Material use 100% NATURAL GRADE A Jadeite, 9-13mm wide and 5-8mm thick, Slim Bracelet About 5mm diameter (+-0.5mm depending on ring size) Exquisite polishing process, no cracks, no scratches. Due to the natural property of the jade, each of them might have difference. VALUABLE and SAFE-TO-WEAR: Jadeite Grade a Means the Jade is natural, Not Treated by Chemicals Jade is said to possess a loving and captivating energy that may even bestow good luck upon its wearer. Its sublime simulated green jade color will add mystical charm look with this stackable continuous eternity band ring. Our jewelry is individually inspected before shipping. We offer affordable jewelry with great customer service.