Exact Carat Total Weight:    ( Silver + Stone)   25.35 ct,       5.07 gram 
Shape:          Natural Mexico Yellow Opal.  15.9 mm x 13.2 mm = 7.50 ct  
Color:            Multi-Color 
Clarity:          VVS
Luster:           Beautiful
Treatment:     Natural Unheated
Origin:           Mexico 
Hardness:      6.0
Ring Size;       6.5
Face Ring :   16,0 mm x 19.0 mm.
Retail  Value:  750$