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.

Throughout much of recorded history, a natural pearl necklace comprised of matched spheres was a treasure of almost incomparable value, in fact the most expensive jewelry in the world. Now we see ...

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 ...

The pearl earrings: Monica Vinader Pearl Studs, £46.40 / $64 The pearl necklace: Missoma Baroque Pearl Twisted Chain Necklace, £135 / $189 The pearl ring ... stone is a natural freshwater ...