Artisan Turquois & Freshwater Pearls and Sterling Necklace 15 & 1/4 inches

Artisan Turquois Freshwater Pearls and Sterling Necklace 15 & 1/4 inches This is a beautiful necklace. Stones are large in size and have great weight to them adn are cool to the touch. . See pics for measurements Necklace weighs 7.1 oz. This was my mothers personal necklace. May be vintage. Just don't know. 15.4 inches long not counting the clasp.