largest pearl found
Pearl of Lao Tzu. The Pearl of Lao Tzu (also referred to as Pearl of Lao Tze and previously as Pearl of Allah) used to be the largest known pearl. The pearl was found in the Palawan sea, which surrounds the island of Palawan in the Philippines, and was found by a Filipino diver. It is not considered a gemstone pearl, but is instead known as a clam pearl or Tridacna pearl from a giant clam.