Exact Carat Total Weight:    ( Silver + Stone) 39.10 ct,   7.82 gram.
   
Shape:   Natural Cabochon green Emerald  12.00 mm x 18.70 mm. = 12.00 ct.
Color:    Dark green
Clarity:   Opaque-Translucent
Luster:    Beautiful
Treatment:   Unheated
Origin:     Zambia.
Hardness:   7.5.
Ring Size;     5.25 to 8 Adjustable Ring.
 Face Ring :   19.00 mm x 20.50 mm.

It is Beautiful  Ring made for everyday use, who loves big natural  Cabochon green Emerald stones on silver metals. 
                 

Item is in excellent condition, and it can be great gift to your daughter, yourself  or someone you love.