GIA证书,31分裸钻,G色,VS2,3EX,这颗钻怎么样?值多少钱?

GIA证书,31分裸钻,G色,VS2,3EX,这颗钻怎么样?值多少钱?
Round Brilliant
Measurements: 4.37 - 4.40 x 2.67 mm

Carat Weight: 0.31 carat
Color Grade: G
Clarity Grade: VS2
Cut Grade: Excellent
Proportions:
Depth: 60.9%
Table: 58%
Crown Angle: 33.5°
Crown Height: 14.0%
Pavilion Angle: 41.4°
Pavilion Depth: 44.0%
Star length: 50%
Lower Half: 80%
Girdle: Thin to Medium, Faceted
Culet: None
Finish:
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Clarity Characteristics:
Cloud