Increase Sales by 18% and double your hits – Vendio Gallery. Light brown green yellow. 6.65-7.06×4.78mm. We are more than willing to help you with any problems or answer any questions you may have. The item “GIA loose certified 1.51ct I2 light brown green Euro diamond 6.59-6.69×4.01mm” is in sale since Saturday, December 6, 2014.