How to Read a Diamond Certificate
A certificate is a laboratory’s record of a diamond. Learning its sections helps you compare stones calmly.
The 4Cs and beyond
Carat, color, clarity, and cut sit at the center. For fancy colors, the color description may replace the D–M white scale. Measurements and proportions complete the picture.
Report number and verification
Use the report number on the laboratory’s website to confirm the document matches the stone described on the jewelry page.
Shop with the report in mind
Asteria product pages surface certificate fields when present. Continue to colored lab-grown diamonds or rings when you are ready.