Water vapour test of true and false if you want to personally check your diamonds true and false, the easiest way is to water vapour test: you only need to exhale to diamond, if you do not see any steam fog, the diamond is real. If appear above the wet steam point, then can make sure it is not real diamonds. Diamonds are the strongest on earth, one of the most durable materials. Therefore, even if is exposed to extreme temperatures, it also keeps the translucent and transparent. Light reflex test diamond true and false is another way to identify light reflex test. Diamond because they break and refraction of light and appear very shine. Put your diamonds in the newspaper. If is the true diamond, you will not be able to see the words in the newspaper, through its external light enter the diamond was repeatedly reflected. Can you read the text through the obstacles to it? That, unfortunately, you received a fake diamond. Diamond dealer or professional jeweler's advice if you are looking for this kind of automated test still in question, or if they can not make you to distinguish, you can ask for help. We have a variety of professional test to identify the diamond. The most common method is microscope test, the use of precision calibration testing or using the weight of the UV lamp test. You can contact us for more information. Doubt that diamond true or false? Booking with diamond jewelry consultant, we will be happy to help you.