Humanity has been enthralled by white pearls for generations due to their exquisite sheen and delicate sparkle. White pearl are organic riches made by mollusks, mainly oysters and mussels, in contrast to other gemstones that are manufactured deep under the ground. An exquisite iridescent substance called nacre is secreted by mollusks to cover external irritants in layers. These layers accumulate to produce a pearl over time.