Mikimoto Bypass Designer Vintage Japanese Saltwater Akoya Cultured Pearl Ring- 14K Yellow Gold Sz 7 3/4This is a lovely authentic Mikimoto designer Japanese saltwater akoya cultured pearl bypass ring. The pearls are 7. 25mm round. They have great luster with rosy pink overtones. They are set in a swirling design. It is set in solid 14K yellow Gold. It is stamped "M" in a clamshell for Mikimoto and "K14" for solid 14K gold. US size 7 3 4. From mid century Japan. All pearls are truly vintage and have only been lightly cleaned.