This stunning ring features a high grade oval Brilliant cut Mystic Topaz gemstone, which is secured by four prongs and measures 7/16" long x 5/16" wide. It is set in genuine 14 karat gold. This ring can be worn for a day or night look, as an engagement ring, promise ring, or as a right hand ring. Mystic Topaz is a purple-blue-green gemstone with a rainbow of color accents that form a spectacular display of various hues. It is also known as Fire Topaz, Mystic Fire Topaz, Caribbean Topaz, Alaska Topaz, Alaskan Ice and Rainbow Topaz. These are all different terms used to describe the same gemstone treated by titanium vapor for a permanent rainbow of colors. Special care needs to be taken of these stones like avoiding severe heat, acids, household cleaners, etc.