This is a stunning example of a classic Japanese Blue akoya saltwater cultured pearl necklace. The pearls are 6.00-7.50mm and are baroque with excellent luster and nice rosy overtones. The have minimal blemishes and are a bright blue in color. 

Clasp is filigree style and is quite detailed. 14K white gold. Small Diamond on the clasp. Stunning mid-century piece. Total length is 15.50 inches. It is a choker.

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