Sold2024Midcentury Platinum Diamond Engagement Ring SettingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.05ctw. MEASUREMENTS: Ring size 5, center will fit approx. 8.5mm stone. TESTED: Plat. WEIGHT: 4.1 grams.Gemstones have not been graded for color and clariSee Sold Price
Sold2023Midcentury Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5.75, center will fit approx. 10.7mm stone. GEMSTONES: Setting diamonds. TESTED: Plat. WEIGHT: 4.1 grams.Gemstones have not been graded for color and clarity ,See Sold Price
Sold2022Midcentury Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5.5, center will fit approx. 8 x 8mm stone. GEMSTONES: Diamonds approx. 0.06ctw. MARKED: 10% irid. plat. WEIGHT: 4.9 grams.Gemstones have not been graded for cSee Sold Price
Sold2022Midcentury Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size 5.5, center will fit approx. 5.3mm stone. GEMSTONES: Side diamonds. MARKED: I30 irid. plat. WEIGHT: 3.5 grams.Gemstones have not been graded for color and clarSee Sold Price
Sold2022Midcentury Platinum Diamond Engagement Wedding Ring SetMETAL: Platinum. MEASUREMENTS: Ring sizes - 5.5 (band) and 6 (engagement). Center of the engagement will fit approx. 6mm stone. GEMSTONES: Diamonds approx. 0.26ctw (one is missing). MARKED: 10% irid.See Sold Price
Sold2022Midcentury Platinum Diamond Engagement Wedding Ring SetMETAL: Platinum. MEASUREMENTS: Ring sizes - 6 (engagement) , wedding band is bent - size approx. 6.25. Center will fit approx. 6.3 x 6.3mm stone. GEMSTONES: Diamonds in the band. WEIGHT: 7.2 grams.GemSee Sold Price
Sold2016Mid Century Platinum Diamond Engagement Ring MountingMounting features approx. 0.26ctw of diamonds. Center will fit approx. 8.5mm round stone. One prong is bent. Ring size 7.75. Tested platinum. Weight - 7.7 grams. Gemstones have not been graded for colSee Sold Price
Sold2021Mid Century Platinum Diamond Engagement Ring SettingMETAL: Platinum. MEASUREMENTS: Ring size - 6, ring top is 14.5mm in diameter. Center will fit approx. 9.5mm stone. GEMSTONES: Diamonds approx. 0.40ctw. TESTED: Plat. WEIGHT: 7 grams.Gemstones have notSee Sold Price
Sold2016Mid Century Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: diamonds approx. 0.50ctw. MEASUREMENTS: ring size-5, mounting will fit approx. 9mm round stone. Ring top is 14.5mm. TESTED: Platinum. WEIGHT: 7.9 grams. Gemstones have notSee Sold Price
Sold2024Mid Century Platinum Diamond Engagement RingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.60ctw. MEASUREMENTS: Ring size 4, top is 11mm. TESTED: Plat. WEIGHT: 6.1 grams.Gemstones have not been graded for color and clarity, and tested for clariSee Sold Price
Sold2021Mid Century Platinum Diamond Engagement Ring Lot of 2METAL: Platinum. GEMSTONES: Diamonds approx. 0.21ctw. MEASUREMENTS: Ring sizes are 6 and 4 3/4. MARKED/TESTED: 10%Irid, Platinum/ Plat. WEIGHT: 6.3 grams.Gemstones have not been graded for color and cSee Sold Price
Sold2022Midcentury Platinum Engagement Diamond Ring SettingMetal : Platinum Designer : Not Signed Gemstone : Diamonds approx. 0.40ctw (one is missing) Measurements : Ring size 6.75, top is 11.5 x 11.5mm, center will fit approx. 5mm stone Marked: : PSee Sold Price
Sold2023Vintage Platinum diamond and sapphire engagement ringTitle: Vintage Platinum diamond and sapphire engagement ring Additional Information: Vintage from the 1950s Size: 4 3/4 US Materials: Platinum Gemstone: Sapphire Style: Mid-century Description AdorablSee Sold Price
Sold2018TIFFANY & CO PLATINUM DIAMOND ENGAGEMENT RINGINCLUDES TIFFANY & CO LETTER OF AUTHENTICITY SEE CERTIFICATE FOR DETAILS * (estimate/approximately)See Sold Price
Sold2022Platinum & Diamond Engagement Ring - 2.29 cttwEmerald cut diamond center stone (8.2mm x 6.5mm x 4.3mm) accented by tapered baguette cut diamonds on either side of center stone. Diamonds approximately 2.29 cttw, F color, VVS2 clarity. Unsigned, stSee Sold Price
Sold2022Platinum & 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
Sold2022Platinum & Diamond Engagement RingAn Art Deco style Platinum & Diamond engagement ring. Consisting of 1 center emerald cut diamond measuring 7.1 x 7.3 mm, approximately 2.25 cttw, with estimated F/G color and VS1 clarity, flanked by tSee 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
Sold2022PLATINUM DIAMOND ENGAGEMENT RING, 2.75CT1983 appraisal states: "Set with one round brilliant cut diamond approx. weight 2.75 carats / Clarity: very slightly included; VS-1 / Color: faint yellow; L-M / two keystone cut diamonds @ approx. .12See 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
Sold2020PLATINUM & 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
Sold2022Vintage Platinum Diamond Engagement RingVintage Platinum Diamond Engagement Ring 1.76 ctw round cut diamond center stone (8.2mm x 4.3mm, I color, SI2 clarity) accented by two straight cut baguettes (2 @ 4.5mm x 1.6mm, H color, VS2 clarity).See Sold Price
Sold2022Tiffany 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
Sold2021PLATINUM DIAMOND ENGAGEMENT RING, 2.25CTset with an emerald cut diamond approx. 2.25 carats, 9.1x6.3x4.4mm (in our opinion: I-J color, SI2-I1 clarity - mainly 2 moderate knot inclusions, however not guaranteed), flanked by 2 (10pt) diamondSee Sold Price
Aug 11Modern Jewelry1.27-ct F VS2 GIA Diamond1.27-ct F VS2 GIA Diamond Platinum Solitaire RING Estate Jewelry Platinum$14,500
2 days LeftKotler Galleries & AuctioneersTIFFANY PLATINUM HARMONY ROUND BRILLIANT DIAMOND ENGAGEMENT RING An Outstanding Tiffany & Co$1,000
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