5.50 Carat Rose De France Amethyst Ring With Amethysts and White Topaz In Sterling Silver. Size 9 - Boldly scaled and full of sparkle, this statement ring features a 5.50 carat Rose de France amethyst in a medley of 1.50 ct. t.w. deep purple amethysts and .50 ct. t.w. white topaz. Sterling silver setting with diamond accents.