Shande Emerald Live Room buys emeralds from different channels, such as raw stones, processing plants and wholesale markets. If the goods are purchased from reliable sources, the authenticity of the goods is usually more secure. Shande Emerald Live Studio provides an appraisal certificate to prove the quality and authenticity of its products. The appraisal certificate is issued by an authoritative appraisal institution, such as the Jewelry and Jade Quality Supervision and Inspection Center.