I'd also recommend maxing out your professions, enchanting your cloak with 225 armor and your gloves with 240 armor and picking up another trinket, glyph of indominability is probably the easiest for you to get atm.
Oh and change that meta gem! Get 32stam+2%increased armor value. You'll need to put a red gem somewhere, probably 10dodge/15 stam gem in your legs to hit the +9 stam bonus.
I don't really know much about DKs, but 16k armor seems kinda low, is the rest of what should be there covered by frost presence?
"If the world is something you accept rather than interpret, then you're susceptible to the influence of charismatic idiots." -Neil deGrasee Tyson
Twitter @Aggathon || @Tankspot || Twitch.Tv/Aggathon