Tiffany & Co has produced a bridal jewellery collection offering engagement rings and celebratory gifts. The collection’s design includes the Tiffany Embrace, a round brilliant-cut stone with sparkling diamonds and open streamlined curves set for the Lucida diamond, which is a patented cut of Tiffany. %% The collection also offers Tiffany's Oval Key made in 18 ct rose gold and the Knot cufflinks crafted in 18 ct gold.