18ct white gold 025ct diamond 990ct aquamarine pear drop necklace pw 0564 aq this sublime necklace features a huge 990 carat oval aquamarine which showcases the beautiful ice blue colour for which this highly prized gemstone is famous held by a claw setting in 18 carat white gold this rare gemstone is suspended from a brilliant cut claw set diamonds which continue onto the bail above the 18ct white gold chain is 18 inches long a standard length for most necklines aquamarine 990ct diam