Compared with gold, diamonds are scarce resources, the price fluctuation is influenced by the outside world is small, has the relative independence, therefore, diamond value space is larger. Offline gold market downturn, in particular, more and more people will look from gold to diamond, began to invest in diamonds, or as a collection, but what kind of diamond has the collection value? First, the greater the drill, the better. Diamond is inherently belongs to the scarce resources, large drill more rare, scarcity value, rarity, the higher the price up naturally. Generally more than carat diamond, have demonstrated the diamond collection value. Second, the quality is the most important. Again big diamond, if the quality is not high, its also no value for collection. Is what we call the quality of the diamond cut, clarity, cut, the better, the fire of diamond color is more good-looking, the light of the release will be good. Diamond glittering provoking love blossoms is through the cutting of diamond. Third, choose to have diamond certificate to buy diamond, there are many kinds of international recognition of the diamond certificate, IGI, GIA, HRD certificate, etc. , currently the most authoritative is GIA certificate, most naked drill possess GIA certificate. Soaring as the value of the diamond, diamond people also more and more of the collection, the investment value is also growing. When making diamond collection, we be careful careful and cautious, according to the above method, choose a truly valuable diamond. Otherwise may cause steal unsuccessful the situation, that's regret.