An 18K white gold pendant set with a pear shape aquamarine and a halo of round diamonds. Gemological Institute of America (GIA) Report #1152677482 describes the aquamarine as Natural Beryl.
Metal: 18K White Gold
Gemstone: Aquamarine: 87.89 carats, GIA #1152677482
Gemstone: Diamonds: ~0.75 carats