A SAPPHIRE AND DIAMOND RING set with a rectangular step cut blue sapphire of 1.24 carats within a

A SAPPHIRE AND DIAMOND RING set with a rectangular step cut blue sapphire of 1.24 carats within a cluster of old cut diamonds, no assay marks, size N / 6.5, 4.3g.

A CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of 4.10 carats, within a rectangular border set with old cut and baguette cut diamonds, the diamonds all totalling

Ladies 18kt white gold sapphire and diamond ring featuring prong set rectangular step cut blue sapphire and prong set oval cut pink sapphire weighing approx. 2.56ct., Each surrounded by halos of prong

Men's 14kt yellow gold sapphire and diamond ring featuring a bezel set rectangular step cut dark blue sapphire weighing approx. 1.50ct.. Accented with a frame of channel set round brilliant cut diamon

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut blue sapphire of 4.18 carats, within a graduated border of old cut and round cut diamonds, no assay marks, size N / 6.75, 4.0g. Accompa

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut blue sapphire of 6.12 carats, within a border of single cut diamonds, no assay marks, size N / 6.75, 5.4g. Accompanied by a gemmologic

14kt yellow gold ring prong set with one rectangular step cut blue sapphire. Diamond accents. Marked 14K. Ring size 7.5. Total weight 5g.

A SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1940 in 18ct yellow gold and platinum, set with a step cut blue sapphire within a border of round cut diamonds, stamped 18ct Pt, size K / 5.25, 3.9g.

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in platinum and 18ct white gold, set with a cushion cut blue sapphire of 4.17 carats, within a border of round cut diamonds, the diamonds all totalling 2.2-2

AN ANTIQUE CEYLON NO HEAT SAPPHIRE AND DIAMOND RING in 18ct yellow gold, the navette shaped face set with a cushion cut blue sapphire of 1.18 carats, within a surround of old European brilliant cut di

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, set with a cushion cut blue sapphire of 0.93 carats, within a border of old cut diamonds, stamped Pt 18ct, size M / 6, 3.1

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

centered with one rectangular cushion cut blue sapphire weighing .73 carat and the floral motif mount with bead and bezel set old mine cut diamonds weighing approximately .83 total carat (H-J color, S

A SAPPHIRE AND DIAMOND BRACELET, CIRCA 1940 in platinum, set with a single row of eleven step cut blue sapphires, all totalling 8.0-10.0 carats, within hexagonal links set with round cut diamonds, the

gold kinetic ring set with 30 full cut round Diamonds [H/VS], approximate total weight 0.24 carats, accented with four square step cut Blue Sapphires, approximate total Blue Sapphire weight 0.52 ct.,

A SAPPHIRE AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold and platinum, set with a round cabochon blue sapphire of 0.97 carats within a border of old cut diamonds, stamped 18ct Plat, size L1/2 / 6

Ladies platinum sapphire and diamond ring featuring a prong set rectangular step cut sapphire weighing approx. 1.42ct.. Surrounded by a floral frame of prong set round brilliant cut diamonds weighing

18kt yellow gold sapphire and diamond ring featuring a bezel set rectangular step cut sapphire weighing approx. 0.40ct.. Accented with channel set round rectangular step cut diamonds weighing approx.

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut sapphire of 4.40 carats within a cluster of round cut diamonds, no assay marks, size M / 6, 6.3g. Accompanied by two gemmological repor

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.

AN AQUAMARINE AND DIAMOND RING the square face set with a step cut aquamarine of 1.24 carats within a border of round cut diamonds, no assay marks, size M / 6, 3.8g.

A CEYLON NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING set with an oval cut blue sapphire of 3.39 carats in a cluster of round brilliant cut diamonds, no assay marks, size M / 6, 4.5g. Accompanied by a ge

A sapphire and diamond cluster ring, the rectangular step cut sapphire of estimated weight 10.7 carats, surrounded by ten brilliant diamonds of estimated weight 0.50 carats and six marquise cut diamon

A SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of approximately 5.02 carats, accented by rows of round brilliant cut diamonds, with further round brilliant cut diamonds to the