Sold2022Four Diamond, Platinum, White Gold Ring Semi-Mountings.Collection of Four Vintage Diamond, Platinum, 14k White Gold Ring Semi-Mountings. Including one 5 mm head, diamond, platinum ring semi-mounting, size 5; one 3 mm head, diamond, 14k white gold ring semSee Sold Price
Sold2019Art Deco Platinum Diamonds Semi Mounting RingPeriod: Art Deco (1920-1935) Composition: Platinum The center can hold a stone from 0.80ctw to 0.95ctw • 2 old European cut diamonds of H-VS2 quality that weigh 0.25ctw Ring size: 6 Ring face diametSee Sold Price
Sold2016Platinum Semi-Mounting Mixed Diamond Engagement RingOne stamped & tested platinum ladies combination cast & assembled diamond semi-mounting with a bright polish finish. Identified with markings of "PLATINUM". Condition is very good. Containing: Four chSee Sold Price
Sold2023Art Deco Diamond, Platinum Ring MountingArt Deco Diamond, Platinum Ring MountingHighlighted by six Old European-cut diamonds weighing a total of approximately 0.48 cttw., set in a pierced platinum ring mounting, size 3 1/4. Gross weight: 5.See Sold Price
20242.50 TCW E VS Diamond Engagement Ring Semi Mounting 14K 11mm2.50 TCW E VS Diamond Engagement Ring Semi Mounting 14K 11mm Item Specifics: Brand: Unbranded Clarity: VS1 Cut: Excellent Diamond Color: E Fancy Diamond Color: White Main Stone: Diamond <See Sold Price
Sold2016Diamond and platinum semi-mountingDiamond and platinum semi-mounting featuring (2) full cut diamonds, set in a foliate motif platinum semi-mounting, crown can fit an approximate 6.5 mm gem, size 6 1/2, gross weight 7.91 gramsSee Sold Price
Sold2016Diamond and platinum semi-mountingDiamond and platinum semi-mountingfeaturing (2) straight baguette-cut diamonds, weighing a total of approximately 0.08 ct., set in a platinum semi-mounting, crown can fit an approximate 6.5 mm gem, siSee Sold Price
Sold2021A Diamond & Platinum Ring.A Diamond & Platinum Ring. Openwork mounting centers on a bezel set round diamond surrounded by ten round diamonds Size: 3 1/2 Wt: 3.7 gramsSee Sold Price
Sold2017Platinum Diamond Ring Mounting Loose GIA 8.10ct OvalMETAL: platinum. GEMSTONES: diamonds-approx. 2.20-2.30ctw. Oval modified brilliant cut sapphire-8.10ct, measurements-14.06mm x 11.12mm x 6.44mm. Stone is chipped on girdle. Original GIA Report #518106See Sold Price
Sold2016Mid Century Platinum Diamond Ring MountingMETAL: platinum. GEMSTONES: diamonds-approx.1.50ctw. MEASUREMENTS: ring size 5.25. Ring top is 21mm in diameter. Ring center will fit approx. 6.7mm round stone. TESTED: platinum. WEIGHT: 9.7 grams. GeSee Sold Price
Sold2016Edwardian Platinum Diamond Ring MountingDomestic: Free Shipping Item: Edwardian Handmade Estate Platinum Diamond Ring Mounting 42 brilliant cut diamonds, 0.60 ctw Color/Clarity: H color, SI clarity Ring Size: 7.25 Ring Weight: 4.2 gramsSee Sold Price
Sold20161950s Platinum Diamond Ring Mounting SettingMETAL: platinum. MEASUREMENTS: ring size 8 (shank is bent and not perfectly round) ring top measures 18mm x 15mm, center stone will fit approx. 9mm in diameter stone. GEMSTONES: baguette diamonds .MARSee Sold Price
Sold2021Mid Century Platinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Two baguette diamonds (one damaged/chipped). Center of the ring fit approx. 11mm x 10mm stone. MEASUREMENTS: Ring size 5 3/4, ring top is 11.5mm wide. TESTED: Plat. WEIGHT:See Sold Price
