A jewelry ring configuration having interchangeable elements and especially jewelry rings which have a decorative feature mounted on a center ring. This new device/process may be simply described as a device for an interlocking ring system and device with interchangeable outer jackets and center rings comprised with a center ring, ornate and decorative or smooth and with or without gemstones, the center ring in various mounting styles such as prong, bezel, pave etc.; and a jacket as an outer band, held together by one or more straps, the jacket being ornate and with or without gemstones and made of the same, complimentary or contrasting materials as the center ring wherein the interchangeable outer jackets and center rings provide an interchangeable, stylish combination of interlocking jackets and center rings.