Sold20201.60 cts. diamond and platinum engagement ringDiamond and platinum engagement ring Set with a modified rectangular-cut diamond weighing approximately 1.60 cts. by formula Platinum Numbered 5014 Ring size 7 3/4; Gross weight 3.7 dwts GIA Report #1See Sold Price
Sold2022Late Edwardian 18k Platinum Diamond Engagement Ring  Late Edwardian 18k Platinum Weight 2.06g Diamond Approx. 0.40ct I1-H Engagement Ring Size 4.75  Measurements 0.27”x0.66”See Sold Price
2016TACORI PLATINUM DIAMOND ENGAGEMENT RING 2 CTSMain Gem: Diamond Gemstone Size: Approximately 2 cts. emerald shape diamond with approximately 1 ctw. of diamonds in the band Color/Clarity: G-H, SI Metal: Platinum Shipping Domestic: Free shipping wiSee 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
Sold2022Edwardian, Diamond and platinum engagement ringEdwardian Diamond and platinum engagement ring Set with an old European-cut diamond weighing approx. 1.95 cts and single-cut diamonds; 1910s Platinum Ring size 6.50; Gross weight 2.1 dwts Sold with boSee Sold Price
Sold2016Diamond and platinum engagement ring and wedding bandDiamond and platinum engagement ring and wedding band centering one round brilliant cut diamond weighing 1.54 cts., accented by two round brilliant cut diamonds weighing a total of approximately 0.50See Sold Price
Sold2022Platinum & Diamond Engagement RingFine platinum & diamond engagement ring having a .7 ct color F, VS1, wit 2 baguette diamonds .23 cts. Ring size 7.See Sold Price
Sold2015Platinum Diamond Engagement RingLady's Platinum Diamond Engagement Ring, center old European cut diamond weighs approx. 0.57 cts., I color, SI-1 clarity; side diamonds total approx. 0.08 cts., Size 7, 2.2 dwtSee Sold Price
2024Women's Platinum 3 Diamond 1.60 ctw Diamond RingClick or Tap For Video! A very fine diamond 3 stone engagement anniversary ring. 3 stones are popular for the "past, present, Future" representation. The ring is also signSee Sold Price
Sold2015Platinum Solitaire Diamond Engagement RingLady's Platinum Solitaire Diamond Engagement Ring Round Brilliant Cut Diamond weighs approx. 1.01 cts., I color, SI-2 clarity, Size 6-3/4, 5.5 dwtSee Sold Price
Sold2016Diamond and platinum wedding ring setDiamond and platinum wedding ring set one engagement ring features (1) old mine cut diamond weighing 1.16 cts., flanked by (4) full cut diamonds weighing a total of approximately 0.10 ct., set in a plSee Sold Price
Sold2015A Diamond Engagement RingPlatinum Art Deco engagement ring containing old European cut diamond measuring 8.09mm weighing approx 2 cts., 6 marquis cut diamonds set in floral design on shoulders of ring, size 5.5, 4 grams twSee Sold Price
Sold2022Platinum & Diamond Wedding SetAn Art Deco era Platinum and Diamond wedding set. Includes a Tiffany & Co. engagement ring consisting of one round European cut diamond, approximately 1.25 cts, VVS clarity, IJ color, flanked by two aSee Sold Price
Sold2017Vintage Art Deco Engagement Ring, 2.20 CtsLate 19th century. An antique art deco diamond and platinum dome style ring having European-cut diamond center stone (approximately 1.40 carats), flanked by filigree inset with single-cut diamonds (toSee Sold Price
Sold20183.04 CTS. ROUND BRILLIANT CUT DIAMOND ENGAGEMENT RINGWith marquise-cut diamond shoulders, approx. .80 ct. TW. in platinum. Size 8 3/4. 4.4 dwt. Accompanied by GIA Report #1192463663, Dated 29 June 2018, 3.04 cts. Round Brilliant Cut, 9.78 x 9.65 x 5.36See Sold Price
Sold20182.58 CTS. ROUND BRILLIANT CUT DIAMOND ENGAGEMENT RINGWithin four-prong platinum setting. Size 6 1/4. 3.9 dwt. Accompanied by GIA Report #6197680158, Dated 20 September 2018, 2.58 cts. Round Brilliant Cut, 9.07 x 8.99 x 5.1 mm, H, VS2, Good Polish and SySee 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
Sold2023Old European Sapphire Diamond Platinum Engagement RingOld European Sapphire Diamond Platinum Engagement RingSee Sold Price
714 Lots AwayBidhausGIA Certified Radiant 5.05 Carat W-X VS2 Halo Engagement Ring Platinum 0.50 CTS$5
2 hrs LeftBidhaus5 carat Old European Cut Diamond K/VS2 GIA Antique 5.00ct K VS2 Old European Cut Diamond Ring$10
350 Lots AwayMynt AuctionsTiffany & Co. Solitaire Diamond Engagement Ring in Platinum G VS1 0.25 CT$5
2 days LeftMynt AuctionsTiffany & Co. Solitaire Diamond Engagement Ring in Platinum H VVS1 1.34 CTW$5