Hello, please find bellow specifications about the ring.
Ring size:18 or 18.67mm diametar
Gems:1 x 8x8mm16 x 1.1mm22 x 2.5mm
Weight:
Gold 18k - 4.39 gramGold 14k - 3.67 gramSilver 925 - 2.95 gramThere is stl. file ready to print and obj. file for cnc.Any aditional informations feel free to contact me.Kind regards.