Sold2015Harry Winston 18k Platinum Sapphire & Diamond RingThe ring features, oval cushion mixed cut natural sapphire weighing approximately 3.88ct. with 320 round brilliant cut natural diamonds weighing approximately 5.75ct mounted in a platinum and 18k settSee Sold Price
Sold2021Art Deco 18k Platinum Sapphire Diamond RingArt Deco 18k Platinum Weight 4.7 Sapphire Approx. 0.50ct Rose Cut Diamond Approx. 0.5ct Ring Size 6.5  Measurements  0.81”x0.71”See Sold Price
Sold2022Art Deco 18k Platinum Sapphire Diamond RingArt Deco 18k Platinum Weight 2.2g Sapphire Diamond Approx 0.1ct Ring Size 7.5 Measurements 0.6”x0.8”See 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
Sold2022Antique Art Deco 18K Gold and Platinum Sapphire and Diamond RingAntique Art Deco 18K Gold and Platinum Sapphire and Diamond Ring Antique Art Deco 18K Gold and Platinum Sapphire and Diamond Ring - Finger Exquisite Art Deco piece handmade in 18k gold and platinum feSee Sold Price
Sold201618k Gold Platinum Color Changing Sapphire Diamond RingRing size 7 1/2, ring top is 8.2mm x 23mm. Color changing sapphire - 6.7mm in diameter, surrounded with 6 old mine cut diamonds (approx. 0.72ctw) Marked: 18ct, platinum. Weight - 5.5 grams.Gemstones hSee Sold Price
Sold2020Art Deco 18K & Platinum Diamond & Sapphire RingArt Deco 18K Yellow Gold Weight & Platinum 4.6gr Diamond Approx 0.71ct VVS H & Sapphire Approx 0.64ct Measurements 0.78”x0.6” Ring Size 6.5See Sold Price
Sold201718K & PLATINUM DIAMOND & SAPPHIRE RINGSet with 5 round platinum-set diamonds and sapphires approx. 0.34 carats, in yellow gold, stamped 18K Plat, size 6, 5.2gms.See Sold Price
Sold2022Platinum & 18k Gold Sapphire & Diamond RingPlatinum & 18k Gold Sapphire & Diamond Ring. Measurements in inches: size 6 3/4 3.5 grams S 6.5 Condition:Good with no problems Shipping:We offer in-house shipping. Item(s) will be packed after invoicSee Sold Price
Sold2021Antique Art Deco 18k gold and Platinum Sapphire andAntique Art Deco 18k gold and Platinum Sapphire and Diamond Ring Description This lovely piece is truly a timeless Art Deco ring with 1 square cut natural sapphire that weighs 0.30ctw. With a band hanSee Sold Price
Sold2023Womens 18K Gold Platinum Diamond Sapphire RingFOR SALE IS THIS WOMENS VINTAGE ESTATE 18K GOLD PLATINUM DIAMOND SAPPHIRE RING. THE RING IS A SIZE 9.0 AND WEIGHS 11.8g. RING IS MARKED "18K, PT 900" WITH A MAKERS MARK "SGS". ANY OTHER QUESTIONS, PLESee Sold Price
Sold2022An 18K yellow gold, platinum, yellow sapphire, and diamond ring, Boris LeBeauAn 18K yellow gold, platinum, yellow sapphire, and diamond ring, Boris LeBeau designed as a tapering cigar band in eighteen karat yellow gold and platinum, centering a bezel set cushion-cut yellow sapSee Sold Price
Sold2022Vintage 18K Gold and Platinum 1940’s Sapphire and Diamond RingVintage 18K Gold and Platinum 1940’s Sapphire and Diamond Ring The Melissa ring is a vintage piece handmade during the 1940’s. It centers one oval cut natural sapphire that weighs 3ctw appSee Sold Price
Sold202118K Gold Platinum Diamond Sapphire RingMETAL: 18k Gold and Platinum. GEMSTONES: Rose cut diamonds - approx. 94 stones, Sapphire cabochon - 9.1mm x 7.2mm. MEASUREMENTS: Ring size 10 1/4, ring top is 13mm wide(ring shank has been sized previSee Sold Price
