Sold2022A 1.01 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamondA 1.01 CARAT SOLITAIRE DIAMOND ENGAGEMENT RING in platinum, set with a round brilliant cut diamond of 1.01 carats, the band half set with further round brilliant cut diamonds, partial British hallmarkSee Sold Price
Sold2023Oval Natural Ruby Half Moon Diamond Platinum RingOval Natural Ruby Half Moon Diamond Platinum RingSee Sold Price
Sold2024Baguette Diamond Platinum Engagement Ring BandBaguette Diamond Platinum Three Stone Engagement Eternity Wedding Band Ring Features Three Baguette Cut Diamonds Bar Set to the Front Pierced Profile 1950's Hallmarked for Platinum Ring Size: 6 SizablSee Sold Price
Sold2016ANTIQUE DIAMOND & PLATINUM ENGAGEMENT RINGS & BANDSComprising an engagement ring set with an OEC diamond, weighing approx. .50 ct., set to single-cut diamond shoulders, and engraved platinum hoop, melee approx. .09 ct. TW; Three single-cut or RBC diamSee Sold Price
Sold2021Platinum Diamond Engagement Ring BandPlatinum diamond engagement ring band having five brilliant round diamonds (color range: G-H, clarity:VS1, approx. 0.73 CTW). Ring size 6 1/2. Stamped Pt950 DMP. Approx. gross weight 4.26 grams.See Sold Price
Sold2021Mid Century Platinum Diamond Half Band RingMid century platinum half band ring, with approx. 0.70ctw in diamonds. Ring size - 6.25, ring is 4mm wide. Marked M. Weight - 3 grams.See Sold Price
Sold2020Antique 18K Gold Platinum Diamond Half Band RingMETAL: 18k Gold. GEMSTONES: Old mine diamonds 4 stones - approx. 0.80-0.90ctw (one stone is missing). MEASUREMENTS: Ring size 10 1/4, ring top is 6.5mm wide. TESTED: 18k. WEIGHT: 6.3 hgrams.GemstonesSee Sold Price
Sold2019Platinum Diamond Half Band RingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.05ctw. MEASUREMENTS: Ring size 5 1/4, ring band is 4.6mm wide. MARKED: Plat. WEIGHT: 7.9 grams.Gemstones have not been graded for color and clarity ,andSee Sold Price
Sold2020Platinum Diamond Half Band RingPlatinum half band ring, with square and round diamonds - approx. 0.75ctw. Ring size - 6, ring is 4mm wide. Marked: Plat. Weight - 5.5 grams.See Sold Price
Sold2017Art Deco Platinum Diamond Engagement Band Ring SettingMETAL: platinum. GEMSTONES: diamonds. MEASUREMENTS: band ring size 5, band is 3.3mm at widest point.Engagement ring size 4.75 ( ring has sizing balls). Ring center will keep approx. 5 x 5mm stone. MARSee Sold Price
Sold2020Platinum Diamond Half Band RingPlatinum half band ring, with square and round diamonds - approx. 0.75ctw. Ring size - 6, ring is 4mm wide. Marked: Plat. Weight - 5.5 grams.See Sold Price
Sold2020Platinum Diamond Half Band RingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.84ctw. MEASUREMENTS: Ring size 4 1/4, ring band is 5mm at widest point. TESTED: Plat. WEIGHT: 5 grams.Gemstones have not been graded for color and claritSee Sold Price
Sold2016Art Deco Platinum Diamond Half Band RingMETAL: platinum. MEASUREMENTS: ring size 5, ring is 2.9mm at widest point. GEMSTONES: 0.20ctw. MARKED: 10% irid platinum. WEIGHT: 2.2 grams.Gemstones have not been graded for color and clarity ,and teSee Sold Price
