Yes According to the inquiry of Ding Yu Jewelry official website, the jewelry in Ding Yu Jewelry Live Room is officially authorized products, which can be returned for seven days without reason, and all products have relevant appraisal certificates. Ding Yu Emerald Jewelry Co., Ltd. was established on 2014-10-31. The licensed business items are the production, processing and sale of jewelry, diamonds, jadeite, pearls, semi-precious stones, jade articles, ornaments, silver ornaments, platinum and gold ornaments and handicrafts.