Mid Century Bypass Solitaire Japanese Saltwater Akoya Cultured Pearl Vintage Ring- Sterling Silver Sz 7 1/2This is a lovely mid century modern Japanese akoya saltwater cultured pearl & sterling silver bypass ring. The pearl is 8. 00mm round. It has good luster with bright rosy overtones. It is set into a bypass setting. It is in solid sterling silver and stamped "SILVER". From Japan, 1950's 1980's. It is a size 7 1 2. All pearls are truly vintage and have only been lightly cleaned.