Frankly, who couldn't use a little more storage space? Awesome "Geppetto" rings by Israel's Inbal Oknin.
Bonus link: funny how the mind works after checking out the "Geppetto" rings, I thought this ring was a row of Pinocchio noses! It's actually a hand ring by Dutch designer Zlda (Zelda Beauchampet).
Even more jewellery: