Certified Jadeite Carving - NGTC Certificate 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=S-TLZB45272&v=96894704 Total Weight: 6.834 gr Light and magnification were used in the photos to display. Color may differ slightly due to lighting, and monitor setting. Ship Via - Registered Post service, EMS, etc. Any extra expenses due to your country's customs office will be responsibility for the buyer.