Pearls are rare gems formed inside oysters and mussels. Found in oceans and rivers, they can be natural or cultured. Tap to read more. Mollusks like oysters and mussels, which live in both ...

Natural versus cultured. Natural pearls are hard to find. They're rare, and this makes them worth more money. But let's rewind for a second. What is a natural pearl, and how are they formed?

Tropical rock lobsters, or pearl lobsters, as they're better known, are one of the rarest and most expensive lobster varieties. The colorful crustaceans are so valuable that there have even been ...

Natural pearls vary in size, with those exceeding 10 millimetres being rare and particularly valuable. Pearls commonly found in jewellery are typically round and highly valued, especially if they ...

Natural versus cultured. Natural pearls are hard to find. They're rare, and this makes them worth more money. But let's rewind for a second. What is a natural pearl, and how are they formed?

In the wild, pearl formation is rare so most pearls sold these days are from farmed molluscs, usually oysters or freshwater mussels. To spur the mollusc to form a pearl, an irritant is ...

Glowing like sunlight made solid, this 13-15mm golden South Sea pearl necklace is a statement piece ... [+] with an 18-karat gold clasp. Instantly identifiable yet relatively rare, golden South ...