Sold2021Art Deco Tiffany & Co Platinum 18k Gold Bar BroochMETAL: Platinum and 18k Gold. GEMSTONES: Diamonds approx. 1.50ctw. MEASUREMENTS: Brooch is 46mm x 4.2mm wide. MARKED: Tiffany & Co. WEIGHT: 6.1 grams.Gemstones have not been graded for color and cSee Sold Price
Sold2017Art Deco Platinum Diamond Sapphire Bar BroochMETAL: Platinum. MEASUREMENTS: Brooch is 23mm x 4mm. GEMSTONES: 2 sapphires, 4 diamonds. TESTED: plat. WEIGHT: 3.1 grams.Gemstones have not been graded for color and clarity ,and tested for clarity anSee Sold Price
Sold2020ART DECO PLATINUM, DIAMOND, & SAPPHIRE BAR BROOCHcentering one round brilliant cut diamond [K/VS2] weighing approximately 0.92 carats total; 104 single and full cut diamonds [G-H/VS1-VS2] weighing approximately 1.40 carats total; 22 round cut and roSee Sold Price
Sold2020ART DECO PLATINUM, DIAMOND, & SAPPHIRE BAR BROOCHcentering one rectangular step cut very dark sapphire weighing approximately 2.50 carats total; six old European cut diamonds [G-H/VS1-VS2] weighing approximately 0.80 carats total; and 62 single andSee Sold Price
Sold2023SIGNED TIFFANY & CO. ART DECO PLATINUM, DIAMOND AND SAPPHIRE LOW DOME RING, early 20th century.SIGNED TIFFANY & CO. ART DECO PLATINUM, DIAMOND AND SAPPHIRE LOW DOME RING, early 20th century. Old European cut round diamond weighing approx 1.00 ct. Centered by two lines of six calibré-cut sappSee Sold Price
Sold2021Tiffany & Co. Art Deco Platinum and Diamond BroochArt Deco platinum and old mine-cut diamond brooch, 4.2 dwt. inclusive. [1 7/8" L].See Sold Price
Sold2024Tiffany & Co Deco Platinum Diamond Sapphire WatchTiffany & Co Art Deco Platinum Diamond and Sapphire Ladies Wrist Watch. Watch is set with round and marquis cut diamonds and square cut sapphires in a platinum case with a manual-wind movement and safSee Sold Price
Sold2021Art Deco Filigree Platinum Diamond Bar Brooch PinMETAL: Platinum/14k Gold hardware. MEASUREMENTS: Brooch is 77mm x 15mm. GEMSTONES: Old mine cut diamonds - approx. 1.80-2.00ctw. TESTED: Plat/14k. WEIGHT: 9.8 grams.Gemstones have not been graded forSee Sold Price
Sold2023TIFFANY & CO ANTIQUE PLATINUM DIAMOND WATCHANTIQUE ART DECO TIFFANY & CO PLATINUM WATCH WITH DIAMONDS CIRCA 1930'S BY CRESARROW FOR TIFFANY AS SHOWN... both the case and buckle are solid platinum, the Grosgrain ribbon band is extra long and isSee Sold Price
Sold2015Art Deco Platinum Diamond Sapphire Ruby Floral BroochBrooch is 29mm in diameter. Set with approx. 0.80ctw in diamonds, sapphire and ruby accents. tested plat. top. Weight - 6.5 grams.Gemstones have not been graded for color and clarity ,and tested for cSee Sold Price
Sold2018UDALL & BALLOU ART DECO PLATINUM, 18K GOLD, SAPPHIRE,UDALL & BALLOU ART DECO PLATINUM, 18K GOLD, SAPPHIRE, AND DIAMOND BAR PIN / BROOCH, tested, marked "U&B", featuring 11 hexagonal-cut sapphires in slightly tapering sizes from 4.1 to 4.7 mm side to sidSee Sold Price
Sold2020Art Deco Diamond Sapphire Platinum Stick PinEstate Art Deco Diamond Sapphire Platinum Stick Pin - A lovely bar stickpin that is approximately 2.3 grams and .75 x .25 inches. About .5 carat of white diamonds .375 carat of sapphires. An easy convSee Sold Price
