Part of the Water collection, the TU engagement ring enhancer is designed to channel the feminine power of the ocean. Six articulated semicircles in 18K yellow gold edged in diamonds arc above the center stone, creating an endless ripple effect of passion and protection. *The CADAR solitaire engagement ring is sold separately. Our patented TU jackets and solitaire rings are meticulously engineered to fit together with seamless precision and may be worn interchangeably. To learn more about purchasing a CADAR solitaire or converting your existing diamond into a TU Ring, please connect with a member of our sales team.