How to Read a Jade Certificate: A Buyer's Guide

A jade certificate from a reputable laboratory is your assurance of authenticity. Here is how to read and understand what each section means. Certificate Number: Every certificate has a unique identification number that can often be verified online. Species Identification: Confirms whether the stone is jadeite or nephrite. Treatment Declaration: The most critical section. Look for 'Natural Jadeite Jade' or 'Type A' meaning no treatment applied. Weight: Usually given in carats (1 carat = 0.2 grams) or grams. Dimensions: Measured in millimetres, important for bangles (inner diameter) and cabochons. Colour Description: Labs use standardised colour descriptions. 'Imperial Green' indicates the most valued vivid green colour. Transparency: Ranges from transparent to opaque. Semi-transparent to translucent jadeite with fine texture commands the highest prices. Always verify your certificate through the issuing laboratory's website when available.