Amethyst Threader Earrings handcrafted in solid gold. Four genuine amethysts total 2.5 ct for both earrings combined. Briolette cut. Size: 4.1 x 47.8 mm (0.16 x 1.88 in). Material: 9ct Gold. Total metal weight: 0.9 gr. 4 briolette cut amethysts (5 x 3 mm) = 2.5 ct total for pair. Colour: Purple. Stone cut: Briolette Cut. Anniversary: 6th Anniversary. Birthstone: February.