A beautiful addition to any jewelry collection, Ammolite's luminous qualities rival the famous black opal for color and fire. This A+ quality, rectangular-shaped Ammolite, measuring 10x4mm, is set in a 14K Yellow Gold bale. Each Ammolite gem is unique in brilliance, color and pattern. Korite Ammolite is available in 4 grades; AA being the highest, followed by A+, 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!