Topaz comes in different colors and shapes. Yellow topaz is the most common color in the various topazes. However, yellow topaz is beautiful and attractive. If you want to buy yellow topaz, you should keep many factors in your mind in order to buy your ideal gemstone.

Though topaz is usually regarded as yellow-brownish in color, it actually comes in various colors. Blue topaz is one of the famous topazes which have drawn most people’s attention. However, few people know how to evaluate blue topaz when they are buying it. Here offers you the main factors that you should take into consideration.

In our mind, the color of sapphires is always deep blue. In fact, it has a wide range of colors with different value. So when you are attracted by this enchanting gemstone, you should know how to evaluate colored sapphires in advance.