As well as a diamonds appearance how do you know that you are getting what you pay for?
A Diamond Certificate
A certificate is a blue print of a loose diamond. Wholesalers, retailers, and consumers alike know a certificate as either a diamond grading report or diamond dossier. A certificate will tell a diamond's exact measurements, weight, cut and overall quality.
Carat is a term that refers to the weight of a diamond. Before the twentieth century, diamonds were measured by using the carob seed that is small and uniform and served as a perfect counter weight to the diamond. It is those original carob seeds which are the origin of the word carat we use today.