Synthetic Ruby, Sapphire and Spinel: It's a Synthetic Gemstone which has been researched, produced and used widely at the early time.1.5#, 2#, 3#, 5#, 8# Ruby, 34#, 35# Sapphire, 104#, 106#, 113#, 120#, 138# Spinel etc. all normal use. All the colors we can produce for you with good quality if you provide us samples.