ANTIQUE PLATINUM OPAL AND DIAMOND RING.

Ring size 6 1/4, ring top is 19mm x 13mm. Set with two 5.3mm opals and approx. 0.20ctw in diamonds. Marked: 18k plat. Weight - 5.8 grams.Gemstones have not been graded for color and clarity ,and teste

Ladies antique Victorian era Opal and Diamond ring. Crafted of 14k gold and platinum. Set with a stunning Opal center stone measuring 11.6mm x 8.3mm. Surrounded by a halo of 18 European cut Diamonds w

AN ANTIQUE OPAL AND DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with three cabochon opals, accented by round cut diamonds, stamped 18CT & PT, size L / 5.75, 2.7g.

AN ANTIQUE OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cabochon opal in a cluster of rose cut diamonds, stamped 18CT & PLATINUM, size M / 6.25, 2.7g. 

center 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 gr

Art Deco Platinum, Opal & Diamond Ringcentered on a prong set, oval black opal (14.97 x 10.48 x 5.03 mm) with three single cut diamonds on either side weighing approximately .11 total carat (H-I color

Platinum Weight 7.10g Opal Approx. 1.12ct Diamond Approx. 0.67ct Ring

Genuine 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.

Ring 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 $5,800

Platinum Weight 7.1g Opal Approx. 7ct Diamond Approx. 2ct Ring

Circa 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 3

Antique 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 s

Antique opal and diamond ring, set in 14kt yellow gold, approx. 1.0 ct oval opal cabochon (frosted), .35 ct. tw. Old European cut diamond sides, sz. 6 3/4, 3.1 grams. New bidders to Smiths - payment f

Platinum 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.

19 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 Collector

Antique 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 Provenance

METAL: 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. TESTE

Antique Platinum Diamond Ring, size of diamond around 0.9CT, old Europena Cut Style

METAL: 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 and

Antique 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** Al

1920'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.

Ring 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 stated

DESCRIPTION: 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.

Early 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. Key