2017Antique Platinum GIA Diamond Engagement Ring, 5.8ctAntique engagement ring with large outstanding Old European cut diamond color O-P clarity VS1 ring is so brilliant and gorgeous. If you are looking for a stunning antique engagement ring, this is undoSee Sold Price
Sold2024Art Deco GIA Diamond Platinum Engagement RingA very fine antique platinum, diamond engagement ring. The details of this ring are impeccable and the fishtail prongs show very minimal signs of wear for its over 100 years of age. The large center sSee Sold Price
Sold2023LARGE GIA CERTIFIED 14.94CT DIAMOND & AAA SAPPHIRE PLATINUM HALO ENGAGEMENT RINGLARGE GIA CERTIFIED 14.94CT DIAMOND & AAA SAPPHIRE PLATINUM HALO ENGAGEMENT RINGSee Sold Price
Sold2024Art Deco Inspired Antique Marquise Diamond and Natural French cut Sapphire Engagement RingSize: 8 US Materials: Platinum Gemstone: Diamond Adjustable The Kaley ring is a handmade ring inspired in the Art Deco period. It centers one old mine marquise cut diamond of K color and VS1 clarity tSee Sold Price
Sold2023GIA Certified 13.25 Carat Sapphire Diamond Platinum Engagement RingGIA Certified 13.25 Carat Sapphire Diamond Platinum Engagement RingSee Sold Price
Sold20234.34ct Antique Cushion Sapphire Engagement Ring Platinum Diamond4.34ct Antique Cushion Sapphire Engagement Ring Platinum DiamondSee Sold Price
Sold2023GIA Certified 8.16 Carat Sapphire Diamond Engagement Platinum RingGIA Certified 8.16 Carat Sapphire Diamond Engagement Platinum RingSee Sold Price
Sold2023GIA Art Deco Platinum Filigree Diamond Natural Sapphire Ring w Certificate of OriginThis is an antique Art Deco platinum filigree ring featuring an oval modified brilliant cut Cambodian blue natural sapphire surrounded by Old Mine cut diamonds. The sapphire is accompanied by a GIA orSee Sold Price
Sold2022GIA 7.94ct Diamond and Platinum Engagement RingDESCRIPTION: GIA certified 7.94ct Emerald Cut Diamond featuring J color and SI1 Clarity (Per GIA report), mounted atop a Platinum ring, flanked on either side by .50 ct Pear cut VS2 Diamonds. StampedSee Sold Price
Sold2023Vintage GIA NO HEAT Yellow Sapphire Diamond Platinum Halo Cocktail RingPresenting an exquisite All Natural Yellow Sapphire enhanced by a halo of old cut diamonds. The shank is crafted in solid Platinum, with an antique sterling silver top. Featuring in the center an exceSee Sold Price
Sold2022GIA 3.22ct Pear Brilliant Diamond and Platinum Engagement RingDESCRIPTION:A GIA certified 3.22ct Pear Brilliant cut Diamond featuring G color and VS2 Clarity (Per GIA Report), mounted into a Platinum setting flanked on either side by Baguette cut Diamonds. StampSee Sold Price
2021Platinum & 5.02ct. Center Diamond Engagement RingFabulous Platinum & Diamond Engagement Ring. Size - 6.5. Weight - 8.5 grams. GIA certified Diamond, Center Diamond - Cut Cornered Rectangular Modified Brilliant, measurements - 11.13 x 8.68 x 6.10 mm,See Sold Price
Sold2021Ladies 3.19 Carat Platinum Diamond Engagement RingLadies Platinum 3.19 carat diamond ring, GIA certified, featuring 1 emerald cut diamond weighing 2.61 carats, Clarity-SI1, Color-L measuring 9.53 x 6.87 x 4.30 mm, good polish and symmetry and no fluoSee Sold Price
Sold2017"950" PLATINUM & DIAMOND ENGAGEMENT RINGA STAMPED "950" PLATINUM & DIAMOND ENGAGEMENT RING. THE ROUND BRILLIANT CUT DIAMOND HAS A G.I.A. DIAMOND CERTIFICATE THAT STATES THE DIAMOND IS 1.08CTS., I=COLOR, SI2=CLARITY. THIS IDEAL CUT DIAMOND ISee Sold Price
Sold2017JEWELRY. 2+ Cttw Diamond and Platinum Ring.Antique 2+ cttw diamond and platinum engagement ring. Center Old Mine cut diamond flanked by diamond and sapphire accents in a raised filigree platinum setting. Stamped, "platinum" to interior of shanSee Sold Price
Sold2023Antique Estate Art Deco Filigree 1.25 Diamond French Cut Blue Sapphire Shield RingA very antique art deco shield ring with incredible quality stones and attention to detail craftsmanship. Jewelry Type: Antique shield engagement ring Materials: Platinum, natural diamond and blueSee Sold Price
