AG 3400 RING SIZE EURO 55,WIDTH 2.2MM, HEIGHT 1.6MM, GEM ROUND 6.5 X 6.5, 1.3 X 1.3. FILE FORMAT 3D PRINT, STL, OBJ.In the channel setting, diamonds are set into a groove within the band, creating a sleek, continuous look. This design allows the diamonds to be securely held in place while maintaining a modern, minimalistic appearance. It's often used for both engagement rings and wedding bands.