• Design: Relentless Earthstorm Diamond
• Item Level 73Disenchants into:
  Not disenchantable
• Binds when picked up
• Requires Jewelcrafting (365)
• Requires Consortium - Exalted
• Teaches you how to cut a Relentless Earthstorm Diamond.
• [Relentless Earthstorm Diamond]
• Requires Earthstorm Diamond (1)
• Vendor 3

Source

This item is a reputation reward; you must be exalted with the The Consortium to buy it from the following vendors for 12:

• Karaaz <Consortium Quartermaster> in Netherstorm
• Paulsta'ats <Consortium Quartermaster> in Nagrand

Patch changes

Patch 2.1.0 (22-May-2007): Added. 

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB