Sold2017Platinum Engagement Ring Mounting Lot of 2METAL: platinum. MEASUREMENTS: ring size 6.25. Center of the ring will keep approx. 7.5mm round stone. Ring size 6.25. Center of the ring will keep approx. 10mm round stone. TESTED: platinum. WEIGHT:See Sold Price
Sold2016Scott Kay Platinum Engagement Ring MountingMETAL: platinum. MEASUREMENTS: ring size 5.5. Band is 8.2mm at widest point. Center of the ring will keep stone approx. 5.5mm x 7mm. MARKED: Scott Kay Plat. WEIGHT: 13.9 grams. Gemstones have not beenSee Sold Price
Sold2022Platinum Engagement Ring MountingMETAL: Platinum. MEASUREMENTS: Ring size 6 1/4, ring top is 12mm wide. Center of the ring will keep approx. 10mm in diameter stone. TESTED: Plat. WEIGHT: 5.2 grams.Gemstones have not been graded for cSee Sold Price
Sold2017Antique Platinum Engagement Ring MountingMETAL: platinum. MEASUREMENTS: ring size 5.75. Ring center will keep approx. 10.5mm round stone. TESTED: platinum. WEIGHT: 4.3 grams.Gemstones have not been graded for color and clarity ,and tested foSee Sold Price
Sold2016A Platinum Engagement Ring Mounting.A Platinum Engagement Ring Mounting. Size: 7.75 Wt: 4.1 gramsSee Sold Price
Sold2023Platinum Engagement Ring MountingMETAL: Platinum. MEASUREMENTS: Ring size 4 3/4, center will fit approx. 6.5-7mm stone. TESTED: Plat. WEIGHT: 4.4 grams.Gemstones have not been graded for color and clarity ,and tested for clarity andSee Sold Price
Sold2023Blue Nile Platinum Engagement Ring MountingMETAL: Platinum. MEASUREMENTS: Ring size 5 3/4, center will fit approx. 10x7.5mm stone. MARKED: Maker's Logo mark, Plat. WEIGHT: 4.1 grams.Gemstones have not been graded for color and clarity ,andSee Sold Price
Sold2023Platinum Engagement Ring MountingMETAL: Platinum. MEASUREMENTS: Ring size 4, center will fit approx. 7.5mm stone. MARKED: PT950. WEIGHT: 3.5 grams. Gemstones have not been graded for color and clarity ,and tested for clarity and coloSee Sold Price
Sold2016Platinum 14K Diamond Engagement Ring Mounting and Band14K Gold wedding band and platinum engagement ring mounting feature approx. 0.60ctw baguette diamonds. Engagement Ring mounting will fit approx. 8mm stone. Engagement ring marked 10% IRID Plat, weddinSee Sold Price
Sold2017An Assortment of Lady's Diamond & Gemstone Rings1) Platinum engagement ring mounting with side diamonds, center stone has been removed with matching platinum diamond wedding band, sz 4.5, 2) 14K yellow gold diamond solitaire engagement ring, approxSee Sold Price
Sold2019Platinum 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
Sold2019Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx 0.60-0.70ctw. Center of the ring will keep approx. - 6.2mm x 5mm stone. MEASUREMENTS: Ring size 5 3/4, ring top is 8mm at widest point. MARKED: Plat. WEIGHTSee Sold Price
Sold2023Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.00ctw. Center of the ring will keep approx. 9.5mm x 8mm stone. MEASUREMENTS: Ring size 6 1/2, ring top is 12.5mm wide (ring shank is split). MARKED: PlatSee Sold Price
Sold2017Art Deco Platinum Diamond Engagement Ring MountingMETAL: platinum. MEASUREMENTS: ring size - 5 1/2, ring top is 12.7mm wide at widest point. Center will fit approx. 8.6mm stone. GEMSTONES: side diamonds. TESTED: plat. WEIGHT:4.5 grams.Gemstones haveSee Sold Price
Sold2016Michael B. Platinum Diamond Engagement Ring MountingRing features approx. 225 diamonds in the eternity shank. Center will fit approx. 8.5mm round stone or 6mm x 6mm square. Ring size 7.5. Band measures 5mm wide. Marked Michael B., 06, PT90%. Weight - 1See Sold Price
Sold2017Platinum Diamond Engagement Ring MountingMETAL: platinum. MEASUREMENTS: ring size - 6 3/4, center will fit approx. 7.5mm x 7mm. GEMSTONES: two side pear shape diamonds - approx. 0.50ctw. MARKED: irid. plat. WEIGHT: 4.6 grams.Gemstones have nSee Sold Price
Sold2023Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.00ctw. MEASUREMENTS: Ring size 5 1/2, center will fit approx. 9.5mm x 8.5mm stone (prongs are missing). MARKED: PT. WEIGHT: 18.4 grams.Gemstones have notSee Sold Price
Sold2023Blue Nile Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds 1.14ctw VS2-H. MEASUREMENTS: Ring size 6 1/4, center will fit approx. 4.50ct stone. MARKED: Maker's logo mark, PT950, 79204. WEIGHT: 11.9 grams. Comes with copSee Sold Price
Sold2017Art Deco Platinum Diamond Engagement Ring MountingMETAL: PLATINUM. GEMSTONES: diamonds.MEASUREMENTS: ring size 8.75. Ring center will keep approx. 8.5mm stone. TESTED: platinum. WEIGHT: 3.6 grams. Gemstones have not been graded for color and claritySee Sold Price
Sold2022Platinum Diamond Engagement Ring MountingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.00ctw. Center of the ring will keep approx. 8mm in diameter stone. MEASUREMENTS: Ring size 5 1/2, ring band is 4.2mm. MARKED: Plat. WEIGHT: 9.8 grams.GemSee Sold Price
Sold2017Platinum Diamond Engagement Ring MountingMETAL: platinum. GEMSTONES: approx. 79 diamonds. MEASUREMENTS: ring size 7.75. Band is 10.3mm in widest point. Center of the ring will keep approx. 8mm x8mm stone. TESTED: platinum. WEIGHT: 11.2 gramsSee 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
Sold2017Platinum Diamond Engagement Ring MountingMETAL: platinum. GEMSTONES: diamonds.MEASUREMENTS: ring size 5.5. Ring center will keep approx. 4.5mm x 5.5mm stone. MARKED: QUAD, Plat 27740, 2.10. WEIGHT: 9.5 grams. Gemstones have not been graded fSee Sold Price
Sold2016Antique Platinum Diamond Engagement Ring MountingRing size 6 3/4 (shank is slightly bent) top of the ring is 11mm in diameter, center will fit approx. 7.4mm stone., surrounded with 32 diamonds. Tested plat. Weight - 6.1 grams.Gemstones have not beenSee Sold Price
Jun 23Modern JewelryCARTIER 0.28 Carat Baguette Shape H VS2 Diamond Platinum Semi Mounting Ring$2,750
May 31Miami Auctions & Appraisals LLC Vintage GIA 1.42 Carat Diamond Platinum Vintage Deco Engagement Ring$9,000
May 31Miami Auctions & Appraisals LLC Kashmir Vintage Sapphire Diamond Platinum Three Stone Ring$40,250
1 day LeftKotler Galleries & AuctioneersART DECO 1.70CT DIAMOND PLATINUM ENGAGEMENT RING c 1925 A finely crafted C1925 Art Deco Platinum$8,000
Jun 02Tremont AuctionsDiamond and platinum engagement ring. Center stone approx 5.4mm diameter, approx 0.60 ct. Good$350
May 31Miami Auctions & Appraisals LLC Vintage 1.61cts European Cut Diamond Sapphire Platinum Engagement Ring$9,700