1. Kondoru

    Diamonds: Natural, Synthetic & Simulated

    a fastinating subject in itself. how are they made? what is the difference between synthetic and simulated?
  2. M

    The Hope Diamond

    This famous blue diamond is supposed to have been the death and downfall of all its owners, but every story I've read about it says that the huge stone (110+ carat) is only a fragment of the diamond allegedly stolen from an Indian idol. So what happened to the rest? Are the other fragments...