One should always stress at buying it from the most authentic and established dealers as it is extremely easy to be caught by fraudulent dealers while purchasing this precious and sentimental stone. There are many factors that require one to be extra cautious when purchasing a diamond and there are many things one should keep an eye on while they make their decision.

The diamond's carat, clarity and cuts are the most important things that differentiates one diamond from another and there price varies on the basis of these criteria alone. The size of the diamond matters but so does the clarity as a large diamond without the shine is simply worthless.

The highest carat of diamonds that are most clear fetch the largest sums of money however many different carat and clarity indexes have been made available by manufacturers in order to ease the approach of the common man to this magical stone.