China’s General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ) has released several gemstone standards, namely:
- GB / T 32862-2016 Sapphire Rating
- GB / T 32863-2016 Ruby Rating
These voluntary standards are included in the newly released national standards under the Annex, announced on September 6, 2016. They will take effect on March 1, 2017.