This Tahitian Black Pearl measures 8.5mm in size, is spherical in shape, green peacock in color, thick nacre and excellent luster. Mounted on 18kGP white gold ring. The shining deco around the pearl are Cubic Zirconia. All of my Tahitian pearls come from the remote South Sea Islands of Tahiti, they are hand picked. Please note your ring size under "COMMENTS" at check out process