Sold201918k Gold, Platinum, Diamond & Sapphire RingCirca 1930's Vintage Platinum Ring with Rose cut Diamonds and a Natural round Blue Sapphire Approx. 3.50 CT holded by a 18k Gold bezel setting. Ring size: 8.75.See Sold Price
Sold202418K Yellow Gold and Platinum Sapphire and Diamond Ring18K Yellow Gold and Platinum Sapphire and Diamond Ring. The ring contains 2 round diamonds measuring approximately 1.7mm, 1 round blue sapphire measuring approximately 2.75mm. The ring is stamped 18ctSee Sold Price
Sold202218k Platinum Art Deco Diamond Sapphire Ring18k Platinum Weight 2.55g Art Deco Diamond Approx. 0,2ct Sapphire Approx. 0.50ct Ring Size 7.75 Measurements 0.33”x0.76” See Sold Price
Sold202418k Platinum Art Deco Diamond Sapphire Ring18k Platinum Weight 5.21g Art Deco Diamond Approx. 020ct Sapphire Ring Size 6 Measurements 0.90inx0.80inSee Sold Price
Sold2023Art Deco Platinum & 18k Diamond Sapphire RingArt Deco Platinum & 18k Yellow Gold Weight 2.8gr Measurement 0.24inx0.77in Old mine Diamond Sapphire Ring Size 6.5See Sold Price
Sold2023Platinum 18k Gold Diamond Sapphire RingMETAL: 18k Gold/ Platinum. MEASUREMENTS: Ring size 6.25, ring is 4mm wide. GEMSTONES: Diamonds approx. 0.12ctw. Sapphire approx. 5mm wide. MARKED: Plat 18k. WEIGHT: 5.4 grams.Gemstones have not been gSee Sold Price
Sold2022Art Deco 18k Gold & Platinum Ring with Sapphires & DiamondsArt Deco Ring crafted in 18k yellow Gold and Platinum on top, featuring 3 old mine Diamonds weighing Approx. 0.34 carats. G-H color, VS clarity. Along with French cut Natural blue Sapphires and Rose cSee Sold Price
2021Art Deco Diamond Sapphire RingArt Deco 18k & Platinum Weight 2.9g Diamond Sapphire Ring Size 11.5 Measurements 0.51”x0.8”See Sold Price
Sold2022BAKSA PLATINUM SAPPHIRE & DIAMOND RINGRemodeled Dana ring. Medium-blue fine Sapphire 2.83 ct two trillion -cut diamonds .66 ct tw. H color SI2 clairty. platinum setting with 18k gold shank. 3.3 dwt. Size 4 1/4 Condition: Sapphire shows siSee Sold Price
Sold2022Antique Art Deco 18k and Platinum Diamond and Sapphire RingAntique Art Deco 18k and Platinum Diamond and Sapphire Ring Featuring one central old mine cut diamond of H-SI1 quality that weighs 0.15ctw, this lovely heirloom was handmade during the Art Deco perioSee Sold Price
6 days LeftMynt AuctionsDavid Webb Platinum & 18K Yellow Gold Multigem Sapphire Ruby Emerald And Diamond Cocktail Ring$5
2 days LeftMiami Auctions & Appraisals LLC RARE KASHMIR GIA NO HEAT NATURAL 3.97CTS BLUE SAPPHIRE DIAMOND PLATINUM RING$101,000
2 days LeftSeized Assets AuctioneersVintage Platinum 3.43 ctw AGL Cushion Sapphire & Diamond Ballerina Cocktail Ring$1
4 days LeftSeized Assets AuctioneersVintage Platinum 6.90 ctw GIA Oval Pink Ceylon Sapphire Round Diamond Swirl Ring$1
Sep 30Heritage Auctions55356: Montreux Ceylon Sapphire, Diamond, Platinum, Go$15,000
342 Lots AwayFederal Assets Auctioneers18k Gold Platinum 3.70 ctw GIA Cushion Dark Bluish Green Sapphire w/ Diamond Rin$1
4 days LeftFederal Assets AuctioneersPlatinum 18k Gold 2.61 ctw GIA Fancy Yellow Radiant Diamond Marquise Sapphire Ri$1
Oct 27Modern JewelryBUCCELLATI 1.85 Carat Sapphire 0.90 Carat Diamond 18K Yellow Gold Cocktail Ring$22,500