Sold2020.80ct Diamond Platinum Modern Engagement RingStunning diamond engagement ring fashioned in platinum. The round brilliant cut diamond weighs approximately .80 carats and is graded H color and SI1 clarity. The diamond is flanked by two tapered bagSee Sold Price
Sold2015Modern Platinum Diamond Engagement Ring SettingSide diamonds total approx. 0.30ctw. Center will fit approx. 7mm round diamond. Ring size 7.25. Marked PT950, weighs 9.0 grams.Gemstones have not been graded for color and clarity ,and tested for clarSee Sold Price
Sold2015Modern Platinum Diamond Engagement Ring SettingPrincess cut side diamonds total approx. 0.40ctw. Center will fit approx. 5.5mm princess or 6mm round diamond. Ring size 4.75. Marked PT900. Weighs 6.8 grams.Gemstones have not been graded for color aSee Sold Price
Sold2021Platinum diamond engagement ring, modern, 5.45 dwtsPlatinum diamond engagement ring, modern, 5.45 dwts.This ring contains one VS1 clarity G color.65ct center diamond along with 12 square cut VS1 G color for a total diamond weight of approximately 2.45See Sold Price
Sold2021TIFFANY & CO Platinum Diamond Engagement RingTIFFANY & CO Platinum Weight 5.4g Diamond VS1-G Approx. 0.80ct Engagement Ring size 7 Measurements 1”x0.85” See Sold Price
Sold2017David Yurman Platinum Diamond Engagement Ring SettingMETAL: platinum. MEASUREMENTS: ring size - 6 1/2, widest point of the shank is 7mm, center will fit approx. 5.8mm stone (0.80ct) , halo setting is 8.2mm in diameter. GEMSTONES: approx. 20 diamonds inSee Sold Price
Sold2022Platinum 18k Emerald Diamond Engagement RingPlatinum 18k Weight Emerald Approx. 1.02ct Diamond Approx. 0.80ct Engagement Ring Size 7.25 Measurements 0.25”x0.75”See Sold Price
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
Sold2024Antique Platinum 2.42 ctw Diamond Engagement RingA very fine, true antique era engagement ring. The engagement ring dates to around the 1930's with natural baguette cut diamonds. The center diamond is a modern CVD, old European round cut. The centerSee Sold Price
Sold2021TIFFANY & Co. PLATINUM ETOILE ENGAGEMENT RING 0.43ctTIFFANY & Co. ETOILE ENGAGEMENT RING Ring size is a 10 Ring measures 0.18" wide on top Tiffany & Co. Platinum etoile engagement ring Diamond weight is 0.43ct Color G Clarity VS2 Tiffany & Co. LeatherSee Sold Price
Sold20230.206Ct Diamond 14K White Gold RingExceptionally elegant, this halo diamond engagement ring offers a clean, modern aesthetic. The delicate 14k white gold ring features a single row of micro-pave set round brilliant cut diamonds. theseSee Sold Price
Sold20245.03 Carat Radiant Cut GIA Certified Diamond Platinum Engagement Ring5.03 carat, GIA certified, rectangular Radiant shaped Diamond solitaire. GIA certificate and professional appraisal document.See Sold Price
Sold20224.03 CT Three Stone Diamond Platinum Engagement Ring. EGL CertRadiant cut diamond ring is simply breathtaking. The astonishing 3.18ct. Radiant center stone is G color VS2 clarity, certified by EGL.See Sold Price
Sold2022Tiffany Co 1.27ct Diamond Platinum Engagement Ring• Described & Photographed By: CHRIS AJP GIA / NMYSOT 34191 / Please scroll down to see ALL 14 images• Title: Tiffany Co 1.27ct E VS2 Diamond Wide Platinum Engagement Ring w/ Box Papers CertSee Sold Price
