Rose Gold Montana Sapphire ring. This stunning Montana Sapphire’s color is a beautiful ocean blue and ethically sourced. This ring was created in 14K rose gold. The stunning ocean blue Montana sapphire measures in at a 6.5 x 4.5 mm. The rose gold makes the blue sapphire pop. The band is elegant with just the right amount of diamond accent stones. Montana sapphires are a 9 on the Mohs hardness scale, making this lovely ring extremely durable. Wear this Montana Sapphire ring for everyday or perhaps as an alternate engagement ring. Currently a size 7 but can resize for additional charge.