All / Whimsical 18K Gold & Enamel Four Button Penguin Dress Set by Designer Hidalgo $6,800.00 Tiffany 14k Yellow Gold Knot Cuff Links with Four Stud Buttons by a Different Maker $3,950.00 Classic Tiffany & Co. 18K Gold "X" Motif Four Button Stud Set $6,000.00 Contemporary 18k White Gold, Black and White Diamond 4 Button Stud Set by Mecan $3,900.00