Sold2019(Lot of 3) Diamond, synthetic sapphire, gold and(Lot of 3) Diamond, synthetic sapphire, gold and platinum rings Including 1) diamond, synthetic sapphire, platinum-topped and 18k yellow gold ring, size 5.25; 1) diamond, synthetic sapphire and 18k whSee Sold Price
Sold2019Diamond, synthetic sapphire, emerald, platinum and 14k(Lot of 4) Diamond, synthetic sapphire, emerald, platinum and 14k white gold eternity bands Including 1) eternity band, featuring (33) full-cut diamonds, weighing a total of approximately 1.00 ct., seSee Sold Price
Sold2019Diamond, synthetic sapphire and platinum ringDiamond, synthetic sapphire and platinum ring Centering (1) old European-cut diamond, weighing approximately 0.50 ct., accented by (10) old European-cut diamonds, weighing a total of approximately 0.1See 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
Sold2019Diamond, synthetic sapphire and platinum Masonic ringDiamond, synthetic sapphire and platinum Masonic ring Designed as a Masonic five point star, accented by (14) full-cut diamonds, weighing a total of approximately 0.30 ct., enhanced by triangle and FrSee Sold Price
Sold2019(Lot of 2) Sapphire, diamond and platinum rings(Lot of 2) Sapphire, diamond and platinum rings Including 1) cushion-cut sapphire, synthetic sapphire, diamond and platinum ring, size 5 (several stones are missing); together with 1) round-cut sapphiSee Sold Price
Sold2022EDWARDIAN PLATINUM, DIAMOND, & SYNTHETIC SAPPHIRE RINGcontaining three old European cut diamonds [H-J/VS] weighing approximately 0.25 carats total; 16 single-cut diamonds [H-J/VS] weighing approximately 0.40 carats total; and eight caliber-cut syntheticSee Sold Price
Sold202255189: Art Deco Diamond, Synthetic Sapphire, Platinum Art Deco Diamond, Synthetic Sapphire, Platinum Bracelet Stones: Transitional, single, baguette, and rectangular step-cut diamonds weighing a total of approximatelySee Sold Price
Sold202255187: Art Deco Diamond, Synthetic Sapphire, Platinum Art Deco Diamond, Synthetic Sapphire, Platinum Bracelet Stones: Transitional and single-cut diamonds weighing a total of approximately 9.60 carats; calibré-cut synSee Sold Price
Sold2019Platinum, Synthetic Sapphire, and Diamond Bar BroochPlatinum, Synthetic Sapphire, and Diamond Bar Brooch the open-work bar brooch centering a bezel-set circle-cut synthetic sapphire measuring approx. 6.36 x 4.46 mm. and weighing approx. 1.55 cts., furtSee Sold Price
Sold202255192: Art Deco Diamond, Sapphire, Synthetic Sapphire, Art Deco Diamond, Sapphire, Synthetic Sapphire, Platinum Pendant-Brooch Stones: European and single-cut diamonds weighing a total of approximately 2.80 carats; FrenSee Sold Price
2017Sapphire (syn.), Diamond and Platinum RingSapphire (synthetic), Diamond and Platinum Ring. Sapphire cabochon 11.2mm x 9.2mm , surrounded by 26 round mine-cut diamonds totaling approx. 1 ct. (ETER2304){PR} Measurements: Size 5.5See Sold Price
Sold2018*An 18 Karat Yellow Gold, Platinum, Synthetic Ruby,An 18 Karat Yellow Gold, Platinum, Synthetic Ruby, Diamond, Synthetic Sapphire, Cultured Pearl and Glass Sword Jabot, French, consisting of a sword and sheath jabot pin containing one cushion shape miSee Sold Price
Sold2023One Platinum, Diamond and Synthetic Sapphire BroochGUILD laboratories' certificates are as accurate as GIA AND AGL certificates, and Sumer collection stands a hundred percent behind Guild laboratory's certifications.See Sold Price
