If you can’t find it on the official website, it is definitely fake, and the place of origin cannot be Shenzhen, Guangdong. Although Shijia crystal is not natural, why is Shijia crystal so expensive? In terms of his cutting craftsmanship, and the cutting masters of the Shi family are all hereditary.

Look at the last page of the certificate. There should be the purchase date (warranty within two years from the date of purchase) and Item number (usually handwritten), and then check it against the item number on the official website. If it’s not there yet, don’t think about it, it’s definitely a fake.