Another Etsy fan here I try not to visit there too often because I just want to spend too much money!

Some sites I've purchased from:
spiralstone (I bought the spiral earrings)
19 moons (love the steampunk jewelry)
strungoutdesigns
St Joshua (more steampunk)
jewelrystill (love the earring holders)

and my pièce de résistance:
Steamed Glass, who makes these terrariums to order: