The GL 3100 Grader unit is used by grading labs, manufacturers, and internet retailers for grading stones on gauging, color, fluorescence, light behavior and symmetry. This instrument is fully automated and works at the touch of a button. This is the first integrated diamond grading system available in the world. The system scans a diamond and grades on gauging, color, fluorescence, light behavior, symmetry, and cut.
Direct measurement of light behavior for cut and appearance
grade is currently available for round brilliant, marquise and princess shapes,
branded cuts and other shapes are available on request.
The following direct measurements are made at the
- Table depth
- Girdle Thickness (min/max/average)
- Girdle Perimeter
- Table Size
- Crown / Pavilion Angles
- Culet width
- Symmetry – axial, table, girdle
- Cycle time is 3 minutes and 45 seconds per stone.
- Production capacity is 2400 stones per month.
- Repeatability : ± 0.005mm with 2 Sigma probability for
linear measurements for all sizes except for table. Repeatability for angles
depends on size of stone.
- Color: 1/3rd grade
- Fluorescence ± 0.03 on C.I.E. (Commission
Internationale L’ Eclairage, France) XYZ scale.
ImaGem Diamond Grading Report
For an appointment contact our office in Surat or you may contact us using the following address:
ImaGem Technologies Pvt. Ltd.
Office # 5, 3rd Floor, Amardeep Bldg.,
Moti Sheri, Galemandi Mahidharpura
, Surat – 395003, INDIA
Tel:+91-261-2401044 Email: firstname.lastname@example.org