Gemological Research Association Certificate
- **Basic Information**: Gemstone weight, size, color, clarity
- **Special notations**:
- Synthetic stones are marked “Laboratory Created”.
- The 4C grading standard is similar to that of the GIA (but less stringent).
Contact: Tina Liang
Tel: + 86 13471400192
E-mail: Tina-Liang@redleafjewelry.com
WhatsApp:+8613471400192
Address: Changzhou district, Xinlong Street,Xinxing 2 road,No.137 Jewelry Building. 3 Floor Wuzhou City, Guangxi province,