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
Sold2022GRANAT BROS. PLATINUM & DIAMOND BAND RINGThe ring is set with a center row of eight full cut round diamonds [I-K/VS], approximate total weight 0.40 carats, bordered by two rows of 20 single cut round diamonds [I-K/VS], approximate total weigSee Sold Price
Sold2024Antique Lambert Bros. Platinum Diamond Ruby RingAntique Lambert Bros. Platinum with 2-3/8 Carat Diamonds and 3/8 Carat Ruby Estate Ring, Size 7. All gold weights and precious stone weights are for estimating purposes only and jewelry does not qualiSee Sold Price
Sold2024Granat Bros. Synthetic Emerald, Diamond, Platinum Ring.Granat Bros. Synthetic Emerald, Diamond, Platinum Ring. Featuring one square emerald-cut synthetic emerald measuring approximately 6.8 x 6.82 x 4.7 mm, accented by two full-cut and twenty-two single-cSee Sold Price
Sold2017Collection of Two Diamond, Platinum Rings.Collection of Two Diamond, Platinum Rings. Including one Granat Bros. diamond, engraved platinum ring, size 5 3/4 together with one diamond, platinum ring, size 6 1/4. {Gross Weight: 4.2 dwts}See Sold Price
Sold2021Antique 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
Sold2023Antique 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
Sold2021Ladies 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
Sold2023Antique 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
Sold2023Antique 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
Sold2020Art 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
Sold2021Antique 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
Sold2024Antique 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
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
Sold2017Antique Platinum Diamond RingAntique Platinum Diamond Ring, size of diamond around 0.9CT, old Europena Cut StyleSee Sold Price
Sold2018Antique 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
Sold2023ANTIQUE 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
Sold2023Antique 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
Sold2015Antique 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
Sold2019Antique 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
Sold2017Ladies 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
Sold2022Antique Platinum & Diamond Ring Mounting.The Diamonds are Small, but the Art Deco Mounting is Beautiful. It looks like the Bottom Prong Portions are Missing. The Ring is marked "Plat". It is a Size 5 1/2, and Weighs 2 Pennyweight, or 3.1 GraSee Sold Price
Sold2018Antique Platinum & Diamond RIngCute little antique ring in platinum and gypsy set single cut diamond. High center has fine filligree filling in just less than half the ring. Approx size is 5 1/4 and weight is 1.93gSee Sold Price
Sold2022ANTIQUE 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
6 days LeftHannam's Auctioneers LtdAN ANTIQUE 18CT GOLD PLATINUM OPAL AND DIAMOND RING. O. 4 grams.£60
Jun 25Miami Auction GalleryVintage GIA 4.06 ct Burma Ruby Diamond Platinum Antique Cocktail Ring$24,000
Jun 22Ark Auctions IncAntique Estate Coral Platinum and Old Mine Cut Diamond Ring with Black Onyx$3,500
10 hrs LeftLeland LittleAntique Platinum, 2.05 Carat Old European Cut Diamond, and Sapphire Ring$950(7 bids)
3 hrs LeftFederal Assets AuctioneersAntique Art Deco Platinum Old European Diamond Solitaire Engagement Promise Ring$1
Jun 24ATTIC TO AUCTION, LLCLUXURY ESTATE Ladies Antique Filigree solitaire Natural Diamond Ring Platinum Sz 3.75$500
3 hrs LeftFederal Assets AuctioneersAntique Art Deco Platinum European Diamond Solitaire Engagement or Promise Ring$1
Jun 24ATTIC TO AUCTION, LLCLUXURY ESTATE Antique Approx 2.5 carat Platinum top & 14kt Yellow Gold Diamond Flower Ring 9.2 grams$300(1 bid)