Certainly, we understand that our customers may have different preferences and requirements, which is why we offer certifications and guarantees for our pearls upon customer request. Our team will work with you to identify the specific certification or guarantee that you need, and we will do our best to accommodate your request. At Pearlomantic, we are committed to providing our customers with high-quality pearl jewelry and excellent customer service, and we strive to meet and exceed your expectations in every way.