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.

Ring Concierge Pearl and Diamond Circle Studs These circle ... Rather than being perfect spheres, these pearls have slight, natural variances in their shape and size that add to the overall ...

I cover upmarket jewelry, timepieces & ethical ... With Golden South Sea pearls, the gems provide a warm and natural look.” For darker skin tones, golden pearls can also provide a pleasing ...

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 ...

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 ...