Nile no Mehyō

The Nile no Mehyō (ナイルの女豹, Nile's Woman or Woman of the Nile) is the world's largest diamond in Mutant Turtles Gaiden continuity. explains that it's estimated to be 154 carats. It is located at High Pressured Curbon, and Shredder takes, , and his new to steal it. The and  arrive to stop them, and although the Turtles beat their robotic dopplegangers, Shredder escapes with the diamond.