Large Taupe colored Zircon from Singida Tanzania. Unheated and completely natural . Before the invention of synthetics like Moissanite- Zircon was used as a diamond simulant due to Zircons high refractive index. This will facet a fire cracker
8.833 grams / 44.165 carats / 21 x 16 x 11 mm / eye-clean or better
Estimate: $445 - $475