Natural Ruby 4 ct Ring with Dia. Size 6

Nautral Ruby 4 ct ring with 3 small diamonds on each side (0.13 carats) setting is solid 18k white gold. Ring size is 6. Carats of the Ruby and Diamond are engraved on the ring, comes with certificate in Japanese. Ruby is deep Red color, all natural. The stone wiggles a little, 1 prong needs to be pressed further.