A RUBY AND DIAMOND RING in platinum, set with an oval cut ruby of 1.65 carats in a border of round

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut ruby of 1.42 carats within a border of round cut diamonds, stamped 18ct & Plat, size M / 6, 2.5g. Accom

A RUBY AND DIAMOND RING in platinum, set with an oval cut ruby of 0.77 carats, accented by French cut rubies within an openwork border set with single cut diamonds, with further diamonds set to the ta

CARTIER, A STAR RUBY AND DIAMOND RING in platinum, set with a cabochon star ruby of approximately 76.03 carats in a border of round brilliant cut diamonds, signed Cartier and numbered, stamped Pt, siz

Platinum Star Ruby and Diamond Ring with GIA having center bezel set oval double cabochon cut natural star ruby weighing 16.95 carats, GIA Report #2161718995; set with 30 round brilliant cut diamonds

A TANZANITE, RUBY AND DIAMOND RING in 18ct white gold, set with an oval cabochon tanzanite of 20.78 carats, within a border of round cut diamonds, accented by round cut rubies to the shoulders, stampe

This is a certified and appraised genuine ruby and natural diamond set in platinum. The 3.37 carat Mozambique oval-cut ruby is bezel set in a halo of 1 carat of round, brilliant-cut, G-H color, VS1-VS

Genuine Ruby and Earth-Mined Diamond Ring. This luxurious platinum ring features an approximate 2.05 carat oval-cut GIA certified Thailand (Siam) ruby that is prong-set with .85 carats of round, brill

A Platinum, Ruby and Diamond Ring. Set with an oval-shaped cabochon ruby, weighing 2.01 carats, accented by 34 round brilliant-cut, marquise-cut and baguette diamonds, weighing a total of approximatel

A RUBY AND DIAMOND RING in platinum, set with an oval cut ruby accented by round brilliant cut diamonds and step cut rubies, stamped PLAT, size M / 6, 4.9g.

A RUBY AND DIAMOND RING set with an oval cut ruby of 6.97 carats in a cluster of round brilliant cut diamonds, with further diamonds to the band, stamped 750, size N / 6.5, 8.1g.

A RUBY AND DIAMOND RING set with an oval cut ruby of 6.97 carats in a cluster of round brilliant cut diamonds, with further diamonds to the band, stamped 750, size N / 6.5, 8.1g.

A SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut sapphire of 5.75 carats, in a border of round brilliant and baguette cut diamonds totalling 1.96 carats, stamped Pt900, size M / 6, 14.0g.

AN UNHEATED RUBY AND DIAMOND RING in platinum, set with a cushion cut ruby of 2.54 carats accented by round brilliant and baguette cut diamonds, with further round brilliant cut diamonds to the band,

NO RESERVE - AN UNHEATED RUBY AND DIAMOND RING set with a central round cut ruby of 2.32 carats, within a border of round brilliant cut diamonds, to a bifurcated band, no assay marks, size R / 8.5, 5.

RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of 1.10 carats in a cluster of round cut diamonds totalling 0.52 carats, stamped 18K, size L / 5.75, 4.9g.

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 ANTIQUE RUBY AND DIAMOND RING in yellow gold, the navette face set with an oval cut ruby of 0.52 carats in a border of rose cut diamonds, no assay marks, size N / 6.5, 3.7g.

A BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut ruby of 0.87 carats in a cluster of round brilliant cut diamonds totalling 1.04 carats, stamped 18CT, size N / 6.

A RUBY AND DIAMOND CLUSTER RING in 14ct white gold, set with an oval cut ruby of 1.60 carats, in a cluster of round brilliant and baguette cut diamonds all totalling 0.6-0.8 carats, stamped 14K, size

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut ruby of 1.11 carats in a border of round and baguette cut diamonds totalling 0.54 carats, stamped 18K, size M / 6, 5.1g.

A RUBY AND DIAMOND CROSSOVER RING set to each end with an oval cut ruby of 4.60 carats and an oval cut diamond of 0.75 carats, the band pave set with round brilliant cut diamonds and round cut rubies,

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut blue sapphire of 1.36 carats within a border of round cut diamonds, with further diamonds set to the shoulder

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a central oval cut ruby of 1.19 carats within a cluster of round brilliant cut diamonds, stamped 18K, size M / 6.25, 5.6g.

Ruby and Diamond Ring 14k yellow gold, the ring mounted with an oval-cut treated ruby weighing approximately 3.81 carats, framed by a border of round brilliant-cut diamonds weighing approximately 0.25