CTH:YAG, 6.89 cts. 11.9 x 10.1 mm, Trillion

This 6.89-carat CTH:YAG (Chromium, Thulium, and Holmium doped Yttrium Aluminum Garnet) is cut in Marco Voltolini's "Tribal" design, with frosted facet junctions added across the pavilion that trace a crisp starburst through the stone's face. CTH:YAG is a lab-grown crystal with exceptional clarity and a vivid tsavorite-like green — a pure green with no yellow or brown undertones, and a color this saturated simply doesn't come at this price in a natural stone. At 11.9 x 10.1mm, it's a bold, eye-catching triangle with crisp meetpoints and a fine 60,000-grit diamond polish.

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