Jewelery retail price of 5,000 yuan (including 5000), single grain quality diamonds larger than 0.20ct (with 0.20ct), and must provide nationally recognized testing organization issued a certificate of authenticity.
Jade jewelry commodity retail price of 5000 yuan above (including 5000 yuan), the quality of diamond single grain is more than 0.20ct (including 0.20ct), must provide the identification certificate issued by the national recognized testing organizations.
Jewellery retail prices of commodities of more than 5,000 yuan (5,000 dollars), quality diamonds form particles larger than 0.20ct (0.20ct), you must provide identification certificate issued by a State-approved inspection bodies.