gem size 1.5x2.5mm and size is 2.4mm x 3.7mm stone is a white cz. Delicate and dainty accented marquis style piece that would fit perfect for any cartilage or nostril. comes in 6 stone variations. 
Uma is available in white CZ, black CZ, Amethyst CZ, Mystic Topaz CZ, Light Sapphire Blue CZ, and synthetic Moonstone.