Aquamarine and diamond cluster ring, circa 1950.

Aquamarine and diamond ring. Set to centre with an oval mixed scissor cut natural aquamarine in an open back claw setting with an approximate weight of 12.00 carats, flanked by twent...

Vintage aquamarine and diamond cocktail ring. Set with a rectangular step-cut natural aquamarine in an open back split corner claw setti...

Aquamarine and diamond solitaire ring. Set to center with an octagonal emerald cut natural aquamarine in open back claw settings with an approximate weight of 38.65 carats, flanked b...

Art Deco aquamarine and diamond ring. Centrally set with an octagonal scissor cut natural aquamarine in an open back claw setting with an approximate weight of 16.30 carats, further ...

A lavish 3.00 carat oval-shaped aquamarine splashes blue from its rub over mounting. It is set within a twinkling wreath of round brilliant cut diamonds, which have a total weight of...

A pale blue Aquamarine is enveloped by diamond in this wonderful 1960s cluster ring. The Aquamarine is an asscher cut stone weighing 0.80 carat. Rub over set into platinum the beauti...

A stunning, fine and impressive 3.68 carat aquamarine and 0.90 carat diamond, platinum cocktail ring; part of our diverse gemstone jewelry and estate jewelry collections. This stunning, fine and impressive aquamarine ring has been crafted in platinum. The pierced decorated setting displays a central 3.68Ct oval faceted cut aquamarine, four claw set in subtle relief to the centre. The aquamarine is flanked on either side by three millegrain decorated collet set baguette cut diamonds, in a tiered array. The ring is ornamented with ten further Old European round cut diamonds, bordering the upper and lower portions of the feature stone. The pierced, millegrain decorated shoulders are each accented with three further Old European cut diamonds and cuff design, which melds seamlessly with the plain ring shank. This cocktail ring has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum. This platinum aquamarine ring...

Circa 1960s, 18k, Switzerland. Set with a gorgeous 7.50-carat vivid blue aquamarine accented by .50 carats of fine white diamonds (H color, SI1 clarity), this sixties ring is vintag...