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?

based on the GIA 7 Pearl Value Factors TM as well as a digital image of the submitted item(s). It is specifically and exclusively for the three major types of cultured pearls (Akoya, South Sea and ...

Although GIA is most recognized as the world’s foremost authority in diamond grading, it has been a leader in the identification and classification of natural and cultured ... for describing pearls.

When the vendor approaches the tourist, he openly declares that the pearls are not genuine but “cultured” and shares that the pearl necklace is just ₹150. The vendor also had a lower-quality ...