0.72 Ct. Cabochon White Opal from Australia

This White Opal from Australia is a translucent, multi color specimen, weighing 0.72 carat and presenting in a classic oval outline, with dimensions of 8.08 by 5.98 by 2.76 mm. The gem is shaped as a cabochon cut, featuring a well controlled dome and balanced proportions that optimize internal light transmission and the display of play of color. Clarity is graded eye clean at normal viewing distance, the color intensity is medium, and the surface shows an excellent polish, all of which indicate careful lapidary work and an absence of surface modifying treatments. There is no enhancement, the material is natural and untreated, and the opal exhibits the characteristic hydrated silica microstructure responsible for diffraction based color effects, with green and blue flashes dominant and occasional warm hues observed at certain angles, a distribution that benefits from the translucent body tone and moderate dome height.

The cutting and finishing approach emphasizes stability and versatility for setting, the 2.76 mm depth provides sufficient thickness to resist chipping while maintaining a pleasing profile for rings and pendants, and the even curvature reduces windowing while preserving vibrant color flashes across different orientations. The cabochon shows tight symmetry, smooth transition from crown to girdle area, and a mirror quality polish that enhances both wetted luster under diffused light and crisp reflections under direct light. Sourced from Australia, this White Opal is representative of material prized for consistent translucency and subtle base tone, making it suitable for collectors and designers who value color dynamics and natural provenance. The Natural Gemstone Company stands behind the specimen with clear disclosure of origin and treatment status, providing a gem that combines technical execution in cutting with the intrinsic optical properties of opal. For clients requiring additional imaging or angle specific observations for setting considerations, we can supply supplementary photographs and measured reports upon request.