Our platinum knife edge band from deBebians is able to be manufactured in any finger size between 4 and 16, including quarter sizes. If you would like a finger size that is not listed, please contact our jewelry experts at your convenience because they would love to assist you. This band was designed with a width of 3mm and a comfort fit inside, which makes the ladies plain ring pleasant to wear for extended amounts of time. Each ring that we create is solid platinum 950.