AN AQUAMARINE AND DIAMOND THREE STONE RING in yellow gold and platinum, set with a cushion cut

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.

A SAPPHIRE AND DIAMOND THREE STONE RING in yellow gold, set with a cushion cut blue sapphire of 3.02 carats, between two old cut diamonds, accented by rose cut diamonds, the diamonds all totalling 1.7

AN EMERALD AND DIAMOND THREE STONE RING in 18ct yellow gold, set with a cushion cut emerald between two round brilliant cut diamonds, British hallmarks, size J / 4.5, 2.9g.

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 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

AN AQUAMARINE AND DIAMOND THREE STONE RING in 9ct yellow gold, set with an oval cut aquamarine between two round brilliant cut diamonds, British hallmarks, size L / 5.5, 2.0g.

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.

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 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.

A SET OF TWO THREE STONE RINGS one in 18ct yellow gold and platinum, set with a square step cut ruby accented by two single cut diamonds, stamped 18ct & PT, size O1/2 / 7.5, 2.2g, one in 9ct yello

GIA CERTIFIED PLATINUM AND 18KT YELLOW GOLD ENGAGEMENT RING. 3D CLASSIC CUSHION THREE STONE DESIGN. WHITE DIAMONDS ARE F/G COLOR, VSSI CLARITY .54 CARATS. CUSHION CUT FANCY YELLOW DIAMONDS ARE 3.61 CA

14K YELLOW GOLD AQUAMARINE & DIAMOND ART DECO RING 14K yellow gold aquamarine and diamond Art Deco ring with platinum stone setting.  Cushion cut aquamarine, 9.5 x 9.1mm (16) European-cut round

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

AN UNHEATED RUBY AND DIAMOND THREE STONE RING in 18ct white gold, set with a cushion cut ruby of 1.16 carats between two round brilliant cut diamonds, the diamonds both totalling 0.87 carats, stamped

ASPREY, A DIAMOND THREE STONE RING in 9ct yellow gold, set with three old cut diamonds, the diamonds all totalling approximately 0.70 carats, A&Co maker's mark, full British hallmarks Birmingham 1976,

A VINTAGE DIAMOND THREE STONE RING in yellow gold, set with a circular rose cut diamond between two pear shaped rose cut diamonds, no assay marks, size O / 7.25, 2.4g.

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct yellow gold, set with a marquise cut sapphire between two marquise cut diamonds, full British hallmarks, size L / 5.75, 3.6g. 

AN EMERALD AND DIAMOND THREE STONE RING in 9ct yellow gold, set with an oval cut emerald between two round brilliant cut diamonds, British hallmarks, size M / 6, 2.4g.

NO RESERVE - AN EMERALD AND DIAMOND THREE STONE RING in 14ct yellow gold, set with a round cut emerald between two round brilliant cut diamonds, stamped 14K, size L1/2 / 6, 2.4g.

AN DIAMOND THREE STONE RING in 18ct yellow gold, set with three old mine cut diamonds all totalling 1.2-1.4 carats, stamped 18CT, size L / 5.5, 3.2g.

AN AQUAMARINE AND DIAMOND RING in yellow gold and silver, set with a cushion cut aquamarine of approximately 2.88 carats between two rose cut diamonds, no assay marks, P1/2 / 7.5, 3.3g.

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut aquamarine of 2.00 carats, in a cluster of round brilliant cut diamonds, British hallmarks, size M / 6, 5.7g.

NO RESERVE - A DIAMOND THREE STONE RING in 18ct yellow gold, set with three round brilliant cut diamonds with a combined total weight of approximately 1.30 carats, British hallmarks for 18ct gold, siz