This is a beautiful 10mm AAA grade genuine amethyst cabachon stone. Set in solid 14k gold. Available in ring sizes 6,7, and 8. Make a sophisticated ultraviolet statement with this large yet simple cocktail ring. (note, although all amethysts on these rings are AAA grade and quite a lovely deep rich purple, colors can vary from stone to stone and may not look exactly like the one pictured.) 10mm Amethyst Ring