Some diamond polishers have achieved a GIA grading of Fancy Red for a diamond by re-polishing a Fancy Deep Pink diamond .
This is very hard to accomplish and has only been successfully completed less than a handful of times .
Some diamond polishers have achieved a GIA grading of Fancy Red for a diamond by re-polishing a Fancy Deep Pink diamond , although this is very hard to accomplish and has only been successfully completed less than a handful of times .