nothing that special, no damage inc. you can vendor search without the skill, and there's overpriced stuff like this:
maybe 250-300m with the 15 skill. Most people use cuffs for the +15 resist, which makes the sdi pointless.
with 15 skill and no sdi:
For the ring you posted you have 6 good "hard" mods, and two "supplemental" mods. Stam typically is going to be a non-factor, with any other stat (int, mana, mr) would have been infinitely better.
for the 6/8 mods maybe 50m tops, for the 6/8+2 supplemental mods putting it at 250m-300m if the buyer needs the sdi.