Sold2024Midcentury Platinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.00ctw. MEASUREMENTS: Ring size 8 1/4, top is 14.1mm. Center will fit approx. 8mm stone. TESTED: Plat. WEIGHT: 7.2 grams.Gemstones have not been graded foSee Sold Price
Sold2018Art Deco Filigree Platinum Diamond Ring MountingMETAL: platinum. GEMSTONES: rose cut diamonds. MEASUREMENTS: ring size 8.5. Ring center will keep approx. 8mm stone. TESTED: platinum. WEIGHT: 4.8 grams. Gemstones have not been graded for color and cSee Sold Price
Sold2024Mid Century Platinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.50ctw. MEASUREMENTS: Ring size 3 3/4, center will fit approx. 10mm in diameter stone. TESTED: Plat. WEIGHT: 5.9 grams.Gemstones have not been graded forSee Sold Price
Sold2017Antique Platinum Diamond Ring MountingMETAL: platinum. GEMSTONES: diamonds. MEASUREMENTS: ring size 6.75. Ring top is 14.5mm in diameter. Center of the ring will keep approx. 10mm round stone. Ring has sign MARINA in Gothic letters. TESTESee Sold Price
Sold2018Platinum Diamond Ring MountingMETAL: platinum. GEMSTONES: diamonds-approx. 0.45ctw. MEASUREMENTS: ring size 6.25. Ring top is 16.5mm at widest point. center will fit to approx. 17mm stone. MARKED: Pt900 7.60 0.45. WEIGHT: 8.6 gramSee Sold Price
Sold2017Platinum Diamond Ring MountingMETAL: platinum. GEMSTONES: diamonds. MEASUREMENTS: Ring is a size 6, center will fit approximately 10.7mm X 7.5mm stone. MARKED: tested plat. WEIGHT: 4.7 grams. Gemstones have not been graded for colSee Sold Price
Sold2019Platinum Diamond Ring MountingMetal Content: Platinum.Weight of Item: 7.7 grams.Size: Ring size 8.75, top - 15mm x 15mm. Center designed to fit oval stone 10.5mm x 8mm.Gemstone: Diamonds.Carat Weight: 0.51ctw.Stamp: pt900, 051, 32See Sold Price
Sold2022Deco Platinum Diamond Ring MountingDeco platinum diamond ring mounting. The antique mounting is missing the center stone, and the opening measures 8.9mm. The mounting is set with 0.50 cttw. (G-H SI) old European cut diamonds and adorneSee Sold Price
Sold2020Platinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Side diamonds approx. 0.36ctw. Center of the ring will keep approx. 8mm to 13mm stone. MEASUREMENTS: Ring size 5 1/2, ring top is 12.8mm wide. TESTED: Platinum. WEIGHT: 4.7See Sold Price
Sold2020Tacori Platinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.44 ctw (one is missing). Center of the ring will keep approx. 6mm x 5.5mm stone. MEASUREMENTS: Ring size 3 3/4, ring top is 8.2mm wide. MARKED: Tacori, PSee Sold Price
Sold2022Mid Century Platinum Diamond Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.65ctw. Center of the ring will keep approx. 9mm in diameter stone. Prongs are missing. MEASUREMENTS: Ring size 5 1/2, ring top is 14mm wide. TESTED: PlatSee Sold Price
4 days LeftBidhausDiamond Princess Wedding Set Semi-mounting In Platinum 1.00ct Princess Cut Head With 0.45ctw Size 7$10
5 days LeftJasper52Round Side Diamond Platinum Engagement Ring Setting Mounting, .40 CTW, 3.99 Gram$700
Oct 27Modern Jewelry0.18 Carat Sapphire 0.10 Carat Old European Cut Diamond Platinum Semi Mount Ring$1,725
Oct 27Modern Jewelry&rew Clunn 0.40 Carat Round Brilliant Sapphire 0.06 Carat Round Brilliant G V...$1,600
Oct 27Modern JewelryVan Cleef & Arpels 0.15 Carat Tapered Baguette Diamond Platinum Semi Mount Ring$1,725
Oct 27Modern Jewelry0.78 Carat Trapezoid Shape-Trapezoid Shape F-E VS2 Diamond Platinum Semi Moun...$3,850
Oct 27Modern JewelryHARRY WINSTON 0.70 Carat Tapered Baguette Shape Diamond Platinum Semi Mount Ring$5,100