Bold onyx gemstones are shaped into four leaf clovers in this eye-catching pair of handcrafted cufflinks. 18k gold vermeil adds luxurious warmth to each pair, designed to be worn by risk takers & anyone who believes in kismet. Post back Onyx 18K gold vermeil plated sterling silver Imported SIZE Diameter, about 1". Men Accessories - Jewelry > Jan Leslie > Saks Fifth Avenue > Barneys. Jan Leslie.