Rubies are the red members of the corundum family of minerals. These gemstones are available in various shades, which add to its splendor. Natural ruby shades vary from light to dark red. Rubies also have undertones, such as a purplish cast. These variations in colors and shades, add up to the charm and individuality of each gemstone. It is for this reason that buying ruby jewelry is a universal favorite. Moreover, as color red is associated with the universal feelings of love and passion, ruby jewelry has always been in demand. If you are now wondering how to buy ruby jewelry, read the tips given below.