GRS is a gem appraisal institution founded by Dr. A.Peretti, a Swiss gemologist. Can independently issue test reports. Mainly used to detect the world's major gems, such as rubies, sapphires, emeralds, golden green cat's eyes and so on. GEMRESEARCH Swiss laboratory.

GRS enjoys a high appraisal reputation in the Asia-Pacific region and is one of the three largest laboratories in Switzerland. We cooperate with SSEF and Gubyrin Laboratories to provide business appraisal services for the world's top jewelry auction companies all the year round.

Characteristics of GRS certification

1, elimination of processing AIDS containing harmful chemicals, sewage treatment management, energy saving, emission reduction and environmental protection.

2, the implementation of labor and employment protection and other laws and regulations.

3. Environmental sanitation.

4. Corporate ethics is also under strict scrutiny. In the review process, document verification, on-site confirmation and employee question and answer are carried out in strict accordance with the project list one by one; After the review, the unqualified parts shall be improved and perfected, and the GRS certificate shall be issued after meeting the certification requirements, and a strict annual review shall be conducted every year thereafter.

Please refer to Baidu Encyclopedia -GRS for the above contents.