A SAPPHIRE AND DIAMOND RING set with a round cut sapphire of approximately 0.46 carats accented by

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

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a round cabochon sapphire of approximately 7.18 carats, accented by trios of rose cut diamonds, stamped 750, size N / 6.75, 7.1g. 

Comprised of a ring and a pendant, decorated with invisibly-set square-cut sapphires, weighing a total of approximately 4.30 carats, further accented by bead-set round brilliant-cut diamonds, weighing

A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut diamond of approximately 0.40 carats, accented by French cut sapphires and round brilliant cut diamonds, further round brilliant

View a video of this lot: Click HereCrafted in 18K white gold; set with a oval-shaped pink sapphire, weighing approximately 1.70 carats; accented by round brilliant-cut diamonds, weig

centered with round brilliant cut yellow sapphire weighing approximately 2.35 carats bezel set in yellow gold and with a textured platinum tapered shank accented to the top and bottom with (52) bead s

View a video of this lot: Click HereCrafted in platinum; set with a cushion faceted sapphire, weighing approximately 3.25 carats; accented by round brilliant and baguette cut diamonds

circa 1970s, set to the front with one oval cabochon opal weighing approximately 5.60 carats and accented with prong set round brilliant cut diamonds weighing approximately .69 total carat (H-J color,

A STAR SAPPHIRE AND DIAMOND RING Designed with one central and six surrounding oval-shaped star sapphires, accented with six bezel-set round brilliant-cut diamonds weighing approximately 0.50 carat, m

A PLATINUM, SAPPHIRE AND DIAMOND RING AND EARRING SET Featuring emerald-cut sapphires accented by two rows of round diamonds weighing approximately 1.45 carats, ring size 5 1/2, earrings measure 1/2 x

View a video of this lot: Click HereCrafted in 18K white gold; set with a center round brilliant cut diamond, weighing approximately 0.70 carat, with H-I color and I clarity; accented

Crafted in 18K white gold featuring a ring and a pair of earrings, accented with round brilliant-cut diamonds, weighing a total of approximately 1.65 carats, further accented by round-cut rubies and s

AN ART DECO PURPLE SAPPHIRE AND DIAMOND RING in platinum, set with a round cut purple sapphire of approximately 5.59 carats, the stepped shoulders set with baguette cut diamonds, stamped PLAT, size P

A FRENCH SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with an oval cut sapphire of approximately 3.57 carats accented by old cut diamonds, French assay marks, size J1/2 / 5, 10.6g. 

Sapphire and Diamond Ring platinum, the ring mounted with a central round-cut treated sapphire weighing approximately 0.24 carats, accented by round-cut diamonds weighing approximately 0.79 carats in

Sapphire and Diamond Ring 14k white gold, the ring mounted with a round-cut treated sapphire weighing approximately 0.40 carats, accented by round brilliant-cut diamonds weighing approximately 0.48 ca

Platinum, Gold, Yellow Sapphire, and Diamond Ring, Francebezel set with one round cut yellow sapphire (9.63 x 8.6 x 6.2mm) weighing approximately 3.98 carats and with a conforming surround of (18) bea

Sapphire and Diamond Ring 14k white/yellow gold, the ring mounted with round- and square-cut treated sapphires weighing approximately 0.75 carats in total, accented by round brilliant-cut diamonds wei

A CEYLON NO HEAT SAPPHIRE AND DIAMOND RING set with an oval cut sapphire of 4.90 carats accented by round brilliant cut diamonds to the band, stamped 750, size M / 6, 6.0g.

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 elegant ladies 14k white gold and natural gemstone ring. Features an oval blue sapphire surrounded by a bevy of prong set round cut diamonds. Marked 14k. Sapphire weight approximately 1.0 carats. M

A YELLOW SAPPHIRE AND DIAMOND RING set with an emerald cut yellow sapphire of 3.00 carats, accented by round brilliant cut diamonds totalling 0.60 carats, stamped PLAT, size O / 7, 5.7g.

A SAPPHIRE AND DIAMOND TOI ET MOI RING in 18ct yellow and white gold, set with a round cut sapphire of 2.10 carats and a round brilliant cut diamond of 1.54 carats, accented by further single cut diam

Vintage Platinum, Sapphire, and Diamond Ringcentering on a round cut sapphire (6mm) weighing approximately 1.1 carats set between two transitional cut diamonds weighing approximately 1.6 total carats