(c1970) A stylish natural star sapphire ring designed by Dinh Van for Cartier. The bulbous cabachon sapphire of medium -light blue color with a faint star in the center. The 18k yellow gold ring is mounted in a collet setting on a square plinth of gold- – a great bold look. Size 4.5 Measurements Height: 1 1/16″ Diameter: 5/8″ Specifications Materials/Technique: Sapphire, 18k Creator: Dinh Van , Cartier Reference: r1746