Insight into testing quality and carat of a valuable stone

At least know the four 'Cs' to ensure that the diamonds you buy make the grade

You don't have to be a diamond expert, but a little knowledge goes a long way to ensuring you get a good stone for your money.

It might look good, even through the magnifying glass, but don't cut corners in a bid to get a bargain, or risk a fortune on a precious gift or investment without following this basic advice: