GIA Certified 2.41ct natural cushion cut baguettes diamond ring platinum E/Vs2Chairish Auctions4.5(10.3k)$5,500
1.33ct vintage class old mine cut natural diamond engagement ring platinum+Chairish Auctions4.5(10.3k)$3,000
GIA CERTIFIED 1.26CT J/SI ROUND BRILLIANT DIAMOND BEAD SET PLATINUM 18KT RING**Chairish Auctions4.5(10.3k)$4,600
Antique Old European Diamond Engagement Ring in 14k White GoldEric's Estate & Jewelry4.6(528)$2,0504 hrs Left
Vintage 14K White Gold Engagement Ring With 0.50 Ct Diamond CenterDiamond Depot4.3(10)$5206 days Left
Round Brilliant Diamond Engagement Ring in 14K White GoldEric's Estate & Jewelry4.6(528)$1,0754 hrs Left
Platinum Diamond Ring 0.90 Ct Center H VVS1 with 0.30 Ct Side DiamondsBidhaus4.2(837)$100Feb 12, 2026
Vintage Diamond Solitaire Engagement Ring in 14k Yellow GoldEric's Estate & Jewelry4.6(528)$8004 hrs Left
Antique Old European Diamond Engagement Ring in 14k White GoldEric's Estate & Jewelry4.6(528)$2,0501 day Left
SoldPLATINUM DIAMOND ENGAGEMENT RING, 1.90CTset with a round brilliant cut diamond approx. 1.92 carats (in our opinion: H color, I1 clarity, however not guaranteed), diamond with a couple scant and minor girdle chips, flanked by 2 tapered bagueSee Sold Price
SoldTIFFANY & CO PLATINUM DIAMOND ENGAGEMENT RINGINCLUDES TIFFANY & CO LETTER OF AUTHENTICITY SEE CERTIFICATE FOR DETAILS * (estimate/approximately)See Sold Price
SoldPlatinum & Diamond Engagement RingPlatinum ring featuring a centered prong set emerald cut diamond weighing 2.80 carats, I color and VS2 clarity, accompanied by GIA Diamond Grading Report # 5221447230, dated May 10, 2022, the shank shSee Sold Price
SoldLadies Platinum Diamond Engagement Ring 2.4 Carats. GIA Certified 2.4 carats G VS1 Size 5 8.4 gramsLadies Platinum Diamond Engagement Ring 2.4 Carats. GIA Certified 2.4 carats G VS1 Size 5 8.4 grams with 2 diamond baguette accents.See Sold Price
SoldLadies 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
TACORI 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
SoldPLATINUM & DIAMOND ENGAGEMENT RING, 2.00CTPLATINUM & DIAMOND ENGAGEMENT RING, 2.00CT set with a round diamond approx. 2.00 carats / 8.18x4.66mm (in our opinion: G-H color, VS2-SI1 clarity, however not guaranteed), flanked by 2 baguettes, testSee Sold Price
SoldTiffany Platinum Diamond Engagement RingTiffany Platinum Diamond Engagement Ring, center a 6.93 x 5.27 mm emerald cut stone, about 1.0-1.1 carat, flanked by 2 tapered baguettes, about 10 pts ea, stamped "Tiffany & Co, Pt 950", 2.9 dwt, withSee Sold Price
SoldPlatinum Diamond Engagement RingLot 28 Platinum Diamond Engagement Ring platinum diamond engagement ring featuring a 2.08ct circular brilliant diamond center stone, SI1-SI2 clarity and 0.13ctw of single cut diamond accents, ring siSee Sold Price
SoldPlatinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 8.3mm x 7.5mm and 8.3mm x 7.5mm (depth unable to measure due to the way the stones are set). Center of the ring will keep approx. 13mm x 11mm stone. MEASURSee Sold Price
