This is a vintage high quality Japanese akoya saltwater cultured pearl necklace.

The pearls range from 3.25-7.50mm and are graduated. They are round with excellent luster and bright rosy overtones. The have minimal blemishes. Nice quality strand.

Clasp is in solid white gold and has a floral filigree design. It is stamped "14K".  Total length is 20.25 inches. From mid-century. 

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