Opal Type : Solid Australian Dark Crystal Opal
Carat Weight : 1.03 cts
Size : 7.27 mm x 10.31 mm approx.
Color : Green Blue
Shape : Oval
Cut : Medium Dome Cabochon
Clarity : Translucent
Brightness B1 - B5 : B3.7
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N9 : N6 Dark Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal

Treatment : No Enhanced
Origin : Lightning Ridge Opal Field, NSW Australia.
---------------------------------------------------
Total Item Weight: 6.52 g
Metal Type: Silver
Metal Purity: 92.5 Sterling
Ring Size:
US 6.5 (16.9 mm)
Britain/Australia M1/2
Asia 13
Euro 52.5