A platinum sapphire and diamond three-stone ring. The

A platinum sapphire and diamond three-stone ring. The rectangular-shape sapphire, with baguette-cut diamond sides. Total diamond weight 0.18ct, stamped to band. Hallmarks for Sheffield. Ring size N. W

Platinum sapphire and diamond three-stone ringchip on sapphire, size 5, 4.3 grams

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold and platinum, set with a square step cut blue sapphire between two round cut diamonds, stamped Plat 18ct, size N / 6.5, 2.1g.

NO RESERVE - A PINK SAPPHIRE AND DIAMOND THREE STONE RING in yellow gold and platinum, set with an oval cut pink sapphire of 1.01 carats, between two round brilliant cut diamonds, stamped PLAT, size P

A GROUP OF SEVEN RINGS, including polished gold signet ring (size R, approx. 4.4g), a sapphire and diamond three-stone ring mounted in gold (ring size P, approx. 2.8g), one plain platinum wedding band

Platinum diamond and sapphire ring, three stones, one diamond (approx. .4 ctw) flanked by two sapphires (approx. .3 ctw), size 3, marked "900" All diamond or stone details including but not l

A ladies platinum three stone ring with a central diamond flanked by oval sapphires. Dimensions: Size 9, the approximate gross weight is 4.0 dwt. The diamond is approximately 1.00 ct (estimated weight

A platinum graduated sapphire three-stone ring, with brilliant-cut diamond shared surround.Sapphire total weight 0.64ct.Total diamond weight 0.13ct.Hallmarks for London, 2011. Ring size M. 5.9gms.

14K white gold and platinum three-stone ring featuring an oval cut sapphire weighing approx. 3.60 carats with two old European cut diamonds weighing approx. 2.00 ctw with an average color grade of I-J

Gorgeous Unheated 5.7 Ctw Vivid Pink Sapphire & Diamond Ring Platinum Cushion Engagement Three Stone Hot Pink

Art Deco style Approx. 2.67 Carat Round Brilliant Cut Diamond and Platinum Three Stone Ring accented with .88 Carat French Cut Sapphires. Diamonds E-F color, VS clarity. Sapphires with vivid saturatio

Edwardian five-stone sapphire ring with diamond loops in platinum-topped 18k gold; Art Nouveau three-stone ring in platinum-topped 18k gold; Art Deco three-stone ring in 18k wg. Diamonds approx. 1.62

Two early 20th century platinum and 18ct gold diamond and gem-set rings. To include a diamond three-stone crossover ring, together with an alternating sapphire and old-cut diamond five-stone ring. Est

Approximate diamond measurements are: three center stones 0.12ct each, 16 other stones measure .01 to .03 ct. each, four square cut sapphires, measures a size 7.5 and weighs 4 grams.

Platinum three ring band having a 1ct prong set faceted oval pink sapphire center stone with round and baguette shape diamond accents. Ring size 7. Approx. weight 14.2 grams.

Platinum Art Deco diamond and sapphire ladies' dinner ring, with three center diamonds approximately 45 points each, surrounded by 24 one-point mine diamonds. Missing stones. 3.4 dwts.

Platinum "pt 900" band with diamonds and "18k" yellow gold accents, 9.8 grams, "18K" white gold ring with two diamonds and synthetic Sapphire Stone, Yellow Gold Band, 9.0 grams 18K

Three settings, sizes 5 1/2, 4 3/4 and 7 1/2. Centers will fit approx. 7.4mm x 7.2mm, 7mm x 5mm and 7.2mm x 6mm stones. Side diamonds - approx. 0.12ctw., two sapphires. Marked plat, 10% irid. Weight -

A PLATINUM DIAMOND THREE STONE RING graduated round brilliant-cut diamonds in claw settings. Estimated total diamond weight 3.40ct, hallmarked Sheffield (indistinct), ring size O, 6.8 grams Good co

A platinum diamond three-stone ring. The brilliant-cut diamond line, to the openwork gallery and tapered band. Estimated total diamond weight 1.05cts, H-K colour, SI2-P1 clarity. Hallmarks for Birming

A platinum diamond three-stone ring. The brilliant-cut diamond, with similarly-cut diamond sides to the plain band. Estimated total diamond weight 1.20cts, J-L colour, SI clarity. Hallmarks for Birmin

METAL: 14k gold/ platinum . MEASUREMENTS: ring size - 6 3/4. GEMSTONES: 3 oval diamonds - approx. 1.05ctw. MARKED: dia 14k plat 2. WEIGHT: 4 grams.Gemstones have not been graded for color and clarity

A mid 20th century platinum diamond three-stone ring. The graduated brilliant-cut diamond line, with single-cut diamond line sides, to the plain band. Estimated total diamond weight 0.55ct, I-J colour

14K SAPPHIRE & DIAMOND THREE STONE RING set with a center diamond approx. 0.25 carats (in our opinion: E-F color, VS1 clarity, however not guaranteed), flanked by 2 round sapphires approx. 0.50 carats