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?

We offer cultured varieties of Akoya, South Sea, Golden, Tahitian, and Fijian pearls ... we can begin to set a trend,” Grosz mused. “It is very important to us that our jewelry be relevant ...

Balmain trench coat, headband and belt; Mikimoto M Collection Golden South Sea cultured pearl ... and pavé-set diamonds. Tiffany & Co. Jean Schlumberger by Tiffany Lune Galet necklace in 18K ...

and a necklace can reach over $200,000. So, how are these pearls grown? And what makes them so expensive? More from Retail South Sea pearls are the largest cultured-pearl variety, sometimes ...