Platinum and 2.09 Carats Diamond RingLeonard Auction, a division of The Leonard Company4.6(598)$1,5003 hrs Left
ANTIQUE PLATINUM RING WITH 1.30CTS OF DIAMONDS (1CT VS CENTER) SIZE: 5.5Modern Jewelry4.5(203)$4,150Feb 22, 2026
Platinum Ladies Ring with 2.09ct GIA Certified Sapphire and 0.91tcw Adjacent DiamondsRiverside Galleries4.5(197)$506 days Left
Platinum Ladies Ring with 2.09ct GIA Certified Sapphire and 0.91tcw Adjacent DiamondsRiverside Galleries4.5(197)$50(1 bid)748 Lots Away
SoldAntique Platinum Diamond Ringcenter square cut corner step-cut diamond estimated weight 1.05ct., H-I, SI, 32 old European and single cut diamonds estimated total weight 0.74ct., stamped ?A.P.?, tested platinum, size 5-3/4, 5.3 grSee Sold Price
SoldAntique Platinum Diamond RingGenuine antique platinum with diamond ring, size 5.25. Ring has an antique setting with a 1.ct round brilliant center diamond, color J, clarity 12. Total weight 4.2 grams. Comes with a GAL report.See Sold Price
SoldLadies Antique Platinum & Diamond RingRing set with 24 single cut diamonds with total weight of 1/3 ctw the center diamond is .78 ctw and color is G-H and VS2. Size 5 3.5 grams all in Retail replacement value is $5,800See Sold Price
SoldAntique Platinum Diamond RingCirca 1905, Edwardian design very fine platinum three central white diamond filigree ring surrounded by 40 pave white diamonds, unmarked. Ring size 6, approx 1.5 ctw, some breaks in filigree, approx 3See Sold Price
SoldAntique Platinum & Diamond Ring, .80 carat round Old European cut diamond center with baguette andAntique Platinum & Diamond Ring, .80 carat round Old European or mine cut diamond in center with baguette and round diamonds throughout adding another .36 carat, total 1.16 carat, in a fine Art Deco sSee Sold Price
SoldArt Deco Antique Platinum Diamond RingPlatinum Art Deco ring, set with approx. 1.00ctw in diamonds. Ring size - 6.25, ring top is 9mm wide. Marked: 900 plat. 10% irid. Weight - 3.5 grams.See Sold Price
SoldAntique Platinum Diamond Ring19 old European cut diamonds estimated total weight 0.85ct., H-J, SI, 10 synthetic blue sapphires, remnant of stamp "Platinum", size 7-1/2, 4.2 grams - Provenance: A Virginia CollectorSee Sold Price
SoldAntique Platinum Diamond RingAntique platinum diamond ring, round brilliant central diamond (.50 ct), diamond bezel, filigree basket, six shoulder set round brilliant stones, marked size: 6.25 total weight: 3.1 grams ProvenanceSee Sold Price
SoldAntique Platinum & Diamond RingCenter diamond approx. 0.55 cts. Size approx. 5 1/2. Weight: approx. 3.0 grams. PLEASE NOTE: First-time buyers of gold or silver may be required to pay by check or bank wire transfer; Credit card paymSee Sold Price
SoldAntique 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
SoldAntique Platinum Diamond RingAntique Platinum Diamond Ring, size of diamond around 0.9CT, old Europena Cut StyleSee Sold Price
SoldAntique Platinum Diamond RingMETAL: platinum. GEMSTONES: diamonds-approx. 0.72ctw. MEASUREMENTS: ring size 6. Ring top is 7mm at widest point. MARKED: 10% Irid Plat. WEIGHT: 4.9 grams.Gemstones have not been graded for color andSee Sold Price
SoldANTIQUE PLATINUM DIAMOND RING & BANDAntique Ladies platinum and mine cut diamond ring with matching diamond band; center stone approx. 0.60 carats, high grade, eye clean, color H-I; size 5; platinum not tested, stones need cleaning** AlSee Sold Price
SoldAntique Platinum Diamond Ring MountingMetal : Platinum Designer : Not Signed Gemstone : Diamonds approx. 0.28ctw Measurements : Ring size 4, center will fit approx. 10.5mm x 11mm stone Marked: : Tested - Plat. Weight:See Sold Price
SoldAntique Platinum Diamond Ring1920's diamond ring marked platinum / 10% iridium and dated 12-27 on inside with10 diamonds set in two rows. Ring size 5.5, weight approx 7.5g. Each diamond measures approx 3.1 dia.See Sold Price
SoldAntique Platinum Diamond RingRing size 5.5, top measures 15.5mm at widest point. Tested platinum. Weighs 3.4 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless statedSee Sold Price
SoldAntique Platinum Diamond RingDESCRIPTION: Antique platinum setting with Old European cut diamonds. MEASUREMENTS: 2.7 dwt (4.2 gr). Approximately .66 CTW diamonds. Size 6. CONDITION: Missing one side diamond.See Sold Price
SoldAntique Platinum Diamond RingWeighs 5.2 grams. Center diamond is approximately 1/3 carat. Size is approximately 7. There appears to be one small diamond missing - see photo with area circled in blue. Winning Bidders! To bypass LiSee Sold Price
SoldLadies Antique Platinum Diamond RingEarly 20th Century Antique Estate-style Three diamond ring set in platinum. Each diamond approximately .12 CT. size 5.5. some wear from normal use. overall good. total weight: 2.9 grams / 1.8 dwt. KeySee Sold Price
SoldAntique Deco Platinum GIA Diamond Engagement RingA very fine antique platinum, diamond ring. This ring has all the elements to be an engagement ring or fashion ring. With its larger center stone but spready look it can be worn as any occasion you liSee Sold Price
SoldANTIQUE PLATINUM MULTI-COLORED DIAMOND RINGThe Edwardian style platinum ring is set with an approx. 1.31 ct. vivid slightly orangish yellowish brown Old European cut diamond bezel set in the center (I1 clarity due to a natural cavity or chip aSee Sold Price
SoldAn Antique Platinum and Diamond Ring, A. H. Fetting,An Antique Platinum and Diamond Ring, A. H. Fetting, containing one octagonal step cut diamond weighing 1.30 carats, two round brilliant cut diamonds weighing approximately 0.40 carat total, and 26 roSee Sold Price
SoldAntique Platinum and Diamond Ring, Tiffany & Co.Antique Platinum and Diamond Ring, Tiffany & Co.centering on a bezel set old European cut diamond (5.5 x 5.5 x 3.45 mm) weighing approximately .64 carat (I-J color, VS2 clarity) and with old EuropeanSee Sold Price
SoldAntique Filigree Platinum & Diamond Ring, 5 round diamonds totaling .90 carat in handmadeAntique Filigree Platinum & Diamond Ring, 5 round diamonds totaling .90 carat in handmade filigree setting, Art Deco era, 14K white gold shank in sizing area, with appraisal of $3,250.00, currently siSee Sold Price
