Sold2023TIFFANY & CO. Platinum, Diamond, and Sapphire Pendant/BroochTIFFANY & CO. Platinum, Diamond, and Sapphire Pendant/Broochthe circle brooch featuring a row of round brilliant-cut diamonds weighing approx. 3.10 tcw. and a row of channel-set baguette-cut sapphiresSee Sold Price
Sold2022Marcus & Co. Platinum, Gold, Amethyst and Diamond BroochMarcus & Co. Platinum, Gold, Amethyst and Diamond Brooch One lozenge-shaped amethyst ap. 27.0 x 18.0 x 9.7 mm., rose-cut diamonds, signed M & Co., c. 1915, ap. 8.2 dwts. CSee Sold Price
Sold2021Tiffany & Co. Platinum Sapphire and Diamond Broochset with seven sapphires and 10 diamonds signed "Tiffany & Co." 1 3/4" long, 3.3 dwt grossSee Sold Price
Sold2022MARCUS & CO: SAPPHIRE AND DIAMOND BROOCH/PENDANT, EARLY 20TH CENTURYMARCUS & CO: SAPPHIRE AND DIAMOND BROOCH/PENDANT, EARLY 20TH CENTURY The central oval-cut sapphire within an openwork quatrefoil border of floral and foliate motifs, millegrain-set throughout with oldSee Sold Price
Sold2021Marcus & Co. Edwardian Diamond Crescent BroochMarcus & Co. Edwardian Diamond Crescent Brooch platinum/18k yellow gold, the brooch mounted with old European-cut and old single-cut diamonds weighing approximately 2.50 carats in total, signed "M & CSee Sold Price
Sold2022Vintage Diamond and Sapphire Bow Brooch, Tiffany & Co.Vintage Diamond and Sapphire Bow Brooch, Tiffany & Co.the delicate platinum bow with milgrain detailing and set with full cut round diamonds weighing approximately 1.15 total carats (F-G color, VS claSee Sold Price
Sold2020Diamond, Yellow Sapphire, Platinum, Gold Brooch,Diamond, Yellow Sapphire, Platinum, Gold Brooch, Schlumberger for Tiffany & Co. The brooch features a round-cut yellow sapphire weighing approximately 1.10 carats, enhanced by full-cut diamonds weSee Sold Price
Sold2022TIFFANY & CO. DIAMOND, EMERALD & SAPPHIRE BROOCH.This impressive signed platinum ”Maltese Cross” brooch with 18kt yellow gold accents features an approx. 5.27 ct. medium slightly violetish blue sapphire cabochon bezel set into the centerSee Sold Price
Sold2024Antique Marcus & Co. 5ctw Fine Old Euro Diamond Aquamarine Center Platinum Art Nouveau Era Pendant BTitle: Antique Marcus & Co. 5ctw Fine Old Euro Diamond Aquamarine Center Platinum Art Nouveau Era Pendant Brooch w/ Orig. Box Dated 1922 Description: A truly dazzling Art Deco era brooch / pendant thaSee Sold Price
Sold2020A diamond and platinum pendant brooch, Tiffany & Co.,A diamond and platinum pendant brooch, Tiffany & Co."Enchant," 1996designed as a round brilliant-cut diamond dragonfly with sapphire eyes; estimated total diamond weight: 0.60 carat.3.6 dwt.; Length:See Sold Price
Sold2022Art Deco Platinum Diamond & Sapphire BroochThe exceptionally fine handmade art deco brooch is set with 212 old mine cut diamonds, 20 square calibre cut diamonds and 52 calibre cut sapphires set in platinum. The brooch has an approx. diamond weSee 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
Sold2020TIFFANY & CO. Platinum Diamond Sapphire RingTIFFANY & CO. Platinum Weight 4.6gr Diamond 0.3ct Blue Sapphire 0.4ct Measurements 0.8"x0.15" Band Ring Size 6See Sold Price
Sold2020Platinum Diamond Sapphire BroochThis elegant Art Deco brooch is crafted in solid platinum, containing 4 old European cut diamonds weighing approximately 0.80 carat total, 27 old European cut diamonds weighing approximately 0.27 caraSee Sold Price
Sold2023Tiffany & Co Platinum Diamond Sapphire RingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.50ctw. Sapphire - 5.9mm. MEASUREMENTS: Ring size 6 3/4, ring top is 5.9mm wide. MARKED: Tiffany & Co PT950, 28948999. WEIGHT: 5.2 grams.Gemstones havSee Sold Price
Sold2022TIFFANY & CO. PLATINUM & DIAMOND BROOCHstamped 'Tiffany & Co. / PT950'; containing 42 full and single-cut diamonds [G-I/VS] weighing approximately 1.00 carats total; approximately 12.00 x 40.60 mm; 5.1 gramsSee Sold Price
Sold2021Platinum Diamond Sapphire BroochPlatinum Weight 9.6g Diamond Approx. 1.5ct Sapphire Approx. 0.3ct Brooch Measurements 0.95”x2.5”See Sold Price
Sold2021TIFFANY & CO. PLATINUM DIAMOND & SAPPHIRE RINGTIFFANY & CO. PLATINUM DIAMOND & SAPPHIRE RINGAmerican, late 20th- early 21st century. A platinum band channel set with alternating diamond and sapphire, size 6.25. Weighing 6 gramsSee Sold Price
Sold2016Tiffany & Co Platinum Diamond Sapphire Half BandMETAL: platinum. MEASUREMENTS: Ring size 6 1/2, ring is 3.2mm wide . GEMSTONES: Diamonds approx. 0.15ctw, blue sapphires . MARKED: Tiffany & Co, pt950. WEIGHT: 5.3 grams.Gemstones have not been grSee Sold Price
Sold2015AUDEMARS PIGUET & CO WRISTWATCH & BRACELETAUDEMARS, PIGUET & CO. PLATINUM, DIAMOND & SAPPHIRE WRISTWATCH WITH GOLD MESH BRACELET, C. 1925:Audemars, Piguet & Co., Swiss lady's wristwatch, platinum case set with diamonds and sapphires, engravedSee 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
Sold2018Belle Epoque Platinum Diamond and Sapphire Brooch;Belle Epoque Platinum Diamond and Sapphire Brooch; platinum; 13.0dwt/20.21g; center = 1.25cts; 94 round diamonds = 9.25cts; Total Diamond Weight = 10.50cts; 59 sapphires = 1.25cts; 2 1/4" x 1 1/4"See 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
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