15.39ct Koroit Boulder Matrix Opal | #E174 Amethyst this collector's marquise cut gem

this collector's marquise cut gem measures almost an inch in length

Handmade sterling silver rope bezel turquoise ring

fluorescence: moderate

cut: pear shaped cabochons

82ct Origin Lightning Ridge

15.39ct Koroit Boulder Matrix Opal | #E174 Amethyst this collector's marquise cut gemKoroit Boulder Matrix Opal Weight (carats) 15. 39cts Origin Koroit, Australia Shape Freeform Dimensions (millimeters) 17. 59mm x 12. 73mm x 6. 80mm Dimensions (inches) 0. 7" x 0. 5" x 0. 25" Body Tone (+N1 to N9 ) N A Boulder Matrix Brightness ( 1 to 5+) B3. 5 Predominant Colors Blue Directionality of Fire Slightly Directional Treatments Enhancements None Suggested Purpose Ring Pendant Sku Number #E174 Additional Notes None