Following is a transcript of the video. Narrator: Rihanna wore a $130,000 chocolate diamond necklace to the 2018 Grammys. And these Chocolate Diamond earrings that J-Lo likes to borrow: just over ...

Meline: A pearl is one of the most complex gems to assess the value of. One factor is whether it's natural or cultured. Natural pearls are harder to find, making them worth more money. The vast ...