Amethyst Halo Crest Ring in solid sterling silver. Size: 12.7 x 8.4 mm (0.5 x 0.33 in). Material: Sterling Silver. Total metal weight: 3.5 gr. Pear cut amethyst (9 x 6 mm) = 1 ct total. Colour: Purple. Stone cut: Pear Cut. Occasion: Wedding, Formal Dress, Mother's Day. Anniversary: 6th Anniversary. Birthstone: February.