Above is a hand carved South Sea pearl in 18ct with white and natural coloured Diamonds custom made by Jewellers Workshop Gallery.  I've also attached a pic of a heart pendent you may appreciate even though it isn't skull related. These are all custom

I have always wanted to use a  money clip (probably after seeing the Face Off dragon one) but the problem is you need a few bills first to make it work right! We found this Black Sugar Money Clip over at Moon Raven Design's ETSY

Dahlia Deranged has a crazy amount of sinister trinkets from rings to bracelets and even some real birds skulls set on pendants. She has a huuuge following on Facebook so make sure to check out her page to keep an eye on grabbing some new

Inviso Mihi are a South African company selling and creating hand crafted jewelry and ceramics with a fair amount featuring skulls. Unfortunately they don't deliver outside of South Africa but at least you can still check them out here. There are some other great designs like