Gemstone appraisers are professionals who evaluate the quality and value of gemstones. They use their expertise to assess factors such as color, clarity, cut, and carat weight, which are essential in determining a gemstone's worth. Appraisers often work for jewelry stores, auction houses, or as independent consultants. To provide accurate evaluations, gemstone appraisers may use specialized tools like microscopes and refractometers. They often hold certifications from recognized organizations, ensuring they have the necessary training and knowledge. Their appraisals are crucial for buying, selling, or insuring gemstones, helping clients make informed decisions.