Which diamond cuts are the least expensive per carat?

Which diamond cuts are the least expensive per carat?

John Cordova (Vice President of Human Resources, Robbins Bros.) gives expert video advice on: Which diamond cuts are the most expensive per carat?; Which diamond cuts are the least expensive per carat?; Which diamond cuts have the highest resale value? and more...

Well, really, the least expensive per carat isn't really determinable. What can be determined is the most expensive per carat, and we've determined that an ideal cut diamond, which is a round type of diamond that yields very little from the rough, is the most expensive.