Sold2023TIFFANY & CO PLATINUM DIAMOND VINTAGE WATCH W/ 14K WHITE GOLD BANDVINTAGE ART DECO TIFFANY & CO PLATINUM CASE WATCH WITH DIAMONDS CIRCA 1950'S WITH 14K WHITE GOLD BAND AS SHOWN... ...the case measures about 16 mm wide by about 34 mm long, estimated weight about 18.See Sold Price
Sold2021ART DECO PLATINUM SAPPHIRE & DIAMOND ROUND BROOCHOne Art Deco period lady's round platinum diamond & sapphire brooch. The brooch measures approx. 1.50" round and features a total of twenty-three (23), bead set old mind cut diamonds measuring 1.70 -See Sold Price
Sold2022Art Deco Style Platinum, Diamond, and Sapphire Ring, Tiffany & Co.Art Deco Style Platinum, Diamond, and Sapphire Ring, Tiffany & Co. the octagonal shaped mount centering on a round brilliant cut diamond with stated weight of 1.75 carats (G color, VS1 clarity) bezelSee Sold Price
Sold2021A DIAMOND BROOCH, TIFFANY & CO in platinum, in the ArtA DIAMOND BROOCH, TIFFANY & CO in platinum, in the Art Deco style, of openwork design, the central rectangular panel accented at either end by hexagonal silhouettes, jewelled throughout with baguetteSee Sold Price
Sold202210051: Tiffany & Co. Art Deco Diamond, Platinum Brooch Tiffany & Co. Art Deco Diamond, Platinum Brooch Stones: European, transitional, and Swiss-cut diamonds weighing a total of approximately 6.00 carats Metal&colSee Sold Price
Sold2022Tiffany & Co Platinum Diamond BroochFully marked on back. In the Beaux -Arts taste, early 20thC. From the same estate as the matching ring (lot 36). Missing one emerald baguette. H 1 W 2 D 1/8 Weight 8 Grams Missing one emerald baguetteSee Sold Price
Sold2017Diamond, synthetic sapphire and platinum bar broochArt Deco brooch set with European and rose-cut diamonds, weighing in total approximately 0.90ct; with European marks; length: 2 in. (loss of one diamond and sapphire)See Sold Price
Sold2023Tiffany & Co. Ladies Art Deco Platinum Diamond WatchHas high grade "gubelin" movement, platinum with diamonds and sapphires. Adjustable band up to 8" length.See Sold Price
Sold2017Art Deco Approx. 2.5 Carat Old European Cut Diamond,Art Deco Approx. 2.5 Carat Old European Cut Diamond, Sapphire and Platinum Bar Brooch. Diamonds G-H color, VS1-SI1 clarity. Unsigned. Missing one small sapphire Very good condition. Measures 2" W, 3/4See 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
Sold2016Art Deco 1.50ctw Diamond Platinum Brooch PinA platinum brooch set with approximately 1.50ctw of old mine cut diamonds separated by synthetic sapphires. The brooch measures 43mm x 23mm and weighs 6.0 grams.Gemstones have not been graded for coloSee Sold Price
Sold2022AN ART DECO SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold and platinum, the tapering bar set with aAN ART DECO SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold and platinum, the tapering bar set with a floral cluster of diamonds to the centre, flanked by rows of graduated cushion cut blue sapphires,See Sold Price
3 days LeftFederal Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch Pin$1(1 bid)
5 days LeftSeized Assets AuctioneersAntique Art Deco Platinum 4.04 ctw Old European Diamond Filigree Bar Pin Brooch$1
May 31Miami Auctions & Appraisals LLC Estate Art Deco 15.00 Carats Diamond Platinum Double Clip Brooch$18,250