This is a cute botanical style retro Japanese akoya saltwater cultured pearl ring.

The pearl is 6.50mm round. It has good luster with rosy overtones and white/cream color. 

It is set in solid sterling silver claw prongs with two leaves surrounding the pearl. It is stamped "SILVER". US size 6 1/4. Japan 1950's-1960's.

All pearls are truly vintage and have only been lightly cleaned. Some tarnish and patina on metal.