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
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
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
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
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
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
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 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
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
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
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
Sold2022Midcentury Platinum 14k Gold Diamond Brooch PendantMETAL: Platinum and 14k Gold. GEMSTONES: Old mine diamonds approx. 2.35ctw. MEASUREMENTS: Brooch is 38mm x 35mm. MARKED: Lebolt. Tested - Plat, 14k. WEIGHT: 11 grams.Gemstones have not been graded forSee Sold Price
Sold2023Antique Gold Platinum Miniature Portrait Diamond Brooch PendantMETAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 35mm x 25mm. GEMSTONES: Diamonds. TESTED: 18k/ Plat. WEIGHT: 7.5 grams.Gemstones have not been graded for color and clarity ,and tested for clarity aSee Sold Price
Sold2020Platinum & Diamond Art Deco Brooch Pendant WatchLadies pendant / brooch watch. Features a platinum brooch and case housing a non functioning movement with diamonds. Total diamond weight is approximately 1.0 carats. Weigh 12 grams. Measures 1 3/8" xSee Sold Price
Sold2017A Lady's Russian Platinum Ruby & Diamond PinA Lady's Russian Platinum Ruby & Diamond Pin / Brooch / Pendant. Containing four (4) rubies set in a platinum mounting containing 2.50 carats of diamonds. Clarity SI clarity H-I color. approx weight 1See Sold Price
Sold2015Platinum, Diamond and Pearl BroochPlatinum, diamond and pearl brooch/pendant with grape motif. [1 1/2" W x 2" L]. In good condition. Diamonds approximately 1 ct, total weight 9.7 dwt.See Sold Price
Sold2016Platinum 2.00ctw Diamond Star Motif Brooch PendantMETAL: Platinum. GEMSTONES: Diamonds - approx. 2.00ctw. MEASUREMENTS: Brooch is 48mm x 35mm. TESTED: Platinum. WEIGHT: 14.1 grams. Gemstones have not been graded for color and clarity ,and tested forSee Sold Price
Sold2024A shell cameo, diamond and platinum brooch-pendantA shell cameo, diamond and platinum brooch-pendant the pink shell cameo depicting nymph holding a jug aloft, framed by 60 round brilliant-cut diamonds weighing approximately 1.50 carats, with diamond-See Sold Price
May 28Miami Auction GalleryANTIQUE ART DECO DIAMOND EMERALD PLATINUM FLEUR DE LIS BROOCH PENDANT$24,000
5 days LeftJasper52Oscar Heyman Sapphire Diamond Platinum Necklace Bracelet Brooch Pin Pendant$68,000
May 11Hess Fine AuctionsAntique Marcus & Co. 5ctw Fine Old Euro Diamond Aquamarine Center Platinum Art Nouveau Era Pendant B$800(6 bids)
May 17BidhausDavid Webb Platinum & 18K Yellow Gold Multicolor Cabochon Gemstone And Diamond Maltese Brooch$10
85 Lots AwayMerrill's Auctioneers and AppraisersPlatinum Diamond & Ruby Edwardian Tie Pin$300(4 bids)