Signature Collection No6 Blue Aventurine & Silver CufflinksA twist on a timeless design, Signature No6 has a delicate diameter of 14mm and features a stunning Blue Aventurine stone that protrudes from the edge of the silver casing before dropping down to create a slight concave dip. The Signature Collection pieces will come to life when hit by the light. Our standard cufflink bascule ensure they are easy to put on and wear too. This designs include natural semi precious stones, so tones and patterns may vary.