There is a way to make something similar using the Exeter cruiser plus some parts from the other cruisers(Connie/Vesper/Excalibur) but I can't remember the exact set up off the top of my head. I think the STOwiki page for the Exeter class lists the parts and hull pattern/color to use to get as close to the JJprise as possible.
Why would you want that in a CANON time line game!!!!!!
Plus I don't want that joke of a ship anywhere near the last true trek environment
I'm sorry did you just say that......In a a game where Federation players are flying around in Cardassian, Ferengi, hell, even Dominion ships, grinding for bits of Dilithium, while min/maxing bug ships for PvP and the endless grinding for stuff. Keys, Lobi Crystals, and store after store of crap, with only the new content of any worth being locked behind a luck based pay wall called a Lockbox.
Sorry, this place stopped being Trek a LONG time ago.