This 18K yellow and white gold Yvonne Léon mixed chain diamond necklace is crafted in France. Characterised by its contrasting design, it features a gold square link chain to one side and a white gold chain with smaller circular links to the other. These are unified by a 0.25 carat diamond to the centre and is secured with a clasp fastening. We’ve anything but mixed feelings for this Yvonne Léon necklace.