He says that part of the reason the Marie Antoinette pearl is worth so much is because it's a natural pearl, which brings us to one quality that determines a pearl's value. Natural versus cultured.

Annette Welander is launching a new fine jewellery collection, called SPHERE. The new range seeks to highlight the contrast ...

From Megan Fox's dual-ring design, to Emma Stone's unique freshwater pearl, the Princess of Wales' iconic heirloom, or Jennifer Lopez's natural green diamond, there's plenty here to inspire anyone ...

Not to mention luck. Statistically, one out of every 100 oysters contains a natural pearl and out of 100 of those, only one can be considered jewelry-grade and another one-hundredth of these is ...

Other auctioned items include the natural pearl and diamond necklace, a pair of pearl and diamond earrings, and a monogram ring with a lock of her hair. One of the other items up for sale is a ...