Tiffany & Co 14k Yellow Gold Wedding Band. This is an amazing ring. This Tiffany & Co ring is 100% authentic, it has the original box and pouch! The ring is stamped Tiffany & Co and is engraved Dec, 9th 1973. The history behind this ring is a true love story. The ring is a size 8 and has rounded edges. The ring it self is approximately 4 mm in width and 6.7 Grams. In amazing condition for the age.