Sold2018A Yellow Gold, Platinum, Diamond and Synthetic SapphireA Yellow Gold, Platinum, Diamond and Synthetic Sapphire Toi et Moi Ring, containing one old European cut round diamond weighing approximately 1.35 carats and one round mixed cut synthetic sapphire meaSee Sold Price
Sold2022PLATINUM DIAMOND & SYNTHETIC STAR SAPPHIRE PINset with a round diamond approx. 0.20 carat, centering 5 (8x6mm) synthetic star sapphires, and 30 diamond melee, tests platinum, overall diameter 1.4in., 16.2gms.See Sold Price
Sold2023Three broochesThree brooches 19th-early 20th centuryComprising two 19th Century brooches, one shell cameo and metal brooch, one garnet and gold dome brooches, and one platinum, diamond and synthetic sapphire bar pSee Sold Price
Sold2021Collection of Diamond, Synthetic Sapphire, EternityIncluding one ring featuring twenty-one old European-cut diamonds weighing a total of approximately 1.25 cttw. set in a platinum mounting, size 6 1/4; together with a pair of matched rings, each featuSee Sold Price
Sold2022Art Deco Diamond, Synthetic Sapphire WristwatchDIAL: Oval, white, black Arabic hour markers, black outer minutes track, blued dauphine hands. MOVEMENT: Mechanical, seventeen (17) jewels, Bulova Watch Co., 13160, 5PP. CASE: Platinum, tonneau, highlSee Sold Price
Sold2016ART DECO DIAMOND & PLATINUM OR WHITE GOLD ENGAGEMENTComprising three rings set with white or cognac OEC diamonds, weighing approx. .75 ct. TW, in pierced and millegrained filigree platinum or 18k white gold, two with synthetic sapphires, diamond melee,See Sold Price
Sold2021Platinum 18K Gold 2.47ct Diamond RingSize 5 1/4. 18K White Gold and Platinum 2.47ct Old European cut Diamond and synthetic sapphire ring, circa 1920's. Diamond measures 8.4 x 8.4 x5.22mm. Clarity SI2; Color H. Copy of Appraisal is availaSee Sold Price
Sold2021Platinum, Diamond and Sapphire BroochCirca 1920's; Total Gemstone weight 6.96ct; Scalloped filigree plaque set throughout with diamonds and synthetic sapphires. Largest diamond is .52ct; Appraisal upon request. 17.6 gramsSee Sold Price
Sold2022ANTIQUE PLATINUM-ON-YELLOW GOLD, DIAMOND AND SYNTHETIC SAPPHIRE RING. - Ring size: 2 3/4.ANTIQUE PLATINUM-ON-YELLOW GOLD, DIAMOND AND SYNTHETIC SAPPHIRE RING. Cushion shape rectangular synthetic sapphire weighing 3.50-4.00 ct. surrounded by 14 old mine cut diamonds together weighing apprSee Sold Price
Sold2021Synthetic Sapphire and Diamond RingA platinum setting with a large step-cut synthetic blue sapphire of approx. 19mm x 13mm, flanked by 2 baguette-cut diamonds. Ring size 6-1/4. 6.6 dwt.See Sold Price
3 days LeftFederal Assets AuctioneersAntique Art Deco Platinum 7.24 ctw Diamond Large Sapphire Filigree Brooch PinUS$1
2 days LeftFederal Assets AuctioneersAntique Art Deco Etched Platinum 1.0 ctw European Cut Diamond & Syn Sapphire RinUS$1
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May 31Miami Auctions & Appraisals LLC Vintage 1.61cts European Cut Diamond Sapphire Platinum Engagement RingUS$9,700
May 31Miami Auctions & Appraisals LLC Vintage Diamond Sapphire Platinum Bow Pendant Multi Strand Pearl NecklaceUS$9,900
May 31Miami Auctions & Appraisals LLC Walser Wald Vintage Deco Diamond Sapphire Platinum BraceletUS$17,750
May 31Miami Auctions & Appraisals LLC Vintage Art Deco French Diamond Sapphire Platinum Wide BraceletUS$32,500
May 31Miami Auctions & Appraisals LLC Art déco 50.06cts Diamond Sapphire Platinum Wide BraceletUS$82,000
2 days LeftHess Fine AuctionsRare Tiffany & Co Special Order Edwardian Jazz Collection Diamond Sapphire Emerald Platinum RingUS$650(6 bids)
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