good morning everyoneThis ring is designed for 3D printingSeveral copies were printedThere are 8 pieces of 1.6 mm on the ring, 1 piece of 7.8 mm, 12 pieces of 1.2 mm gemThe weight of the ring is 9KY 4.19g 14KY 4.87g 18KY 5.83gYou can see the details in the pictures aboveThanks