18K white gold Lisette double halo with split shank green tourmaline ring. The unheated cushion cut apple green tourmaline weighs 14.81ct. The country of origin is Afghanistan. There is a double split shank. There are 136 round diamonds set in the halo and split shank weighing1.43ctw. The diamonds are G-H in color and VS in clarity. The ring is a size 6.5