This is a lustrous Japanese akoya saltwater cultured pearl grape cluster pendant.

The pearls measure 5.50-7.00mm round and have fantastic luster with rosy overtones. They are a white color. It is surrounded by textured leaves. 

It is made of solid sterling silver and is stamped "STERLING". It measures 1 3/8 inch total including the bail. From the 1940's-1980's.

All pearls are truly vintage and have only been lightly cleaned.