Rubies light the July band in our birth stone eternity jewelry collection, accentuating the summer bright colour of the blazing scarlet July birth stone. The dazzling July birth stones were quite cherished in ancient times and the Middle Ages, as people at that time believed they could protect the wearer from harm, and darkened in color when threats approached. A the July birthstone is formed from the same minerals as the sapphire, and both are usually found jointly in the same mineral deposits.