AG 3000 RING SIZE EURO 55, WIDTH 2MM, HEIGHT 1.8MM, GEM ROUND 6.5 X 6.5, 1.3 X 1.3, 1.2 X 1.2. FILE FORMAT 3D PRINT, STL, OBJ.An eternity band features diamonds set around the entire circumference of the ring, symbolizing eternal love. The diamonds in eternity rings can be of the same size or vary in shape, depending on the design. This style is often chosen for anniversaries, special milestones, or as a wedding band.