An eyelash makeup brush with a diamond handle is a cosmetic tool designed for applying mascara or other eyelash products. It typically features a long, thin brush head made of synthetic or natural bristles, designed to easily reach and separate lashes. The handle of the brush is finished with a diamond-shaped design, adding a touch of luxury and elegance to the tool. This type of brush is ideal for anyone who wants to achieve a defined and voluminous lash look, as the small brush head and elongated handle provide precision and control during application. The diamond handle also makes it a great option for those looking for a stylish and unique addition to their makeup routine.