8mm Edwardian Wedding Band in 18K Yellow Gold.  This vintage Edwardian wedding band is a thick and polished ring in 18k yellow gold. With a total weight of 7.6 grams and a thickness of 8.32 mm, this warm 18k yellow gold ring is the obvious choice for your wedding day. This antique wedding ring will look stunning to wear every day and can be stacked with other 18k gold rings for a more modern, fashionable look.