Gold Diamond Dust Tuxedo Cufflinks and Studs with 3 Pairs Adjustable Brass Collar Stays With 3 Pairs Adjustable Brass Collar Stays Heres an interesting and unique variation on the traditional round cufflinks-and-studs set These are 14 kt gold-plated settings encrusted with glittering diamond dust Diamond dust is actually a by-product of the diamond cutting process; its the tiny shavings that are shed as the stone is cut