STG1120

Carat Weight	1.27 ct
Edge Features	< 0.2 mm
Length	12.0 mm
Side 1, Roughness	Ra polished, Ra < 5 nm(Ra value of customized products can be 0.5 nm)
Side 2, Roughness	Ra lapped, Ra < 250 nm
Thickness Tolerance	±0.06-0.07 mm
Thickness Dimension	0.5 mm
Width	12.0 mm