Platinum three stone diamond ring set with three

Platinum and Three Stone Diamond Ringprong set to the center with a princess cut diamond (5.82 x 5.5 x 4.0 mm) weighing approximately 1.02 carats (G color, SI1 clarity) and accented to each side with

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

Gorgeous 1930's art deco ladyÂ’s platinum three stone diamond ring. The ring was purchased at Tiffany & Co.* in the mid 1930's and features three (3), six prong set, Old European cut diamonds set i

Antique platinum three stone diamond ring. The ring features three (3), four prong set, old mine cut diamonds set in basket style heads with the largest in the center and accented with two (2), pave s

A 3.89 CARAT THREE STONE DIAMOND RING in white gold or platinum, set with three round cut diamonds totalling approximately 3.89 carats, French hallmarks, size L / 5.5, 6.23g.

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.

A DIAMOND THREE STONE RING in 18ct yellow gold and platinum, set with three round brilliant cut diamonds totalling 0.9-1.0 carats, stamped 18CT PLATINUM, size N1/2 / 7, 3.9g.

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.

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.

A delightful Art Deco diamond and garnet ring, in platinum, circa 1920's - 1940's. The beautifully crafted platinum, filigree three stone, setting has been bezel set with an, approximately, 0.38 carat

Baguette Diamond Platinum Three Stone Engagement Eternity Wedding Band Ring Features Three Baguette Cut Diamonds Bar Set to the Front Pierced Profile 1950's Hallmarked for Platinum Ring Size: 6 Sizabl

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

AN AQUAMARINE AND DIAMOND THREE STONE RING in yellow gold and platinum, set with a cushion cut aquamarine between two round brilliant cut diamonds, obscured British hallmarks, size N / 6.5, 2.7g.

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

View a video of this lot: Click HereCrafted in platinum; set with old European-cut diamonds, weighing a total of approximately 2.00 carats, most with J-L color and I clarity; accented

A RUBY AND DIAMOND THREE STONE RING in 18ct yellow gold and platinum, set with an oval cut ruby of 1.28 carats between two old cut diamonds, the diamonds both totalling approximately 0.50 carats, stam

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.

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

NO RESERVE - A DIAMOND THREE STONE RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with a trio of graduated old cut diamonds within a stylised band, stamped 18ct, size M / 6.25, 2.9g.

NO RESERVE - A DIAMOND THREE STONE RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with a trio of graduated old cut diamonds within a stylised band, stamped 18ct, size M / 6.25, 2.9g.

Five gold gem-set rings. To include an early 20th century platinum and 18ct gold single-cut diamond three-stone crossover ring, an early 20th century 18ct gold and platinum synthetic ruby dress ring,

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.