The rarity and historical value of pearls for hundreds of years have high collection value. The formation of natural pearls is extremely rare, and it rarely flows into the consumer market in the past, so it is precious. Old pearls represent a period of culture and history and have a unique attraction to jewelry collectors. The quality and durability of old pearls are relatively good and have more investment value. Pearls with a history of hundreds of years have been widely recognized in the collection market and gained high value.