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
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
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
Sold202418k Gold Platinum Synthetic Sapphire Diamond RingMETAL: 18k Gold. GEMSTONES: Diamonds approx. 1.50-1.70ctw. Synthetic sapphire. (stone is abraded). MEASUREMENTS: Ring size 6 1/4, top is 20mm. TESTED: 18k, Plat. WEIGHT: 5.7 grams.Gemstones have not bSee 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
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
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
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
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
Sold202218k Gold Platinum Diamond RingMETAL: 18k Gold/Platinum. GEMSTONES: Diamonds approx. 1.44ctw. Synthetic Sapphire (tested RI=1.76-1.77. Stone is chipped/abraded)). MEASUREMENTS: Ring size 7 1/4, ring top is 17.4mm wide. TESTED: 18k,See Sold Price
Sold2016A 1930S PLATINUM DIAMOND AND SAPPHIRE SCROLL RINGTwo old European cut diamonds approximately .25 carats each, with sixteen accent diamonds and four small triangle cut synthetic sapphires, the setting marked platinum, ring size 7, weight 6 grams. ProSee 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
Sold2021SYNTHETIC SAPPHIRE AND DIAMOND RINGSYNTHETIC SAPPHIRE AND DIAMOND RING Containing one octagonal mixed cut synthetic sapphire measuring approximately 14.85 x 11.75 x 6.30 mm and 24 single cut diamonds. Mounted in platinum. Ring size 8.See Sold Price
SoldPlatinum, Diamond and Star Sapphire Ringsize approx. 6.75, 13.5mm x 11.5mm star sapphire (possibly synthetic) flanked with (2) 2.75mm x 6mm baguette diamonds and (8) 2mm round cut diamonds, 7.4 grams total weightSee 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
Sold2020Art Deco 18k Gold Platinum Diamond Blue Stone RingMETAL: 18k Gold/ Platinum. MEASUREMENTS: Ring size - 5.75, ring top - 30mm x 20mm. GEMSTONES: Synthetic sapphire (RI tested 1.76-1.77) - 14mm x 9mm x 5.3mm, Diamonds - approx. 0.56ctw. TESTED: 18k/PlaSee Sold Price
Sold202118k Gold Platinum Diamond Blue Stone RingMETAL: 18k Gold/ Platinum. MEASUREMENTS: Ring size - 10, ring top - 16mm x 15mm. GEMSTONES: Center synthetic sapphire (RI 1.76-1.77) Stone is chipped/abraded. Diamonds - approx. 0.50ctw. TESTED: 18k/PSee Sold Price
Sold2021Antique Art Deco 18K gold and Platinum Diamond RingThis original Art Deco ring was handmade in 18k gold and platinum during the 1920´s. One cushion cut synthetic sapphire that weighs 3ctw approx. radiates from the center of this lovely piece. The cSee Sold Price
Sold2021Three Rings, One Platinum, Two 18kPlatinum "pt 900" band with diamonds and "18k" yellow gold accents, 9.8 grams, "18K" white gold ring with two diamonds and synthetic Sapphire Stone, Yellow Gold Band, 9.0 grams 18KSee Sold Price
Sold2021Antique Platinum Diamond Ring19 old European cut diamonds estimated total weight 0.85ct., H-J, SI, 10 synthetic blue sapphires, remnant of stamp "Platinum", size 7-1/2, 4.2 grams - Provenance: A Virginia CollectorSee 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
Sold2016Two Lady's Sapphire and Diamond Rings1) 14K yellow gold ring, with an oval synthetic sapphire center with diamond surround, sz 8, and 2) Platinum, Art Deco ring with 3 French cut sapphires, sz 4.75See Sold Price
Sold2021Platinum and Diamond Ringcenter four round brilliant and 14 round brilliant and single cut diamonds estimated total weight 0.88ct., H-J, SI, two synthetic blue sapphires, remnant of stamp "PLATINUM" and hand inscribed "12 29"See Sold Price
19 hrs LeftSeized Assets AuctioneersAntique Art Deco Platinum GIA European Diamond Sapphire Filigree Engagement Ring$1(1 bid)
2 days LeftSeized Assets AuctioneersAntique Art Deco Etched Platinum 1.0 ctw European Cut Diamond & Syn Sapphire Rin$1
7 hrs LeftMiami Auctions & Appraisals LLC 0.51ct F COLOR CENTER Diamond and 0.57ctw Blue Sapphire Platinum Ring (0.65ctw Diamonds)$1,525
Oct 23Miami Auction Gallery0.51ct F COLOR CENTER Diamond and 0.57ctw Blue Sapphire Platinum Ring (0.65ctw Diamonds)$1,500
Oct 16Kotler Galleries & AuctioneersART DECO PLATINUM 1.58 CT DIAMOND SAPPHIRE RING w/ COA, circa 1935 , with an open work design with$260(2 bids)
19 hrs LeftSeized Assets Auctioneers0.34 ctw Diamond and 0.69 ctw Blue Sapphire Platinum Ring (0.94 ctw Diamonds)$1
7 hrs LeftMiami Auctions & Appraisals LLC 0.34ct Diamond and 0.69ctw Blue Sapphire Platinum Ring (0.94ctw Diamonds)$1,575