A SAPPHIRE AND DIAMOND THREE STONE RING set with an octagonal step cut sapphire of approximately

AN EMERALD AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an octagonal step cut emerald of approximately 1.46 carats, between two round cut diamonds, British hallmarks, size N / 6.5, 4.8g.

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.

A SAPPHIRE AND DIAMOND RING set with an octagonal step cut sapphire of 0.62 carats accented on each side by a round brilliant cut diamond, no assay marks, size O / 7, 2.3g.

A SAPPHIRE AND DIAMOND THREE STONE RING set with a cushion cut sapphire of 1.60 carats between two round brilliant cut diamonds both totalling 0.4-0.5 carats, no assay marks, size K / 5, 2.8g.

A SAPPHIRE AND DIAMOND THREE STONE RING set with an oval cut sapphire between two round brilliant cut diamonds, stamped 750, size L / 5, 2.1g.

SAPPHIRE AND DIAMOND RING Containing one octagonal step cut sapphire measuring approximately 10.10 x 8.75 x 5.30 mm, two triangular and two baguette cut diamonds weighing approximately 1.10 carats tot

14 kt. White Gold, Yellow Sapphire and Diamond Ring , center prong set octagonal step cut yellow sapphire, wt. 1.39 cts., 6.35 x 4.97 x 4.25 mm; double halo and support with 66 square and round brilli

A Retro Rose Gold, Sapphire and Diamond Ring, containing one octagonal step cut sapphire measuring approximately 5.84 x 4.44 x 2.80 mm and two old mine cut diamonds weighing approximately 0.40 carat t

A sapphire and diamond three-stone ring claw-set with an oval-cut sapphire and two round brilliant-cut diamonds, the plain band stamped PLAT; with accompanying report by Gemmological Certification Ser

AN AQUAMARINE AND DIAMOND THREE STONE RING in 18ct white gold, set with an octagonal step cut aquamarine of 4.30 carats between two round brilliant cut diamonds both totalling 0.9-1.0 carats, full Bri

AN EMERALD AND DIAMOND THREE STONE RING in 18ct white gold, set with an octagonal step cut emerald of 4.46 carats between two trilliant cut diamonds both totalling 0.65 carats, stamped 18K, size N / 6

CEYLON, ORANGE-YELLOW SAPPHIRE AND DIAMOND RING Containing one octagonal step cut orange-yellow sapphire measuring approximately 13.12 x 11.13 x 9.78 mm and 62 round brilliant cut diamonds weighing ap

AN ANTIQUE SAPPHIRE THREE STONE RING in yellow gold, set with three round cut sapphires of approximately 2.38, 1.30 and 2.40 carats, no assay marks, size J / 4.5, 3.8g.

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

A SAPPHIRE AND DIAMOND THREE STONE RING in 18ct white gold, set with an oval cut sapphire of 2.52 carats between two cushion cut diamonds both totalling 2.0-2.1 carats, stamped 18ct, size O / 7, 4.6g.

SAPPHIRE AND DIAMOND THREE-STONE RING The octagonal-cut sapphire between cushion-shaped diamonds, ring size approx. K For further information on this lot please visit Bonhams.com

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. 

A sapphire and diamond ringdesigned as an octagonal step-cut sapphire, weighing approximately 2.20, flanked by triangular-cut diamonds, each weighing approximately 0.38 or 0.40 carat, mounted in plati

A diamond and sapphire three stone ring centred with a mixed oval-cut sapphire, measuring approximately 9 x 6 mm, flanked with two round brilliant-cut diamonds of approximately 0.40 carats combined, t

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 SAPPHIRE AND DIAMOND THREE STONE CLUSTER RING in 14ct yellow and white gold, set with three oval cut sapphires totalling 1.0-1.2 carats in a cluster of round brilliant cut diamonds, full British hal

A sapphire and diamond three-stone ring claw-set with an oval-shaped sapphire and two round brilliant-cut diamonds, to a plain band, unmarked(Ring size: N)

Estate 18k gold ring with step cut channel set sapphires at approximately 1.75ctw and pave accent diamonds at approximately 1.0ctw, SI clarity G color, size 6.75, 8.1g

Art Deco 1930s ring in 14k yellow and white gold. This ring has two round blue sapphires at approximately 0.80ctw with a center Old Mine cut diamond at 0.52 carats, H color VS2 clarity. Size 6.25, 3.6