Pearls have been treasured for thousands of years, and they are still one of the most unique and valued gems. In ancient Chinese civilisation, pearls were worn to protect the...

Natural diamonds are one of the most valuable commodities in the world. The gemstone was formed in the Earth’s middle mantle by heat and pressure over three billion years ago. ...

Federico Fellini said that the pearl is the autobiography of the oyster. Pearls indeed are unusual since they are made from a living creature. The perfect pearl is rare. Some...