2017Platinum and diamond brooch/pendant set with marquisPlatinum and diamond brooch/pendant set with marquis and baguette diamonds approximately 4ct. total weight.See Sold Price
Sold2024Art Deco Platinum Gold Diamond Brooch Pendant NecklaceMETAL: 14k Gold/ Platinum. MEASUREMENTS: Necklace with the pendant attached is 19" long, pendant detaches and converts into a brooch - 46mm x 15mm. GEMSTONES; Diamonds approx. 3.00ctw. MARKED: IrSee Sold Price
Sold2022Retro 18k Gold Platinum Ruby Diamond Brooch PendantMETAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 41mm x 32mm. GEMSTONES: Rubies, Diamonds approx. 1.00ctw. TESTED: 18k/ Plat. WEIGHT: 15.5 grams.Gemstones have not been graded for color and claritySee Sold Price
Sold2016Art Deco Platinum 1.00ctw Diamond Brooch PendantBrooch measures 29mm x 22mm, set with approx. 1.00ctw in diamonds (center stone approx. 0.450ct) Tested plat. Weight - 5.7 grams.Gemstones have not been graded for color and clarity ,and tested for clSee 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
Sold202118K Gold Platinum Diamond Cross Brooch PendantMETAL: 18k Gold and Platinum. GEMSTONES: Diamonds approx. 1.00ctw. MEASUREMENTS: Brooch/Pendant - 35mm x 23mm. TESTED: 18k, Plat. WEIGHT: 3.5 grams.Gemstones have not been graded for color and claritySee Sold Price
Sold2024Art Deco Platinum and Diamonds Brooch/Pendant - Approximately 6.87 Cttw.Art Deco Platinum and Diamonds Brooch/Pendant - Approximately 6.87 Cttw.Tested platinum composition with gold overlay. 58mm x 31.5mm in size (excluding bail). 19.4 grams total weight, SI1 - SI2 claritSee Sold Price
Sold2024Retro 18K & Platinum Emerald & Diamond Brooch/PendantRetro 18K & Platinum Emerald & Diamond Brooch/PendantWeighing 25.6 gramsSet with an app. 50.00 Ct. EmeraldAlong with 7 Emeralds weighing app. 7.00 Ct.And 25 Diamonds weighing app. 0.70 Ct.F-H Color, VSee Sold Price
Sold2023Art Deco Platinum Diamond & Ruby Brooch/PendantArt Deco Platinum Diamond & Ruby Brooch/PendantWeighing 14.2 gramsSet with 29 Diamonds weighing app. 1.70 Ct.Along with 14 Diamonds weighing app. 1.70 Ct.F-G Color, VVS-VS ClarityAnd 14 Rubies weighinSee Sold Price
Sold2020ART DECO PLATINUM, DIAMOND, & SAPPHIRE BROOCH/PENDANTcentering one marquise cut diamond [J/VS1] weighing approximately 0.36 carats; 81 full cut diamonds [G-I/VS1-SI1] weighing approximately 2.15 carats total; and 36 square step cut sapphires weighing apSee Sold Price
Sold2022OSCAR HEYMAN Art Deco Platinum Diamond BraceletOSCAR HEYMAN Art Deco Platinum Diamond Bracelet Weighing 65.1 grams Including letter of authenticity from Oscar Heyman Set with a total of 30.63 Ct. of Diamonds: 66 Square Diamonds weighing 12.39 Ct.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
Sold2021Oscar Heyman 18k Gold Platinum Diamond Ring18k gold ring by Oscar Heyman. Features approximately 1.50ctw of diamonds. Ring size 8.5. Marked 18k Plat 48766 Makers Mark. Weight is 6.3 grams.See Sold Price
Sep 30Heritage Auctions55514: Oscar Heyman Diamond, Sapphire, Gold Pendant-Br$2,400
Sep 30Heritage Auctions55008: Oscar Heyman Diamond, Platinum, Gold Brooch, Ci$2,400
Sep 30Heritage Auctions55517: Oscar Heyman Diamond, Colored Diamond, Sapphire$2,400(1 bid)
6 days LeftMynt AuctionsOscar Heyman Platinum Circa 1925 Diamond And Calibre Cut Green Emerald Bracelet$5
Sep 30Heritage Auctions55513: Oscar Heyman Diamond, Gold Brooch, circa 1990 S$4,000
2 days LeftMynt AuctionsDavid Webb Platinum & 18K Yellow Gold 15.80cts Heraldic Diamond Pendant Brooch$5(1 bid)
6 days LeftMynt AuctionsOscar Heyman Platinum & 18K Yellow Gold Dome Shrimp Baguette And Round Cut 7.00cttw Earrings$5