Our classic round cufflinks and matching stud sets feature semi-precious stones and our signature diamond pattern. The perfect pairing for the ultimate business collection. Finished with rhodium plated base metal and black onyx semi-precious stones, commonly related with grounding and protection. The color and natural formation of our gemstones differs from one another due to natural variation, making each piece truly one of a kind. Material: Rhodium plated base metal with black onyx. Size: The face of each cufflink measures 16mm length x 16mm height x 7mm depth.