Sold2016PLATINUM DIAMOND & SAPPHIRE NAVETTE RINGA vertical arrangement of three diamonds, approx. .15 ct. each, mounted in pierced and engraved platinum with millegrained edges, ca. 1930. Size 6 1/2. 3.6 dwt.See Sold Price
Sold2019Navette Art Deco ring with rose cut diamonds andNavette Art Deco ring with rose cut diamonds and calibrated sapphires, in 18K yellow gold backed in platinum.See Sold Price
Sold2021Art Deco-Style Diamond and Sapphire Drop EarringsPair of Art Deco-Style Diamond and Sapphire Drop Earrings platinum, each with a central old European-cut diamond within a ring of calibre-cut sapphires, in navette-shaped plaques set with round brilliSee Sold Price
Sold2022Art Deco Platinum Diamond Sapphire RingArt Deco Platinum Weight 11.28gr Measurements 0.68”x0.78” Diamond Approx 2.08ct Vs1 Center Cabochon Sapphire Approx 2.5ct top and Bottom Approx 0.5ct TW 3ct Ring 6.5See Sold Price
Sold2021An Art Deco Platinum Diamond & Sapphire Ringc. 1915 platinum ring featuring 12 main old European cut diamonds weighing approx. 4.00 ctw set in an elongated rectangle with 14 additional smaller diamonds set in between large ones and down the shaSee Sold Price
Sold2020Art Deco Platinum Diamond Sapphire RingArt Deco Platinum Weight 3.9gr Diamond 1.4ct Si1 K Measurements 0.68”x0.75” Sapphire Ring 6See Sold Price
Sold2021Platinum Diamond Sapphire RingPlatinum Weight 3.5g Oval Diamond Approx. 0.64ct Sapphire Approx. 0.25ct Ring size 7 Ring Measurements 0.9”x0.8”See Sold Price
Sold2017Platinum Diamond Sapphire RingMETAL: platinum. GEMSTONES: center marquise cut diamond-approx. 1.10ct, approx 30 side diamonds, blue sapphires. MEASUREMENTS: ring size 6. Ring is 13.5mm at widest point. MARKED: Irid Plat. WEIGHT: 1See Sold Price
Sold2020Art Deco Platinum Diamond Sapphire RingArt Deco Platinum Weight 3.9gr Diamond 1.4ct Si1 K Measurements 0.68”x0.75” Sapphire Ring 6See Sold Price
Sold2023Platinum Diamond Sapphire RingMetal : Platinum Designer : Not Signed Gemstone : Sapphire approx. 3.34ct (measures approx. 10.3 x 7.8 x 4mm), Diamonds approx. 0.50ctw. Measurements : Ring size 7, top is 18mm wide. Marked:See Sold Price
Sold2021Platinum Diamond Sapphire RingPlatinum Weight 4.26g Diamond Approx. 0.5ct Sapphire Approx. 1.70ct Ring Size 6.5 Measurements 0.5”x0.8”See Sold Price
Sold2022Platinum Diamond Sapphire RingPlatinum Weight 4.3g Diamond Approx. 1.23ct I2 Sapphire Approx. Ring Size 6.5 Measurements 0.5’x0.78”See Sold Price
Sold2020Art Deco Platinum Diamond Sapphire RingArt Deco Platinum Weight 7.8gr Diamond Approx 0.45ct Sapphire Approx 0.5ct Measurements 0.85”X0.75” Ring Size 7See 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 RingPlatinum Weight 4.3gr Measurements 0.6”x0.6” Diamond Approx 1.07ct VVs H Sapphire Ring Size 7See Sold Price
Sold2018Platinum Diamond Sapphire RingMETAL: platinum. GEMSTONES: diamonds, sapphire (RI tested 1.76). MEASUREMENTS: ring size 4.25 ( with sizing shank). Ring top is 11.5mm at widest point. MARKED: 10% Irid Plat. WEIGHT: 4.3 grams.GemstonSee Sold Price
Sold2022Platinum Diamond Sapphire RingPlatinum Weight 3.74gr Measurements 0.68”x0.8” Diamond Approx 0.25ct Sapphire Ring Size 7.5See Sold Price
Sold2021Platinum Diamond Sapphire RingPlatinum Weight 7.7g Diamond Approx. 0.93ct Sapphire Approx. 0.25ct Ring Size 7.5 Measurements 0.8”x0.7”See Sold Price
Sold2018Art Deco Platinum Diamond Sapphire Ring SettingMETAL: platinum. GEMSTONES: diamonds ( one stone is missing), sapphire. MEASUREMENTS: ring size 5.25. Ring top is 14.5 x 14.5mm. Ring center will keep approx. 6mm round stone. TESTED: platinum. WEIGHTSee Sold Price
Sold2021Art Deco Platinum Diamond Sapphire RingArt Deco Platinum Weight 4.3gr European Cut Diamond Approx. 0.4ct Sapphire Approx. 2.5ct Ring Size 6.5 Measurement 0.6Óx0.8ÓSee 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
Sold2018Deco Platinum Diamond & Sapphire RingDeco Platinum Diamond & Sapphire Ring, two approx 3/4 ct each round mine cut diamonds and center sapphire stone in prong set hexagonal mounting with pierced sides basket. Stamped "JLK Plat". 3 DWT, siSee Sold Price
Sold2024Antique Platinum &; Diamond Navette RingTested platinum navette ring set with Old European and Old Mine cut diamonds. Approximately .60 CTW. 3.4 grams. Size 5-1/2. In Bailey, Banks &; Biddle, Philadelphia, PA antique ring box.See 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
5 days LeftEstateOfMind AuctionsFINE ART DECO PLATINUM DIAMOND & SAPPHIRE RING, C. 1920US$700(8 bids)
Jun 01Northgate Gallery, Inc.Tiffany and Co. Platinum Natural Diamond and Sapphire Ring, Size 8.0US$250