The World of Disney in Downtown Disney had a great
selection of jewlery. Very nice items and lots of silver.
You should also check out the shops in World Showcase in Epcot.
Japan - has pick a pearl and has many silver settings.
France, Morroco, Italy all had nice jewlery.
Mexico had a large selection of silver jewlery,
I purchased quite a bit for gifts for friends and family!
Happy Shopping!