*Ruby* There are a number of gemstones listed as birthstones for July, however, Ruby is the most common. In the Middle Ages, rubies were thought to bring good health, as well as guard against wicked thoughts, amorous desires and disputes. Rubies, along with other types of red stones, were said to cure bleeding. And it was believed that the ruby held the power to warn its owner of coming misfortunes, illness or death, by turning darker in color. It is said that Catherine of Aragon, first wife of King Henry VIII, predicted her downfall in seeing the darkening of her ruby. At Beaded Jewelry By Renee you will find a variety of July Birthstone Jewelry using Ruby Swarovski Crystals.