You can obtain the for 5 infused rubies from Deadfoot in Wanecrypt Hill. What you receive is still an item capped to iLvl 158. I crafted a soulbound waist with an iLvl of 138 and with a vendor sell price of 24 Gold & 42 Silver. It might be worth noting that the stats on the belt are randomized and not related to your primary stats.