Earthsiege Diamond

The Earthsiege Diamond is used by Jewelcrafters to make various cut gems.

Source
This gem can be transmuted by an Alchemist of at least 425 skill. It is then cut by Jewelcrafters into various Northrend Meta Gems.

Jewelcrafting

 * Austere Earthsiege Diamond
 * Beaming Earthsiege Diamond
 * Bracing Earthsiege Diamond
 * Eternal Earthsiege Diamond
 * Insightful Earthsiege Diamond
 * Invigorating Earthsiege Diamond
 * Persistent Earthsiege Diamond
 * Powerful Earthsiege Diamond
 * Relentless Earthsiege Diamond
 * Trenchant Earthsiege Diamond