three stone ring 3D model

ring with three stones of which a central emerald cut with measures 6x8 and 2 lateral round brilliant cut stones each with measures 2.8mm (0.07ct), size 15, European. Possibility of making a custom ring. casting test done. weight of the finished object:

• 18kt gold : 4.5 gr
• 14kt gold : 4.15 gr
• 925 silver : 3.13 gr
• 950 platinum : 6.6 gr