Sold2022Platinum 4.00 Carat GIA Princess Cut Diamond Ring, 5.68Ladies platinum engagement ring featuring a 4.00 carat rectangular modified brilliant diamond, Clarity-SI2, Color-H, measuring 9.45 x 8.78 x 6.30 mm. 71.7% Total Depth; 80% Table; ETN to THK Girdle. GSee Sold Price
Sold2020Platinum Vintage Engagement RingDESCRIPTION: Platinum Vintage Engagement Ring. Features 2.24ct Old Miner in the center (OP Color, VS1), additionally set with sixteen single cut diamonds apx. (.30 ctw). Comes with GIA Certificate andSee Sold Price
Sold2021Antique Art Deco 18k gold and Platinum Diamond andFabulous Art Deco ring handmade during 1920´s with a central single cut diamond of I-SI1 quality that weighs 0.05ctw. It is also adorned with 4 natural calibrated French cut sapphires and 10 rose cSee Sold Price
Sold2016Art Deco Platinum Diamond Sapphire Engagement RingMETAL: platinum. MEASUREMENTS: ring size - 6 1/4, ring top is 13mm wide. GEMSTONES: center diamond - approx. 2.00ct. Surrounded with diamonds and sapphires. MARKED: platinum. WEIGHT: 3.5 grams.GemstonSee Sold Price
Sold2022Platinum GIA Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 7, center will fit approx. 7.4mm stone. GEMSTONES: Side two GIA certified diamonds - each 0.42ct H/SI1. TESTED: Plat. WEIGHT: 6.6 grams.Gemstones have not beenSee Sold Price
Sold2022Platinum Antique Diamond Engagement RingDescriptionPlatinum Antique Diamond Engagement Ring.Metal: Platinum,Primary Stone: Diamond | Shape: Round Transitional Cut | Size: 6mm diameter x 3.73mm depth | Weighs: 87/100ct | Color: K | Clarity:See Sold Price
Sold2018Platinum Diamond Sapphire Engagement RingMETAL: Platinum. MEASUREMENTS: Ring size - 6.5. GEMSTONES: Diamond approx. 0.75ct, Sapphires - approx. 1.00ctw. MARKED: US, plat. WEIGHT: 8.9 grams.Gemstones have not been graded for color and claritySee Sold Price
Sold2022Platinum GIA Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 6.5, center will fit approx. 5.3 x 5.1mm stone. GEMSTONES: Side two diamonds - GIA certified, each 0.30ct H/SI1. TESTED: Plat. WEIGHT: 5.8 grams.Gemstones haveSee Sold Price
4 days LeftJasper52Art Deco Inspired Old European cut Diamond and French cut Sapphire Engagement RingUS$3,200
2 days LeftFederal Assets AuctioneersAntique Platinum 1.08 ctw GIA European Diamond Solitaire Sapphire Engagement RinUS$1
4 days LeftSeized Assets AuctioneersAntique Platinum 1.08 ctw GIA European Diamond Solitaire Sapphire Engagement RinUS$1
Featured4 days LeftJasper52Platinum Emerald Cut Diamond and French cut Sapphire Engagement RingUS$3,000
Featured4 days LeftJasper52Handmade Platinum Old Mine Diamond and French Cut Sapphire Engagement RingUS$3,600
Featured4 days LeftJasper52Art Deco Style Handmade Emerald Cut Diamond and Sapphire Engagement RingUS$3,000
5 days LeftSeized Assets AuctioneersPlatinum 2.83 ctw GIA Cushion Ceylon Purple Sapphire & Diamond Engagement RingUS$1
2 days LeftPapps Family LiquidationAntique style Diamond and Blue Sapphire Engagement Ring Platinum 1.75ctwUS$500
556 Lots AwayPapps Family LiquidationGIA Certified Butterfly Diamond and Sapphire Engagement Ring platinum 1.20 ctwUS$4,000
2 days LeftPapps Family LiquidationGIA Certified Butterfly Diamond and Sapphire Engagement Ring platinum 1.20 ctwUS$4,000
6 days LeftFederal Assets AuctioneersAntique Art Deco Platinum 1.30 ctw GIA Diamond Etched Filigree Engagement RingUS$1
May 31Miami Auctions & Appraisals LLC Kashmir Vintage Sapphire Diamond Platinum Three Stone RingUS$40,250
May 21Bidhaus5 carat Old European Cut Diamond K/VS2 GIA Antique 5.00ct K VS2 Old European Cut Diamond RingUS$10(1 bid)
9 hrs LeftLilly M. JEWELERSDiamond with Ruby and Sapphire Art Deco Style Engagement Ring in Platinum950US$5,800
469 Lots AwayJohn McInnis Auctioneers,LLCVINTAGE PLATINUM DIAMONDS AND SAPPHIRE BYPASS RINGUS$3,250(5 bids)
May 28Miami Auction GalleryGIA Certified 6.15cts Ceylon No Heat Natural Sapphire and Diamond Platinum RingUS$7,100