STEP CUT SAPPHIRE & DIAMOND RING SET IN PLATINUM

A YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an emerald cut yellow sapphire of 2.96 carats between trios of round cut diamonds, with further step cut diamonds either side, French assay mar

LADY'S YELLOW SAPPHIRE & DIAMOND, PLATINUM BAND RING :Set with: 1 emerald cut natural golden sapphire, 2.80 carats. Stone dimensions 9.9 x 7.9 x 3.3 mm. 6 bullet shape step-cut diamonds, 0.52 carats.

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an old cut diamond of approximately 1.50 carats in a double border of step cut sapphires and old cut diamonds, the band accented by fu

A SAPPHIRE AND DIAMOND RING in platinum, set with an oval cut sapphire accented by step cut sapphires and single cut diamonds, stamped PLAT, size N / 7, 6.5g.

4.94ct oval natural blue sapphire ring (GIA certified # 2171313846, also with AGL certificate - modified brilliant cut crown with modified step cut pavillion). set in platinum and surrounded by 1.85ct

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

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 in 18ct yellow gold and platinum, the circular face set with step cut sapphires and round cut diamonds, further diamonds accenting the band, stamped 18ct PLAT, size N / 7,

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold and platinum, the circular face set with pattern of step cut sapphires and round cut diamonds, further diamonds accenting the band, stamped 18ct PLAT, s

Sapphire and Carre Cut Diamond Platinum Ring, An emerald cut sapphire weighing 1.03 carats set in an antique platinum mount, marked "10% IRID PLAT", with engraved shank and carre (step) cut natural di

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.

An impressive platinum Burma sapphire ring, set with an emerald-cut sapphire weighing approximately 11.50 carats, between two step-cut diamond weighing approximately 0.30 carats. Assay marks. Weight 9

TWO ART DECO PLATINUM AND DIAMOND RINGS Both unmarked. 1) Invisibly-set with three step-cut emeralds framed by small diamonds. Size 4½. 2) Three full-cut diamonds bordered by sapphires. Size 4½. App

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.

GEMSTONE AND DIAMOND RING SET Consisting of a ring containing 15 square step cut rubies and 14 single cut diamonds, together with a ring containing 15 square step cut sapphires and 14 single cut diamo

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.

SAPPHIRE AND DIAMOND DRESS RING Set with rows of brilliant-cut diamonds, interspersed with duos of step-cut sapphires, ring size approx. N½ (leading edge)

Fourteen-Karat White Gold, Yellow Sapphire and Diamond Ring, set with a central emerald step-cut natural yellow sapphire, with an approximate weight of 5.89 carats, accented by fifty-eight round brill

Ladies 5ct Sapphire & Diamond Platinum Ring Size 6. Includes a 5.02 carat Sri Lankan cushion modified brilliant step cut natural Sapphire corundum of a transparent medium-dark slightly violetish blue

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 AQUAMARINE AND DIAMOND RING in platinum, set with a rectangular step cut aquamarine of 18.35 carats, the shoulders set with trios of baguette cut diamonds, stamped PLAT, size O / 7, 11.2g.

1.80ct Blue Sapphire, 0.26ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts a 1.80ct (approximate) square step cut blue sapphire. The sa

A green sapphire, diamond and platinum ringdesigned as a step-cut sapphire, weighing approximately 2.40 carats, framed by round brilliant-cut diamonds, between baguette-cut diamond cluster shoulders.

AN AQUAMARINE AND DIAMOND RING in platinum, set with an octagonal step cut aquamarine accented by round brilliant cut diamonds, stamped PLAT, size N / 6.75, 4.2g.