Hello, please find bellow specifications about the ring.
Ring size:18 or 18.67mm diameter
Gems:5x1.9mm40x1.3mm12x1.5mm
Weight:Gold 18k - 4.58 gramsGold 14k - 3.83 gramsSilver 925 - 3.08 grams
There is STL file ready to print.There is picture of wax model and zirconia.Soon I will add pictures of casted model.Any aditional informations feel free to contact me.Kind regards.