How can you tell an antique pearl?

The process of telling an antique pearl varies based on whether it is set in jewelry or loose. In the case of jewelry, you can look for a maker's mark and then conduct online research to find out when the company existed and made similar pieces. To be considered an antique, pearl jewelry must be at least 100 years old. In the case of a loose pearl or if you have difficulty performing research on your item, experts recommend consulting a certified appraiser, knowledgeable jeweler or experienced antique dealer. On 1stDibs, find a wide range of antique pearl jewelry.