Education

A jeweller's tray of certified lab grown diamonds, Luma Jewellery

Are lab grown diamonds certified, and what is a...

Yes. Lab grown diamonds are certified by the same independent gem labs (IGI and GIA) that grade natural diamonds, on the same four Cs.

Are lab grown diamonds certified, and what is a...

Yes. Lab grown diamonds are certified by the same independent gem labs (IGI and GIA) that grade natural diamonds, on the same four Cs.

A close up of a teardrop cut lab grown diamond, Luma Jewellery

Do lab grown diamonds test as real diamonds?

Yes. A standard diamond tester reads a lab grown stone as diamond every time, because it is the same carbon crystal. Distinguishing lab grown from mined needs a gem lab.

Do lab grown diamonds test as real diamonds?

Yes. A standard diamond tester reads a lab grown stone as diamond every time, because it is the same carbon crystal. Distinguishing lab grown from mined needs a gem lab.

Can you tell a lab grown diamond from a mined one?

Can you tell a lab grown diamond from a mined one?

You cannot tell a lab grown diamond from a mined one by looking at it. Not with the naked eye, not with a standard jeweller's loupe. Here is what actually...

Can you tell a lab grown diamond from a mined one?

You cannot tell a lab grown diamond from a mined one by looking at it. Not with the naked eye, not with a standard jeweller's loupe. Here is what actually...