The Jewels and the shield belongs to the trashbarrel im afraid.
I dont think any of the Stamina items are any good either but wait for someone actually playing a dexer/archer beefore trashing them.
I find it hard to sell anything not really highend recently when it comes to armor parts.
When it comes to jewels you need to look for mods you cannot imbue. If you look at the two rings you looted both of them are imbuable. If they had 10SSI, 4-5SI, 20 HCI etc i would keep em but not without
Wait for someone ellse opinin as well before doing anything. Never trust Butters!