For a reliable jewelry appraisal, seek out certified professionals from reputable organizations such as the Gemological Institute of America (GIA), the American Society of Appraisers (ASA), or the National Association of Jewelry Appraisers (NAJA). Jewelry stores, independent appraisers, and auction houses also offer Jewelry appraisal services. Be sure to choose a qualified expert with proper credentials and experience to ensure an accurate valuation.