16.59ct Quilpie Black Boulder Opal | #E230 Garnet average top coral measurements: 6

average top coral measurements: 6

Australia Shape Oval Dimensions (millimeters) 23

36mm (white melee/pie crust)

top of ring width: 23

71g Dimensions (millimeters) 11

16.59ct Quilpie Black Boulder Opal | #E230 Garnet average top coral measurements: 6Your browser does not support the video tag. Weight (carats) 16. 59 carats Origin Quilpie region, Queensland, Australia Shape Freeform Cabochon Dimensions (millimeters) 20. 51mm x 15. 32mm x 4. 70mm thick Dimensions (inches) 0. 80" x 0. 06" x 0. 19" thick Body Tone (+N1 to N9 ) N2 Brightness ( 1 to 5+) B2. 5 Predominant Colors Blue (slight green) Directionality of Fire Highly Directional Treatments Enhancements None Suggested Purpose Ring Pendant Sku