Moon Jewel - Elven

Perfect and First-Rate seem to be the same thing. These gems have no chance of failure.
==Grades==
Refining Gem	MaximumItem Level	MinimumPower Level	MaximumPower Level	Item ShopPrice/each	Notes
 	100 	+1 	+6 	 	
 	100 	+1 	+6 	 	100% success
 	100 	+7 	+12 	 	100% success
 	100 	+7 	+12 	 	
 	100 	+13 	+16 	 	
 	100 	+17 	+20 	 	
 	81-100 	+20 	+30 	* 	* Can be found in a