NGTC identification certificate. NGTC is one of the top international laboratories accredited by Catawiki. Certified items can ensure the accuracy, fairness, and traceability of products. Digital certificate link: https://ecard.ngtc.com.cn/page/detail-cer-other?c=ZYTD797089&v=08045659 Weight: 5.75g Colour: Green Size: 33*21*10mm Natural nephrite carved water droplet shaped pendant carved from .Jade is pure and has a beautiful color.