Typically, you can expect the cost of synthetic diamonds to vary widely, from under $1,000 per carat to nearly $10,000 per carat, depending on the size of the diamond, as well as the various factors such as color and clarity that also determine lab grown diamond prices and value.

In a general comparison, lab-grown diamonds can typically cost 80-95% less than natural, mined diamonds. This percentage difference is based on a few factors.

Jewelers can tell if a diamond is lab grown through various gemological tests. They may use equipment like a DiamondView tester, which relies on a. Additionally, many jewelers work with accredited diamond grading labs who provide documentation, such as grading reports, confirming the origin of the diamond.