A platinum diamond three-stone ring.

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

An 18ct gold and platinum diamond three-stone ring. The graduated brilliant-cut diamond line, with bi-colour gallery and band. Estimated total diamond weight 0.30ct. Ring size K. Weight 1.6gms.

A mid 20th century 18ct gold and platinum diamond three-stone ring. The graduated brilliant-cut diamonds, each within an illusion setting, to the tapered shoulders and plain band. Estimated total diam

Two mid 20th century 18ct gold and platinum diamond three-stone rings. Each designed as three brilliant-cut diamonds, to the plain band. Estimated total diamond weight 0.45ct. Weight 5gms. Overall con

EDWARDIAN PLATINUM AND DIAMOND THREE-STONE RING Each full-cut diamond approx. 5.0mm x 2.8mm. Engraved setting further set with four small diamonds. Size 4½.

METAL: Platinum. MEASUREMENTS: Ring size - 5.75. GEMSTONES: Diamonds approx. 1.33ctw. MARKED: Pt950, ZEI. WEIGHT: 7.7 grams.Gemstones have not been graded for color and clarity ,and tested for clarity

METAL: platinum. MEASUREMENTS: ring size - 6, ring top is 7.6mm x21mm. GEMSTONES: 3 old european diamonds - approx. 1.10-1.20ctw . TESTED: plat. WEIGHT: 5.5 grams.Gemstones have not been graded for co

A GOOD LARGE ANTIQUE PLATINUM AND DIAMOND THREE STONE RING set with bright brilliant cut stones. Size Q/R.

Diamond Platinum Three Stone Ring Stamped: Plat Emerald cut diamond weight approx. 1.00 ct Color & Clarity: F, SI2 2 Baguette Diamonds total weight approx. 0.08 ct Ring Size: 5.25 Total Weight: 3.

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

Platinum and 14k gold three diamond ring, with approx. 0.50ctw in diamonds. Ring size - 4. Marked: Magic GLO 14k, Plat. Weight - 3.1 grams.

Platinum and Diamond Ringthe three stone ring centering a millegrain bezel-set old European-cut diamond weighing approx. 0.84 ct. flanked by millegrain bezel-set old European-cut diamonds weighing app

A mid 20th century platinum and 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, to the single-cut diamond asymmetric sides and plain band. Estimated total diamond weight

A mid 20th century platinum and 18ct gold diamond three-stone ring. The slightly graduated circular-cut diamonds, to the tapered band. Estimated total diamond weight 0.35ct, I-J colour, SI clarity. Ri

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

3.25 CARAT DIAMOND THREE STONE RING in platinum or white gold, set with a trio of old round cut diamonds of 1.45, 0.95 and 0.85 carats, unmarked, size M / 6.25, 4.3g.

Platinum three stone diamond ring, center round brilliant-cut diamond appx. 1.20 ct., SI / IJ. Two Old Mine Cut diamonds are set on each side, appx. 1.30 ct. total weight, SI / HI, size 6 3/4.

A RUBY AND DIAMOND THREE STONE RING in platinum, set with a cushion cut ruby of 1.05 carats accented on each side by a trapezoid cut diamond, the diamonds totalling 0.33 carats, inscribed C - 1.05ct S

A DIAMOND THREE STONE RING in platinum, set with a central oval cut diamond of 0.85 carats between two round brilliant cut diamonds totalling 0.25 carats, British hallmark for platinum, size M1/2 / 6.