This is a sterling silver (pendant tested sterling, chain stamped 925, ITALY) amethyst pendant and chain necklace. Not including the bale (has 3/32" opening), the pendant measures a bit over 3/8" in diameter. It has been prong set with a faceted, round medium purple amethyst. The cut, color and clarity are all excellent. The stone measures 10 x 10 x 6 mm. It weighs approx. 3 carats. The sterling rope chain measures 21" long and 1/16" wide. It has a round spring clasp. The total weight of the necklace is 4.9 grams. This is a beautiful necklace that's in excellent, like-new condition. You will be completely satisfied, or we will gladly refund your money. With us, you can buy with confidence. If you have any questions, please feel free to ask. Please view our other items for sale also. Thanks very much!