Exclusively Ours! Barneys New York sapphire, rock crystal and sterling silver cufflink and shirt stud set. Includes a pair of cufflinks and four shirt studs. Round sapphires, faceted rock crystal. Polished sterling silver. Square-shaped cufflinks and studs centered by a bezel-set sapphire. Cufflinks: 14mm face width, 21mm total length (approximately); studs: 10mm face width, 10mm total length (approximately) . Button back.