Oval stone ringWeight(based on 14k gold):12.570 gramWeight(based on 18k gold):15.040 gramrecommended material : goldMain stone size: 20 x 13.5 mmRing size:55Resizable Ring Model is fully ready for 3d printing of plastic, metal or jewelry waxcreated by rhino(using NURBS)and editableavailable in 3dm and stlOther formats and sizes are available by request support includedready for printAny questions ? Let me know