Most people buy diamonds as a symbol of love, to show depth and strength of feelings; for somebody who is very important in their lives be it parents or beloved ones; for yourself as an award of success. Purchasing a diamond is one of the great ways to express such qualities as beauty, rarity, and eternity.But there is another reason why you should buy a diamond - it is one of the most profitable investments. For the last ten years, colored diamonds have risen in price by over 1000%. According to future forecasts not only fancy colored gemstones will rise...