Phillip Gavriel's best-selling Popcorn Collection features rich textures and eye-catching fine jewelry designs. Our silver & gold birthstone series features a natural semi-precious or precious gemstone for every birth month. This necklace contains a single blue topaz. Matching studs and rings are also available. Pendant hangs on an adjustable cable chain that can be worn at 16" or 18", with a spring ring clasp. Style #SILSET2203-18