16.86ct Koroit Boulder Opal | #E81 Kyanite A Patterned Koroit Boulder Opal

A Patterned Koroit Boulder Opal Ring with a Diamond Halo

is known to produce some of the finest quality ruby available on the market

1 faceted oval cut

average earring width: 9

double latch safety clasp

16.86ct Koroit Boulder Opal | #E81 Kyanite A Patterned Koroit Boulder OpalKoroit Boulder Opal Weight (carats) 16. 86cts Origin Koroit Mining District, Australia Shape Freeform Oval Dimensions (millimeters) 36. 75mm x 10. 23mm x 6. 18mm Dimensions (inches) 1. 4" x 0. 4" x 0. 25" Body Tone (+N1 to N9 ) NA Boulder Brightness ( 1 to 5+) B3. 5 Predominant Colors Blue Purple Directionality of Fire Nondirectional Treatments Enhancements None Suggested Purpose Pendant Bracelet Ring Sku Number #E81 Additional Notes None