These 18Karat White Gold Cufflinks create a shiver of mystery combining the dark gloss of black onyx with both the lunar beauty of motherofpearl and the darker iridescence of abalone A rectangular frame of highly polished 18karat white gold forms a gallery for the black and white inlaid bands At the center is a band of abalone ocean colors shifting in its depths Setting off the abalone are bands of enigmatic black onyx Finally bands of motherofpearl at the ends add a softening touch of moonlight white to complement the luster of the white gold Each cufflink measures 7/8 by 3/4 inches and employs a swivelback closure