The Largest Rough Ruby Crystal within the World

This distinctive specimen is among the world’s largest recognized tough ruby gems. This distinctive single pure ruby crystal weighs H.P lbs. or 18,696 carats. The ruby is semi-translucent to opaque and accommodates rutile, which can create a six-ray star if reduce en cabochon. The crystal shows a robust pink fluorescence when uncovered to lengthy-wave ultraviolet mild. It measures 122.4mm x 112.3mm x 133.9mm.

The ruby is recognized in GIA Report 15171991.
Credit: Ruby