A SAPPHIRE AND DIAMOND CLUSTER RING set with an octagonal step cut sapphire of approximately 2.80

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.

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

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 AND DIAMOND CLUSTER RING in yellow gold, set with an oval cut sapphire of approximately 1.09 carats in a cluster of rose cut diamonds, no assay marks, size I1/2 / 4.5, 2.4g. 

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

AN EMERALD AND DIAMOND CLUSTER RING in yellow gold and platinum, set with an octagonal step cut emerald of approximately 2.95 carats in a cluster of single cut diamonds, stamped PLAT, size Q / 8.25, 4

A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut sapphire of approximately 4.11 carats in a cluster of round brilliant cut diamonds all totalling 1.4-1.6 carats, stamped 18

SAPPHIRE AND DIAMOND CLUSTER RING, in 18 ct. gold. Set with a central octagonal cut blue sapphire of approx. 6.70 ct. surrounded with diamonds totalling approx. 0.36 ct. Size L 1/2. 4.5 grams.

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING in yellow gold and silver, set with an oval cut sapphire of approximately 1.29 carats in a cluster of old cut diamonds, no assay marks, size N1/2 / 7, 2.6g

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

An 18ct gold sapphire and diamond cluster ring, An 18ct gold sapphire and diamond cluster ring, an oval mixed cut sapphire, approximately 5.40mm x 8.00mm, claw set to the centre of a surround of round

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

An Art Deco diamond and sapphire cluster ring, the central square, step cut sapphire in millegrain mount to open work Greek key oval frame, set throughout with tweleve old brilliant cut diamonds in sq

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 YELLOW SAPPHIRE AND DIAMOND RING in platinum, set with an octagonal mixed cut of approximately 4.00 carats, the stepped shoulders set with round brilliant cut diamonds, stamped PLAT, size O / 7, 4.4

White Gold, Sapphire, and Diamond Ringdesigned in a bouquet cluster motif set with oval cut sapphires weighing approximately 3.10 total carats and with single cut round diamond melee weighing approxim

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.

A SAPPHIRE AND DIAMOND RING, CIRCA 1930 in yellow gold, the navette face set with a step cut sapphire in a cluster of old cut diamonds, no assay marks, size N / 6.5, 3.2g.

An early to mid 20th century yellow metal, diamond, and pink sapphire ring, set with a mixed marquise-cut sapphire within a border of round-cut diamonds, ring cluster approximately 11 x 8 mm, indistin

A SAPPHIRE AND DIAMOND CLUSTER RING The cushion-shaped sapphire weighing 5.70cts set in a four-claw setting within a brilliant-cut diamond frame, mounted in 18K gold, diamonds approximately 1.20cts, r

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

AN EMERALD AND DIAMOND CLUSTER RING set with an octagonal step cut emerald in a cluster of round brilliant cut diamonds, no assay marks, size Q / 8.25, 6.0g.