AN UNHEATED RUBY AND DIAMOND CLUSTER RING set with an oval cut ruby of 1.80 carats in a border of

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

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 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 central oval cut ruby of 1.19 carats within a cluster of round brilliant cut diamonds, stamped 18K, size M / 6.25, 5.6g.

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.

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.

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut ruby of approximately 1.03 carats in a cluster of old cut diamonds, stamped 18ct, size L1/2 / 6, 2.9g.

Gold, Ruby, and Diamond Cluster Ringwith a center cluster of prong set oval cut rubies weighing approximately 5.50 total carats and with full cut round diamonds weighing approximately 1.06 total carat

A FINE RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and white gold, set with an oval cut ruby of 7.05 carats in a cluster of old cut diamonds, the diamonds all totalling 1.3-1.4 carats, stamped 1

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a round cut ruby of 1.14 carats, in a cluster of round cut diamonds, stamped PLAT 18CT, size O / 7.25, 4.1g. With a

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.

AN ANTIQUE VICTORIAN RUBY AND DIAMOND CLUSTER RING in 18ct rose gold and silver, set with an oval cut ruby of approximately 0.54 carats in a cluster of old mine cut diamonds, stamped 18CT, O1/2 / 7.25

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

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 9 CARAT GOLD RUBY AND DIAMOND CLUSTER RING, an oval-cut ruby within a rectangular border of eight-cut diamonds and round-cut rubies. Hallmarked Sheffield 2002, ring size K1/2, 4.2 grams; and AN ONYX

RUBY AND DIAMOND CLUSTER RING, MID 20TH CENTURY The oval-cut ruby, weighing 2.51 carats, within a surround of brilliant-cut diamonds, between baguette-cut diamond-set shoulders, ring size N Footnotes:

A ruby and diamond cluster ring, the central oval cut ruby claw set within a surround of marquise cut and brilliant cut diamonds, approximately 1.40 carats total, finger size M

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.

NO RESERVE - A BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING set with a round cabochon ruby of 7.26 carats in a border of marquise cut diamonds totalling 0.8-1.0 carats, stamped 7.26, size M / 6, 8.3g.

View a video of this lot: Click HereCrafted in platinum and 18K gold; set with a 4.00 carat oval mixed-cut Mozambique unheated ruby; flanked by triangular-shaped diamonds, weighing a

AN ANTIQUE RUBY AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval ruby in a border of rose cut diamonds, no assay marks, size P1/2 / 8, 3.0g.

AN ANTIQUE RUBY AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval ruby in a border of rose cut diamonds, no assay marks, size P1/2 / 8, 3.0g.

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