It features a contour fold on the middle of the ring, with each shoulder carrying grain set diamonds. The band itself is court shaped, with a width that matches the normal 2.5mm engagement ring. VS1 clarity grade diamonds are often used. Bridal Design This design is simply a smart way of making a shape that fits well with many engagement rings. It is also seen to be a good match with settings that are wedding ring friendly. Ribbon Twist Plain Ring This design does away with diamonds, so you have a plain, elegant metal band that has a twist in the middle. The center narrows slightly so that your engagement ring sits flush alongside it. You can even use it as a standalone ring. 2mm width is widely considered the best choice, although the exact width may change after a hand finish has been applied. The ring has a court profile, which simply means there is a curve on the inside for ensuring a comfortable fit.