4.36ct Koroit Boulder Opal | #E129

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Koroit Boulder Opal Weight (carats) 4.36cts Origin Koroit, Australia Shape Oval Dimensions (millimeters) 12.02mm x 9.58mm x 4.47mm Dimensions (inches) 0.5" x 0.4" x 0.2" Body Tone (+N1 to N9-) N/A - Boulder Brightness (-1 to 5+) B3 Predominant Colors Green-Blue Directionality of Fire Somewhat Directional Treatments / Enhancements None Suggested Purpose Ring Sku Number #E129 Additional Notes None Show more