Red Gemstone are promised to bring prosperity and love into life. Red is a color that is most difficult to find in its purest form. The only gemstone that can give you true red color are Ruby & Rubellite. Sometimes refered to as Redlight Ruby is one of the most expensive color of Ruby you will find.
Other Red gemstones that are found in lower prices will usually have a tone of black in them such as Rhodolite Garnets. Overall Red is one of the Prime colors in the colored gemstones.