The carat is the size, clarity is clearness, clear diamonds are much more valuable for colour and the cut is what really delivers to life to this glowing stone. Make certain that what you have selected is really worth the buy and that it will really be cherished by your companion. The 4 Cs that are carat, clarity, colour and cut provides the value of diamonds. It is not only gold or silver that is becoming used as of this stage in making rings but there are currently mens white gold rings, platinum and titanium.