Aquamarine and diamond necklace, the emerald cut aquamarine weighing 50.64 carats is claw set in an openwork surround of geometric design set with round brilliant and baguette cut diamonds, to an omega chain, mounted in 18ct gold. Accompanied by GSL report numbered AA44410, dated 26 May 2009, stating that the 50.64 carat gemstone is natural beryl - variety aquamarine.