Necklace of the Juggernaut
Brooch of Deftness
Now I know the obvious response is that Juggernaut is the more tankish necklace since it has +22 defense skill. The Tankspot gear rankings even list it far below Necklace of the Juggernaut. But it seems to me that with such a large amount of hit rating and expertise, and 15 more stamina than the Necklace of the Juggernaut, the extra defense from NotJ is negligible. Besides, I'm sitting on 525 defense anyway, +22 defense rating will bring me down practically not at all.