Black Hills Gold by Coleman tri-color 10K gold and sterling silver under $100 jewelry sets. The Jewelry Sets Under $100 pages have grouped together anklets, bracelets, earrings, and necklaces to create some great gift ideas for under $100. If you would like to see other jewelry sets that have been created they can be found under the Gold Jewelry Sets and Sterling Silver Jewelry Sets pages located on the Navigation Bar on the left and bottom.