CARTIER Platinum Diamond Engagement RingCARTIER Platinum Weight 4.55g Diamond Approx. 0.57ct VVS F-G Engagement Ring size Measurements 0.23Óx0.77ÊSee Sold Price
SoldVINTAGE PLATINUM DIAMOND ENGAGEMENT RING & DIAMOND BANDPLATINUM DIAMOND ENGAGEMENT RING AND DIAMOND Wedding BAND SET, 1.3 CT (TCW) ROUND BRILLIANT CUT DIAMONDS AND BAGUETTE. SIDE STONE F-G COLOR VS CLARITY AND CENTER STONE F-G COLOR SI CLARITYSee Sold Price
SoldPlatinum Diamond Engagement RingPlatinum 8.9g Diamond Approx. 2.17ct Engagement Ring Size 7.5 Measurements 0.5”x0.78”See Sold Price
Sold"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
SoldArt Deco Platinum Diamond Engagement RingArt Deco Platinum Weight 3.7gr Diamond 1.10ct VS2 H 0.35ct Shoulders Measurements 0.35”x0.8” Engagement RingSee Sold Price
SoldVintage Platinum Diamond Engagement Ring.A vintage Platinum Diamond Engagement Ring size 4, Old European Cut Diamond approx. 7.3mm x 7.4mm x 4.5mm (approx. 1.66cts by calculation), eight round accent diamonds approx. .10cttw., tested platinuSee Sold Price
SoldTiffany and Co. Platinum Diamond Engagement RingTiffany and Co. Platinum Diamond Engagement Ring Tiffany and Co platinum diamond solitaire ring with prong set round brilliant cut diamond weighing .69cts, G color and VS clarity. Comes with orSee Sold Price
SoldPlatinum & Diamond Engagement Ring 1.625 CaratsPlatinum and diamond engagement ring. 1.25 carat center stone, with 4 side diamonds, approximately .375 carats total. Band stamped 10% Ird Plat. inside. Ring size 6. 5.25 grams total including stones.See Sold Price
PLATINUM & DIAMOND ENGAGEMENT RING, 1.15CTset with a round diamond approx. 1.15 carats, (6.84x3.96mm), in our opinion, I-J color, SI1-2 clarity (appearing to be a cluster of white pinpoint crystals at center of diamond, else nice and clean),See Sold Price
SoldVan Cleef & Arpels Platinum Diamond Engagement RingMetal : Platinum Designer : Van Cleef & Arpels Gemstone : Diamonds - center approx. 0.33ct E/VVS1. Measurements : Ring size 5, top is 7.5mm in diameter. Marked: : VCA, pt950, JX045****. ESee Sold Price
SoldTiffany & Co. Platinum Diamond Engagement RingMETAL: platinum. GEMSTONES: diamond-0.62ct, measurements 5.46 x 5.47 x3.34mm, VS2, F. Original Tiffany & Co. Diamond certificate #31305578/O03010707. MEASUREMENTS: Ring size 6. MARKED: Tiffany &amSee Sold Price
SoldArt Deco Platinum Diamond Engagement RingRing size - 6 1/2, ring top is 11.6mm wide. center old european cut diamond - approx. 0.90ct SI1/I. Side diamonds - approx. 0.40ctw. Tested plat. Shank was replaced. Weight - 7.7 grams.Gemstones haveSee Sold Price
SoldPLATINUM & DIAMOND ENGAGEMENT RING, WITH GIAGIA report stating "round brilliant diamond, weight 0.96 carat, measurements 6.47-6.50x3.75mm, clarity I1, color F", flanked by 2 tapered baguettes approx. 0.24ctw, stamped '10% Irid. Plat.', size 6,See Sold Price
SoldPLATINUM DIAMOND ENGAGEMENT RING, 1.15CTin square form setting featuring an oval diamond approx. 1.15 carats (in our opinion: K-L color, I2 clarity, however not guaranteed), accented with 18 round diamonds approx. 0.46 carats, stamped Plat,See Sold Price
