AN AQUAMARINE AND DIAMOND CLUSTER RING in platinum, set with an oval cut aquamarine of 3.50 carats

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with an oval cut aquamarine of 4.68 carats in a border of old cut diamonds, the diamonds all totalling 1.7-1.9 carats, stamped 18ct, siz

Aquamarine and Diamond Ring. Set in shiny, durable platinum, this 3.70 carat oval-cut, genuine aquamarine, rises above .71 carats of round, brilliant-cut and baguette, G-I color, SI1-SI2 clarity diamo

AN AQUAMARINE AND DIAMOND CLUSTER RING set with an oval cut aquamarine within a cluster of round brilliant and baguette cut diamonds, stamped 18CT, size O / 7, 3.5g.

AN AQUAMARINE AND DIAMOND RING set with an oval cut aquamarine of 1.60 carats between two round brilliant cut diamonds, the diamonds both totalling 0.3-0.4 carats, stamped PLAT, size O / 7, 4.0g.

An aquamarine, sapphire and diamond cluster ring claw-set with an oval-cut aquamarine, in a border of round brilliant-cut diamonds, each shoulder set with a heart-shaped sapphire, to a plain band, sta

A VERY FINE ALEXANDRITE AND DIAMOND CLUSTER RING in platinum, set with an oval cut alexandrite of 1.18 carats in a cluster of round brilliant cut diamonds, the stylised shoulders set with further roun

A YELLOW SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cut yellow sapphire of 2.50 carats in a cluster of round brilliant cut diamonds, further diamonds accenting the shoulders all t

AN 18 CARAT GOLD AQUAMARINE AND DIAMOND CLUSTER RING, an oval-cut aquamarine within a border of round brilliant-cut diamonds. Estimated total diamond weight 0.55ct, hallmarked London 2021, ring size N

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.

AQUAMARINE AND DIAMOND DRESS RING, HIRSH in platinum, set with an emerald cut aquamarine of 1.72 carats, accented by two round cut diamonds, signed Hirsh, full British hallmarks, size L / 5.5, 5.4g.

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut ruby of 1.42 carats within a border of round cut diamonds, stamped 18ct & Plat, size M / 6, 2.5g. Accom

AQUAMARINE AND DIAMOND RING in platinum or white gold, set with a trio of cushion and oval cut aquamarines accented by diamonds, unmarked, size P / 7.5, 10.5g.

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a cushion cut aquamarine of 2.00 carats, in a cluster of round brilliant cut diamonds, British hallmarks, size M / 6, 5.7g.

AN AQUAMARINE AND DIAMOND CLUSTER RING in 18ct white gold, set with an emerald cut aquamarine of 3.71 carats in a border of round cut diamonds totalling all 0.11 carats, stamped Au750, size O / 7, 4.0

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

Massive 2.50 carat cushion cut aquamarine set in platinum flanked by .30 CTTW of brilliant cut white diamonds. Marked "VC" and "Pla". Size 5.5 and weighs 11.85 grams.

AN AQUAMARINE AND DIAMOND CLUSTER RINGThe oval cut aquamarine within a surround of brilliant cut diamonds, approximately 0.42 carats total, to bifurcated shoulders, the shank stamped 18ctSize/dimensio

Platinum, Aquamarine, and Diamond Ringa prong set, emerald cut aquamarine weighing approximately 15.29 carats with a round brilliant cut diamond on either side with a total combined weight of approxim

A BURMA NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING in platinum, set with an oval cabochon sapphire of 7.44 carats in a double border of old cut diamonds, the diamonds all totalling 1.4-1.5 carats, full

An aquamarine and diamond ring, the central oval cut aquamarine claw set within a surround of brilliant cut diamonds, approximately 0.65 carats total, finger size K

AN ART DECO AQUAMARINE AND DIAMOND RING in platinum or white gold, the emerald cut aquamarine of 5.10 carats between diamond set shoulders, unmarked, size P / 7.75, 4.2g.

A Platinum, Aquamarine and Diamond Ring, containing one oval mixed cut aquamarine measuring approximately 12.18 x 9.53 x 5.78 mm and two octagonal step cut diamonds weighing approximately 0.90 carat t

Retro Platinum, Aquamarine, and Diamond Ring

Aquamarine and Diamond Ring.  The 1.81 carat cushion-cut, genuine aquamarine is prong set in a platinum ring with .56 carats of round, brilliant-cut, F color, VS2-SI1 diamonds in the halo and cro