This modern engagement ring is an example of a customized version of the S42 Arc Ring. A 1.5ct. G.I.A. certified diamond was included in the project. The Arc Ring can be customized with regard to the following: gem stone type, size and shape; metal type such as platinum, palladium, 18k or 14k in yellow, rose or white gold; the finish can be random scratch (as shown) straight satin, matte or all high polish.