GEM ID:   597 Gem Type:   Spinel Color:   Blue Variety:   Cobalt Weight cts:   0.60 Pieces:   1 Shape/Cut:   Oval Measurements mm:   5.0 x 4.5 x 3.6 Origin:   Ceylon Code:   N Description:   Electric intense peacock blue, eye clean, well cut, color shifts to purplish blue under incandescent Total Price:   $660