as alraedy stated few times here before anything else you need to be def capped. so get rid of your dodge trinkets and grab def rating trinkets - like the seal of the pantheon. (you could also use DEF rating elixiers - from what i remember its +45 defense rating). and ofc before dodge/stam replace your gems with def/stam if you still not @ cap. you are at 531 atm - so its not that far anyway isnt it?. if you want to go further ... maybe dropp enchanting for JC. Bonus JC gems are pretty cool, and ench gives you on both rings +24 stam ... no big deal.
hope it helps