1.63 Emerald Cut Aquamarine Necklace in 14K White Gold.  This chic 16” necklace features a 1.63 carat sky blue aquamarine set on a modern chain link necklace of 14 karat white gold. The rectangular aquamarine dangles softly from the interesting white gold chain necklace. The piece has a comfortable to wear weight of 4 grams. Structured and stylish, this aquamarine necklace would make a fabulous gift for any loved one!