JEWELRY ENGAGEMENT RING STL FILE FOR DOWNLOAD AND PRINT- CC44Gems sizes and quantities1 Diamond Round 6.5 mm X 6.5 mm Matrix layer name 6.5 mm2 Diamond Round 3.5 mm x 3.5 mm Matrix layer name 3.5 mm10 Diamond Round 1.3 mm x 1.3 mm Matrix layer name 1.3 mmRing Rail size and Gold weightRing Rail size US 6Ring Gold 18 kt weight 4.45 gr.