Diamonds watches for ladies are just like cars for male. No matter how old they are, they still have a deep favor of shining products. In all, diamonds represent forever in their hearts.   As the watchmaker in Switzerland that has the most precious metal and diamond, Rolex has always chosen only the best natural gemstones, and they have been strictly certified. Gemologists have a series of analytical tools in addition to their own expertise that normal gemologists can not…