Many people want to buy loose gems because of their metaphysical properties and benefits. Astrologers often recommend certain precious and semi precious stones to the clients to make their life prosperous, happy, wealthy, and healthy. Loose semi precious stones are easily available with the jewelers and the online jewelry stores; however, it is crucial for you to understand how to buy loose semi precious stones so that you buy genuine stones and avoid buying fake gemstones. Sapphire is a beautiful precious stone that is worn to avail various benefits. The wearers use it because it offers health, astrological, and other benefits. The stone promotes hope, prosperity, happiness, faith, joy, and peace. It protects the wearer on the long journeys and helps them have better control over themselves. Sapphire gemstone is used extensively in jewelry to create beautiful, stunning pieces of jewelry. Rainbow sapphire jewelry is largely popular because it contains precious sapphires in an array of colors including red, orange, yellow, blue, purple, green, black, and colorless, etc. These different colored precious stones are available from different parts of the world. People like to wear Rainbow sapphire jewelry in a hope that their all dreams and desires will be fulfilled. Semi precious stones are exclusive and expensive, so often markets offer replicas of these stones; therefore, it is important for you to know how to buy loose gems. It requires experience and expertise to find the worth of the stones. A professional appraiser can help; however, by knowing certain things you can easily differentiate between the real gemstones and fake ones. Here are certain things that you must consider when you need to buy loose semi precious stones. To determine the value of precious stones, you should use four C’s, which are standards for determining the value of the gemstone. The 4 C’s include color, cut, carat, and clarity. Like diamonds, all other precious and semi precious stones are measured by these criteria. Color is an important factor. All the gemstones come in a range of colors and any stone close to these ranges is pure and valuable. Consider tone, hue, and saturation of the color to find the value of the stone. Cut determines the shape and design of the sapphire and any other gemstone. Cut decides how the stone will reflect the light and how it will look. A dazzling, brilliant stone is always precious and valuable. Buy loose gems that have clarity means that they are without any flaws such as blemishes, inclusions, or pores on the surface. Another factor that determines the value of Rainbow sapphire and other precious stones is carat, which refers to weight. It is important to know what weight you require to wear, if you plan to wear the precious stone for astrological purpose. The sapphire stone is hard and it easily bears any scratches or wear and tear. When you plan to buy loose gems, make sure you get certified gems and buy them from authentic, well-established source. Make sure you get the best value for your money and you are not defrauded. You can take help from a professional to check the stones and authenticate them. Look for visible flaws and make sure the gem is without any blemishes and scratches.