4.59ct Lightning Ridge Australian Semi-Black Opal | #E268 Birthstone - Loose believed to have formed 4

believed to have formed 4

era: 1940's

The Setting: Custom Bezel Set Men's Solitaire Euro Shank Ring

The Center Stones: Natural Crystal Fire Opal

total weight including cord: 76

4.59ct Lightning Ridge Australian Semi-Black Opal | #E268 Birthstone - Loose believed to have formed 4Rectangular Cabochon Lightning Ridge Opal Weight (carats) 4. 59 carats Origin Lightning Ridge, NSW, Australia Shape Rectangular Cabochon Dimensions (millimeters) 17. 77mm x 9. 26mm x 4. 39mm thick Dimensions (inches) 0. 50" x 0. 36" x 0. 17" thick Body Tone (+N1 to N9 ) N6 Brightness ( 1 to 5+) B5 Predominant Colors green overtones with blue, orange, and yellow undertones Directionality of Fire Highly Directional Treatments Enhancements None Suggested