While it is rightly agreed that men's big rings in the size range of 12, 13 and upto 15 should be custom made rather than, purchased off the shelf, it is important to understand the essential features of gold and silver mens rings with large sizes like 12, 14, 15 etc. The gemstone cost can often influence the design selection for men's big rings, and metal weight is critical to durability - This comprehensive Kai Silver report on mens rings with large sizes proves handy in making the right selection, review the report at http://www.gemnjewel.kaijewels.com/mens-size-12-15-rings-0758.php