Sold2022ART DECO 1.70CT DIAMOND PLATINUM ENGAGEMENT RING c 1925 A finely crafted C1925 Art Deco PlatinumART DECO 1.70CT DIAMOND PLATINUM ENGAGEMENT RING c 1925 A finely crafted C1925 Art Deco Platinum and diamond engagement ring. Centered with one OEC (Old European Cut) diamond of K-L color and VS1-VS2See Sold Price
Sold2022ART DECO 1.70CT DIAMOND PLATINUM ENGAGEMENT RING c 1925 A finely crafted C1925 Art Deco PlatinumART DECO 1.70CT DIAMOND PLATINUM ENGAGEMENT RING c 1925 A finely crafted C1925 Art Deco Platinum and diamond engagement ring. Centered with one OEC (Old European Cut) diamond of K-L color and VS1-VS2See Sold Price
Sold2023GIA Certified 13.25 Carat Sapphire Diamond Platinum Engagement RingGIA Certified 13.25 Carat Sapphire Diamond Platinum Engagement RingSee 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
Sold2016DIAMOND & PLATINUM ENGAGEMENT RINGSet with a RBC diamond, weighing approx. 1 cts., flanked by RBC diamonds within a frame of baguette and marquise-cut diamonds, melee approx. .40 ct. TW, mounted in millegrained platinum, ca. 1955. SizSee Sold Price
Sold2023Old European Sapphire Diamond Platinum Engagement RingOld European Sapphire Diamond Platinum Engagement RingSee Sold Price
Sold2016ANTIQUE DIAMOND & PLATINUM ENGAGEMENT RINGS & BANDSComprising an engagement ring set with an OEC diamond, weighing approx. .50 ct., set to single-cut diamond shoulders, and engraved platinum hoop, melee approx. .09 ct. TW; Three single-cut or RBC diamSee Sold Price
Sold2023Ladies Quality Round Diamond Platinum Engagement Ring Approx. .95/1.00 Carat TW VS QualityLadies Quality Round Diamond Platinum Engagement Ring Approx. .95/1.00 Carat TW (Center Diamond .70/.75 VS Quality I/J Color) Ring Size 5.75 Preowned from an Estate. Looks Like it was Never Worn. (PlaSee Sold Price
Sold2023GIA 1.01ctw E VS2 Diamond Platinum Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5.75. Center will fit approx. 6.5 x 6.4mm stone. GEMSTONES: Two side square modified diamonds - GIA certified, 0.50ct and 0.51ct E/VS2. Come with two GIA reporSee Sold Price
Sold2022Fred Paris Lovelight GIA Diamond Platinum Engagement RingMetal : Platinum Designer : Fred of Paris Gemstone : GIA 0.50 F/VS1 diamond, Side 0.40ctw diamonds Measurements : Ring size 5.25, ring top is 15mm x 10mm Marked: : Fred , PT950, 50, 11643See Sold Price
May 28Miami Auction GalleryTACORI DIAMOND PLATINUM 3 STONE ETERNITY ENGAGEMENT SEMI-MOUNT RINGUS$5,300
May 22Kotler Galleries & AuctioneersART DECO 1.70CT DIAMOND PLATINUM ENGAGEMENT RING c 1925 A finely crafted C1925 Art Deco PlatinumUS$8,000
4 hrs LeftJasper52Cushion Cut Diamond Platinum Ring Art Deco circa 1920s 3.02-carat GIA G SI1US$46,000
May 28Miami Auction Gallery3.41CTS GIA EMERALD-CUT DIAMOND BAGUETTE PLATINUM ENGAGEMENT RINGUS$29,750
May 31Miami Auctions & Appraisals LLC GIA 3.01cts Round Diamond Platinum Solitaire Engagement RingUS$31,250
Jun 02Tremont AuctionsDiamond and platinum engagement ring. Center stone approx 5.4mm diameter, approx 0.60 ct. GoodUS$350
May 31Miami Auctions & Appraisals LLC Vintage 1.61cts European Cut Diamond Sapphire Platinum Engagement RingUS$9,700
May 31Miami Auctions & Appraisals LLC Tiffany & CO 1.90ct Diamond Platinum Solitaire Engagement RingUS$21,000
May 28Miami Auction GalleryTIFFANY & CO. LEGACY 1.74CT GIA CUSHION DIAMOND PLATINUM HALO ENGAGEMENT RINGUS$12,250
May 22Kotler Galleries & AuctioneersTIFFANY & CO .39 CARAT DIAMOND SOLITAIRE PLATINUM ENGAGEMENT RING An Outstanding Tiffany & CoUS$1,600