Blue Agate Earrings with CZ diamonds set in Silver base with Nickle Free and gold finish.These are "Hypoallergenic" Length : 4 cms approxWidth : 2.5 cms approx Blue Agate will boost your ability to communicate, especially the thoughts and feelings that you receive from your higher self. This is a soothing and nurturing stone, that will bring you calmness and peace of mind, and it is an excellent emotional healing stone, with strong metaphysical properties.