An curved arrow pointing right. This giant pearl definitely can't be made into a necklace. The largest pearl found up to this date is on display at the city hall of Puerto Princesa, Philippines.

Cave pearls are a type of speleothem found in caves. They are round, pearl-like formations usually between 0.1 mm and 30cm long. They form around central nuclei, such as sand grains covered in ...

The Giga Pearl is the world's largest natural pearl, as certified by the Gemological Institute of America, and worth more than $140 million. Abraham Reyes, who lives in Toronto, owns the pearl ...