Round Solitaire Diamond Platinum Cathedral Engagement Ring, .70 CT, 5.90 GramsChairish Auctions4.5(10.3k)$1,100
1.14 CARAT OLD EUROPEAN CUT AND BAGUETTE DIAMOND PLATINUM ENGAGEMENT RINGModern Jewelry4.5(204)$5,300Mar 03, 2026
Ring Platinum, Platinum Ring with 1.35 Carat Old European Diamond and Antique Cut Accents - 1.35ct.Eastern European Art Gallery Inc$5003 days Left
0.60 CARAT OLD EUROPEAN CUT I SI1 DIAMOND PLATINUM ENGAGEMENT RINGModern Jewelry4.5(204)$3,200Mar 03, 2026
Vintage Platinum Diamond Solitaire Engagement Ring 0.69ct with Old-European CutMynt Auctions4.4(823)$100Feb 12, 2026
SoldVintage diamond and platinum solitaire ringcentering an old European-cut diamond, measuring approximately 9.05 x 9.1 x 5.7mm, weighing an estimated 2.95cts., K-L color/VS-SI clarity, accented by 4 round brilliant and baguette-cut diamonds weigSee Sold Price
SoldDiamond Platinum Vintage Solitaire Engagement RingDiamond platinum vintage solitaire engagement ring, 2.7 dwt, stamped: IrridPlat/Engraved, .90ct approx. VS/KLM, finger size: shy 6See Sold Price
Sold5.20ct Rose Cut Diamond and Platinum Vintage Ring5.20ct Rose Cut Diamond and Platinum Vintage Solitaire Ring - This item will come with a $90,000 insurance valuation report in the winning bidder's name by a graduate appraiser. A striking vintage solSee Sold Price
SoldVINTAGE PLATINUM 4.00 ct DIAMOND SOLITAIRE RING (LABPLATINUM 4.20 ct DIAMOND ENGAGEMENT RING (LAB CERTIFIED) ITEM SPECIFICS MATERIAL: PLATINUM PRIMARY STONE: 4.20 CARAT ROUND BRILLIANT DIAMOND MEASUREMENTS: 10.50MM-10.55MM X 6.20MM QUALITY: VS1, NEAR CSee Sold Price
SoldVintage Platinum Diamond RingPlatinum ring with old European cut diamond weighing approx. .60 ct, diamond solitaire ring with slight color, small diamonds set on shoulders. size 6.75, 1.30 DWTSee Sold Price
Vintage Platinum Diamond RingPlatinum ring with old European cut diamond weighing approx. .60 ct, diamond solitaire ring with slight color, small diamonds set on shoulders. size 6.75, 1.30 DWTSee Sold Price
SoldLadies Platinum Diamond Solitaire RingSize 7, with full-cut round side diamonds, Center stone Approximately .45 CT. Nice clear diamond, no visible inclusions. total weight: 1.7 dwt. Keywords: Estate, Vintage, Engagement, WeddingSee Sold Price
SoldVintage Tiffany & Co 18kt Diamond Engagement RingTiffany & Co. 18 kt Yellow Gold & Platinum Diamond Engagement Ring - Vintage Signed - VS1 / G Round Brilliant A timeless and authentic Tiffany & Co. solitaire engagement ring, crafted from solid 18 ktSee Sold Price
SoldVintage Platinum Filigree Diamond RingVintage Platinum Filigree Diamond Ring .50 CTW Solitaire. Color G. Clarity VS. Gross weight 4.2 Grams Ring size 4.5See Sold Price
SoldDiamond Estate Vintage Ring14K platinum-mounted round brilliant colorless diamond solitaire ring flanked by two tapered side baguettes approx .40 ctw. Very good color, clarity, scintilation and cut. Marked 14K and 548801 cert.See Sold Price
SoldVintage Platinum & Solitaire Engagement RingA gorgeous platinum ring with an 1/2ct. round brilliant cut natural white diamond in a square setting and is flanked by three round brilliant cut natural white diamonds on either side. Ring is markedSee Sold Price
SoldDiamond Estate Vintage RingFine 14K platinum mounted approx 1 ctw (6 mm diameter) round colorless range diamond solitaire ring with good clarity, color, cut and scintillation. Marked Plat 14K and Brock. Total weight 2.1. EngageSee Sold Price
SoldVintage Platinum & Solitaire Engagement RingA gorgeous platinum ring with approx. 1/2ct. round brilliant cut natural white diamond, approx. SI clarity, approx. G color, in a square setting. Diamond is flanked by three round brilliant cut naturaSee Sold Price
SoldVintage Platinum Diamond Ring w/SapphiresUnmarked Platinum ring with old European cut diamond approx. 5mm solitaire with slight color, small sapphires per test set on shoulders. ring size approx 6.75. Has a hairline crack in metal on side ofSee Sold Price
SoldVintage 1.00ct Diamond & Ruby 14k Yellow Gold CobraThis beautiful ring is crafted from 14k yellow gold with a textured finish. It features a cobra snake with a large hood set with a solitaire 60 points diamond at the top of its head. The eyes and moutSee Sold Price
Sold2 14K Gold & Diamond RingsIncludes vintage setting marked 14k-18k with approximately .15 carat round brilliant cut diamond, size 5-1/2. And marked 14k Tiffany style solitaire setting, platinum prong top set with approximatelySee Sold Price
Sold1.36ct Old Mine Cut Diamond Solitaire 14k Yellow GoldThis is a gorgeous vintage ring, it is crafted from 14k yellow gold featuring a intricate fine wire design formed into a starburst flower with a sparkling 1.36 carat diamond mounted in the center. TheSee Sold Price
SoldArt Deco Diamond Platinum Solitaire Ring, 5.26 CaratLovely Art Deco diamond solitaire ring that features a 5.26-carat Old European cut diamond in a beautiful platinum setting. The diamond is O-P color, VS2 clarity. It is flanked by an old European cutSee Sold Price
SoldVintage Diamond, Platinum RingVintage Diamond, Platinum RingCentering one transitional-cut diamond weighing approximately 4.16 cts., accented by ten single-cut diamonds weighing a total of approximately 0.15 cttw., set in a platinSee Sold Price
Sold2.38 CTS PEAR SHAPED DIAMOND PLATINUM SOLITAIRE RINGGIA report #1176352714 describes G, SI1, OEC pear shaped diamond and tapered baguette cut diamond shoulders, approx. .20 ct. TW. Size 6 1/2. 2.9 dwt.See Sold Price
SoldVintage Diamond, Platinum Ring.Vintage Diamond, Platinum Ring. Featuring one old European-cut diamond weighing approximately 1.58 ct., accented by eight single-cut diamonds weighing a total of approximately 0.10 cttw., set in a plaSee Sold Price
Sold14K White Gold Vintage Diamond Solitaire RingRound cut diamond approx. 1.10 ctw, near colorless, VS clarity grade, mounted in Tiffany style head, size 6.25, 2 DWT.See Sold Price
SoldMichael Bondanza Diamond & Platinum Solitaire RingMichael Bondanza diamond and platinum solitaire / engagement ring, prong set with a square emerald cut Asscher-style diamond, 1.14 carats, mounted in platinum, marked on the interior of the shank withSee Sold Price
SoldDiamond Platinum Solitaire Ringplatinum 10% iridium, signed FFF, large near colorless central diamond (approx 0.70ct) with side diamonds. Ring size 8.5, approx 4.4gSee Sold Price
