This particular simulated amethyst stone measures 15mm x 12mm and is set in solid sterling silver, is stamped 925, and weighs 13.5 grams on the scale. I love the distinct 8-claw design surrounding the stone, and the detailed beading throughout the shank. It was totally hand crafted in India and has been sized to just under 10.5. At this price, it will make some man very happy!