Sold2020Martin Flyer 3.80ct Sapphire Diamond 18k Gold Platinum18k gold and platinum engagement ring by Martin Flyer, with center 3.80ct oval sapphire and approx. 0.90-1.00cts in diamonds. Ring size 6.75. Marked: MF, 18k, Plat, A1109. Weight - 7.4 grams.See 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
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
Sold2016Art Deco 18k Gold Platinum Diamond Engagement RingMETAL: 18k gold/ platinum. MEASUREMENTS: ring size - 5 1/2, ring top - 5.6mm x 5.6mm. GEMSTONES: Old European cut center diamond - approx. 0.60-0.62ct. Side diamonds approx. 0.09ctw. TESTED: 18k/ platSee Sold Price
Sold2024Tiffany & Co 18k Gold Platinum Diamond Engagement RingMETAL: 18k Gold/Platinum. GEMSTONES: Certified diamond 0.20ct. MEASUREMENTS: Ring size 6. MARKED: Tiffany & Co Au750 Pt950, 32104452 D0.20CT. WEIGHT: 3.1 grams. Comes with Tiffany & Co diamondSee Sold Price
Sold2016Art Deco 18k Gold Diamond Sapphire Engagement RingMETAL: 18k gold. MEASUREMENTS: ring size - 9, ring top is 9.3mm wide. GEMSTONES: diamond approx. 0.10ct, sapphires. TESTED: 18k. WEIGHT: 2.9 grams.Gemstones have not been graded for color and claritySee Sold Price
Sold202418k Gold Diamond Sapphire Engagement RingMETAL: 18k Gold. GEMSTONES: Diamonds approx. 0.50ctw. Sapphire - 7.6mm x 6mm (with some small chips). MEASUREMENTS: Ring size 6, top is 7.4mm. MARKED: Illegible Maker's mark, 18k 750. WEIGHT: 3.8See 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
Sold202418k Gold Platinum Diamond Engagement RingMETAL: 18k Gold. GEMSTONES: Center diamond approx. 0.43ct. Surrounding diamonds (few stones are missing). MEASUREMENTS: Ring size 9, top is 7.9mm. TESTED: 18k Plat. WEIGHT: 2.8 grams.Gemstones have noSee 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
Sold2023Tiffany & Co 18k Gold Platinum Diamond Engagement RingMETAL: 18k Gold/Platinum. GEMSTONES: Diamond approx. 0.15ct. MEASUREMENTS: Ring size 6 1/2, top is 4.3mm. MARKED: Tiffany & Co Au750, Pt950. WEIGHT: 2.3 grams.Gemstones have not been graded for coSee Sold Price
Sold2023Art Deco 18k Gold and Platinum Diamond Engagement RingArt Deco 18k Gold and Platinum Diamond Engagement Ring Description This lovely handmade ring features 5 old European cut diamonds of H-VS1 quality that weigh 0.35ctw. Handmade in 18k gold and platinumSee Sold Price
Sold2020Original Art Deco 18k Gold & Platinum Diamonds andOriginal Art Deco 18k Gold & Platinum Diamonds and Sapphires Ring Description Period: Art Deco (1920-1935) Composition: 18k gold and Platinum 1 old mine cut diamonds H-SI2 0.10ctw 4 rose cut mine cutSee Sold Price
Sold202218k Gold 2.43ct Sapphire Diamond Engagement RingMETAL: 18k Gold. MEASUREMENTS: Ring size approx. 4, sizing balls can be removed to increase the size. GEMSTONES: Ceylon sapphire - 2.43ct, Diamonds 0.61ctw. Ring comes with Neiman Marcus appraisal andSee Sold Price
Sold2021Platinum 18K Gold Diamond Engagement Ring MountingMETAL: Platinum/18k Gold. GEMSTONES: Pink and white diamonds approx. 201 stones (one is missing). Center of the ring will keep approx. 8mm x 7.5mm stone (missing prongs). MEASUREMENTS: Ring size 6 1/2See 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
Sold2021Sapphire Diamond Engagement Ring18K Y/gold Sapphire Diamond Engagement Ring, sapphire weighing approx. 3.00 cts, flanked by two trillon cut diamonds weighing approx. 0.65 cts, GH VS, stamps 750, ring size 7, weight 3.3 dwtSee 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
Sold2021Art Deco 18k gold and Platinum Diamond RingArt Deco 18k gold and Platinum Diamond Ring Description Art Deco engagement ring centering one synthetic oval cut emerald that weighs 3ctw approx. within a frame of 0.20ctw of 16 rose cut diamonds ofSee Sold Price
Sold20213ct Sapphire Diamond 18k Gold Engagement Ring18k white gold engagement ring, ith center approx. 3ct sapphire (stone measures 8.81 x 8.95 x 3.85mm) , with two trillion diamonds on sides - approx. 0.65ctw. Ring size 7. Marked 750. Weight - 5.2 graSee 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
Sold2019Cartier Meli Melo Platinum Diamond Sapphire RingMETAL: 18k gold. GEMSTONES: Diamonds approx. 0.20ctw. Sapphire. MEASUREMENTS: Ring size 6 1/2 (53), ring top is 8mm at widest point. MARKED: 950PT 53 Cartier 08777B. WEIGHT: 6.4 grams. Comes with COASee 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
Sold2024Blue Nile Platinum Diamond Engagement Ring SettingMETAL: 18k Gold. GEMSTONES: Diamonds approx. 1.00ctw. MEASUREMENTS: Ring size 5 3/4, center will fit approx. 5.5mm stone. MARKED: Maker's logo mark Plat. WEIGHT: 6.6 grams.Gemstones have not beenSee Sold Price
10 hrs LeftSeized Assets AuctioneersAntique Art Deco 18k Gold GIA Old European Diamond Sapphire Engagement Ring$1(1 bid)
5 days LeftIntervendueEstate 2.05 Ct No Heat Burma (GIA) Sapphire Diamond Platinum & 18K Gold Ring$1,800
Jun 25Miami Auction GalleryVintage 4.03ct Ceylon Sapphire Diamond 18K Gold Bypass Cocktail Engagement Ring$17,000
3 days LeftBidhaus7 carat Radiant Cut Diamond Fancy Yellow GIA 7.05 Carat Fancy Yellow VS2 Clarity Radiant Cut Ring$10