Diamonds are something really very precious and beautiful, but to buy a proper, pure diamond you need a lot of knowledge, that is you must know the basics of diamonds to judge whether what your buying is genuine or not.
The next factor that is very important to consider is the clarity of diamond. Clarity of diamond hk refers to the flaws and inclusions of diamond. Then you must consider the colour of diamond. Earlier white or colourless diamonds were very popular among the people. However, as the trend is changing and people are becoming more fashionable they prefer to go with coloured diamonds.
CTW stands for carat total weight and as the name suggests it is the sum total of the Carats in all the diamonds on the ring. Your fabulous ring may only have .5 Carat in the large diamond and 1.5 Carat in all the smaller diamonds put together, giving it a total carat weight of 2 Carat (ctw).
If you are a new diamond buyer, don’t be fooled. If you take a few minutes now to learn these facts about diamond buying, you will be well on your way to protecting yourself when making this potentially pricey purchase.
When you buy any diamond of 1 carat or larger, it should be accompanied with a certificate from a recognized independent Gem Lab. Gemological Institute of America (GIA) and the the American Gem Society (AGS) will certify loose diamonds only, and they are very reliable labs. Other commonly recognized independent labs are International Gemological Institute (IGI), Independent Gemological Laboratories (IGL), and European Gemological Laboratory (EGL-USA). These labs will certify finished jewelry items such as diamond rings, and they list a retail replacement value for insurance purposes.
You must also think of the metal of your diamond engagement ring. Today there are host of options in metal and you can easily select the metal of your ring according to her specification and your budget.
In addition, the clarity category of a diamond is not fixed and unchanged. The diamond may be damaged after it is worn for some time, which will result in the decreasing of its clarity category. Therefore, the diamond expert reminds us that the diamond should be protected carefully after it is purchased.