Gemstone testing certificates typically include the following information:
Identification: The certificate will identify the gemstone, noting its variety (e.g., ruby, sapphire, emerald) and any known treatments or enhancements.
Color Grade: The certificate will describe the gemstone's color using a recognized grading system. This may include hue, tone, and saturation.
Clarity Grade: If applicable, the certificate will assess the gemstone's clarity, which refers to the presence of inclusions or blemishes within the stone.
Carat Weight: The certificate will state the gemstone's weight in carats, which is a unit of measurement for gemstones.
Cut and Shape: The certificate may provide information about the gemstone's cut and shape, including details about proportions and facet arrangements.
Measurements: The certificate may list the gemstone's dimensions, such as its length, width, and depth.
Origin: If known, the certificate may indicate the gemstone's country or region of origin, which can impact its value.
Laboratory Details: The certificate will include the name and contact information of the gemological laboratory that issued the report.
Additional Information: Depending on the gemstone and the laboratory, additional information may be provided, such as fluorescence, treatment disclosures, or any special characteristics.