4.37ct Koroit Boulder Opal | #E204 Goldstone A High-Cut Black Crystal Opal

A High-Cut Black Crystal Opal Ring

Agate jewelry can safely be put into chemical and ultrasonic cleaners

The Setting: Cast Prong and Channel Set Ring

play of color description: full color spectrum visible

The Setting: Freeform Bezel Set Ring

4.37ct Koroit Boulder Opal | #E204 Goldstone A High-Cut Black Crystal OpalKoroit Boulder Opal Weight (carats) 4. 37cts Origin Koroit Mining District, Queensland, Australia Shape Freeform Dimensions (millimeters) 17. 56mm x 10. 08mm x 3. 81mm Dimensions (inches) 0. 7" x 0. 4" x 0. 2" Body Tone (+N1 to N9 ) NA Boulder Brightness ( 1 to 5+) B3. 5 Predominant Colors Green Blue Directionality of Fire Slightly Directional Treatments Enhancements None Suggested Purpose Pendant Ring Sku Number #E204 Additional Notes None