2.50 carat black diamond ring for sale, you must accept the fact that diamonds are expensive, and is a good reason too. Black Diamonds are rare to see, and exposed to the most stringent processes to become shiny gloss they are. But apart from the expensive price tags that come with them, a 2.5-carat diamond ring worth the investment. The black diamonds have a high value, and the only time that this increases. It is possible to doubt that the purchase of 2.50 carat diamond ring, but in the long run, you will realize that buying black diamond ring that was a good idea.