This AA grade Ammolite tower pendant measures 15x5mm. The stone is full bezel-set in a sleek 18k two-tone gold pendant with a round brilliant diamond accent and a latching bail so you can put it on or take it off without removing your necklace. Each Ammolite gem is unique in brilliance, color and pattern. Korite Ammolite is available in 4 grades; AAA being the highest, followed by AA, A, and standard. Most jewelry items can be fitted with the grade of your choice-just call to specify any grade other than the one shown here for pricing information. All of our Korite Ammolite Jewelry is backed by a lifetime guarantee!