Crystal Perfume Bottle Oleg Cassini Prism Large Diamond Shape This perfume bottle has a crystal cut design that is hand sculpted with pure lines and a sleek appearance The bottle seals to keep your favorite scent secure with no evaporation. Provides an elegant gift for that special someone or the perfect addition to your vanity. Oleg Cassini crystal is"non lead" crystal made from K9 optical crystal. K9 is the highest quality optical crystal available. This crystal piece has a permanent Oleg Cassini signature hallmark.