The Runed Ring of the Kirin Tor is one of the upgradeable Kirin Tor rings. It is gained by trading an and 1,250 (at Neutral Kirin Tor reputation) to <Jewelry Vendor> in Dalaran. At Exalted, you only need 1,000.
While there is no current upgrade available for this ring, there may be later.
Patch 3.3.0 (08-Dec-2009): Added.