Sold2017Platinum Diamond Half Band RingMETAL: Platinum. GEMSTONES: Diamonds. MEASUREMENTS: Ring size 5.75, 3mm at widest point. TESTED: Platinum. WEIGHT: 2.7 grams. Gemstones have not been graded for color and clarity, and tested for clariSee Sold Price
Sold2023Platinum Diamond Half Band RingMETAL: Platinum. MEASUREMENTS: Ring size 5, ring is 2.8mm wide. GEMSTONES: Diamonds approx. 0.30ctw. MARKED: 10% irid. plat. WEIGHT: 2.9 grams.Gemstones have not been graded for color and clarity ,andSee Sold Price
Sold2017Art Deco Platinum Diamond Half Band RingMETAL: platinum. MEASUREMENTS: ring size - 4, ring top is 2.5mm wide. GEMSTONES: 10 diamonds. MARKED/TESTED: ,platinum, illegible mark. WEIGHT: 1.6 grams.Gemstones have not been graded for color and cSee Sold Price
Sold2020Platinum Diamond Half Band RingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.14ctw. MEASUREMENTS: Ring size 6 1/4, ring band 2.9mm wide. MARKED: 10%Irid Plat. WEIGHT: 2.9 grams. Gemstones have not been graded for color and claritySee Sold Price
Sold2017Platinum Diamond Half Band RingMETAL: platinum. GEMSTONES: diamonds. MEASUREMENTS: ring size 7.25. Band is 2.8mm at widest point. TESTED: platinum. WEIGHT: 1.8 grams. Gemstones have not been graded for color and clarity ,and testedSee Sold Price
Sold2016Art Deco Platinum Diamond Half Band RingMETAL: platinum. MEASUREMENTS: ring size - 4, ring top is 2.5mm wide. GEMSTONES: 10 diamonds. MARKED: illegible mark. WEIGHT: 1.6 grams.Gemstones have not been graded for color and clarity ,and testedSee Sold Price
Sold2021Platinum 2.50ctw Diamond Half Band RingPlatinum band ring, with half circle of approx. 2.50ctw diamonds. RIng size - 5.25, ring is 10.3mm wide. Marked: PT950. Weight - 17.2 grams.See Sold Price
Sold2016Tiffany Platinum Diamond Engagement Band/RingTiffany Platinum Diamond Engagement Band/Ring. Beautiful band with sleek finish on the metal and top notch round brilliant cut diamond set channel flush setting. Very spectacular piece of jewelrySee Sold Price
Sold2022Platinum Yellow Diamond Ring 3.05 CtOne Platinum Yellow Diamond Ring. Center Total Weight Diamond 3.05 CTS. Cut: Oval. Color: Fancy Yellow. Setting: Total Weight Diamonds: 0.92 CTS. Cut: Half Moon. Color: Near Colorless. Clarity: VS. RiSee Sold Price
Sold2021A diamond and platinum ringA diamond and platinum ringthe rectangular modified brilliant-cut diamond, weighing 1.70 carats, flanked by half moon-cut diamonds, each weighing approximately 0.20 carat; accompanied by GIA report noSee Sold Price
Sold2018ALMOST ANTIQUE GRANAT BROS PLATINUM DIAMOND RINGGranat Brothers, jewelers of San Francisco, wedding band or engagement ring. Hallmarked "Granat", "Platinum/iridium" and inscribed w/ 1935. Cut shank. Ring size 9. Weighs 2.7g. U.S. SHIPPING $15 + INSSee Sold Price
3 days LeftAustin Auction Gallery(2) ESTATE 0.75CT OEC DIAMOND SOLITAIRE RING & PLATINUM WEDDING BAND$300
21 hrs LeftPapps Family LiquidationEternity Diamond Engagement Ring and Band Set Platinum 1.90 ctw$500
Jun 15Hess Fine Auctions1970s Tiffany Co GIA Natural 4.4ct Sapphire 1ctw Diamond Ladies Platinum Ring$6,250(10 bids)
Jun 20Modern Jewelry1.02 ct EMERALD CUT DIAMOND H, IF GIA PLATINUM ENGAGEMENT RING WEDDING BAND$8,700