I have stamped using KleanColor Metallic Purple with my Jumbo Knock Off of Konad Plate using a design from row M75 and topped with Seche Vite.
|Left Hand under normal light|
|Right Hand under normal light|
|Dont Call Me Sugar And Metallic Purple|
|Right Hand under high watt light|
|Left hand under high watt light|
This stamp almost looks like a water marble I bet if you used multiple colors it would sort of look like a water marble. So might try that to see if it works out in the future.