One Source, Every Stone You Need. Every day, we search the world to source diamonds and gemstones. Our extensive, unrivaled inventory provides you with access to the stones you need to do your job and make your customers happy. If you don't see what you are looking for, contact us. We'd be happy to search for any unusual type, size, color, or cut, saving you the time and effort of doing it yourself. You can call us toll free at 1-800-877-7777.