With its vibrant, rainbow color story and large stones, this Mallary Marks necklace is a testament to her creative brilliance. Each of the stones - including pink tourmaline, amethyst, tsavorite garnet, peridot, chrysoberyl, aquamarine, emerald, opal, ruby, tanzanite and mandarin garnet - are wrapped in 18K yellow gold to create the single strand. Alone, it is an eye-catching piece of jewelry, but layer it with your other favorites to add a striking color story. total length : 19 1/2" : 18K…