14K Yellow Gold & Platinum Ceylon Sapphire Wiegand Bros Wisconsin Cufflinks. The cufflinks are in excellent estate condition and ready to wear. They come in their original box. The cufflinks are made of 14K yellow gold and platinum with a small ceylon blue sapphire in the center. They are both hallmarked "14K White". The box reads "Weigand Bros Racine Wis.". The cufflinks measure 15.4mm in diameter and together they weigh a total of 9.6 grams.