Freshwater cultured pearl necklace , Designed by Barbara LOUYS JEWELRY The By B. collection takes us into a world of luxury and elegance, with jewelry created from carefully selected genuine freshwater cultured pearls and 925 thousandths rhodium-plated silver. Necklace made of 8 mm freshwater cultured pearls, 47 cm long, mounted on a 925/000 rhodium-plated silver clasp and equipped with a rallion chain. equipped with a 4 cm rhodium-plated silver extension chain, delivered to your home.