14K Yellow Gold Navette Leaf Halo Engagement Ring. The bold and interesting navette leaf cathedral shank is accentuated with milgrain detailing and pave set brilliant diamonds. The center stone is surrounded by a beautiful halo and set in classic claw prongs. Number of diamonds and total carat weight listed on the product information is based on a 1 ct. center stone. Please note that the number of diamonds and total carat weight may vary according to the size and shape of the center stone.