How to ensure that you buy a genuine gemstone! Buying the gemstone may be an utterly thrilling and wonderful experience particularly for women and not devoid of any reason for vibrant colors of the gemstones which are hard to repel. A single look at these glittering beauties such as mystic topaz or the wonderful natural rainbow moonstone and your eyes would stay riveted at the colorful and sparkling beauty. But as delightful as shopping for the gemstones may be, one should be careful about some key things when you are buying them to ensure that you are striking the correct kind of deal and not getting fooled to buy the inferior quality of the gemstone. Here mentioned some handy tips which will help you to choose the correct gemstone such as natural london blue topaz, you are also certain about the treasure for years. The foremost thing here to be vigilant about is to stay far away from the fakes. The glittering world of the gemstones and jewelry even has some unscrupulous traders that deal with the fake complements of beautiful gemstones like natural pink tourmaline and they are also much convincing to fool anyone to buy them. Hence, you need to be much vigilant and does not fall into the trap while you go searching for the genuine gemstones. It is also most important to educate yourself when you check the opals for sale or other gemstones and should also try to collect great information as it is possible and hence that while you shop for the precious gemstones you might even end up purchasing the correct stone at correct price. The Key 4 C's like color, cut, carat as well as clarity must be checked vigilantly. Color which is most important factor for discriminating gemstones should also be scrutinized carefully. Try for discerning fake coloration and dyed stone with loupe. At the same time, you may also insist about certification which is nothing but stamp of authenticity about the quality of the gemstones. The desire about gemstones dates for many years back. Hence in the earlier times such gemstones were accessible with regard to decay. They will generally have been considered as wonderful gesture when it is attained as a gift. The price of gemstone is mainly identified by the type, size, cut, quality and also the type. How such stone are treated should even be questioned. The key treatment is called as irradiation. The one who knows about the business will also know treatment which is used. When they does not, they will being get up with you. It will also be the flag to always act with the great caution while making the sale. Gemstones usually use irradiation treatment on about, Aquamarine, Emerald, Diamond and London Blue Topaz. The other treatment which is used is the heat treatment. It even brings out great colors in the gemstones. Such treatment is usually used on: Amethyst, Ruby, Aquamarine, Tanzanite as well as Topaz. The other popular treatment is to apply the coating. The petroleum product is mainly used for dipping of the Jasper.