What is disclosed is an improved cutting tool to provide improved cutting of small diameter materials, such as stems of flowers and other plants. The device provides a cutting mechanism that is parallel to or in the same plane of a circumference of a ring that is worn on the user's finger. This provides for an increased ergonomic cutting tool. The cutting tool has a blade and an opposing portion that is configured to retain the material to be cut while the blade is pressed into the material or the material can be pushed onto the blade. The device is preferably constructed of a unitary molded plastic with an integrated blade formed in the material.