1 6 ct diamond ring July 8, 2019 16 32 64 128 1 6 ct tw diamond ring Diamond ring 1 6 ct tw round cut sterling silver Diamond promise ring 1 6 ct tw round sterling silver Diamond promise ring 1/6 ct Effy men's diamond ring 1 6 ct tw in sterling silver 1/4 ct diamond ring 6 ct diamond ring 6 carat diamond ring