Ruby is known as the gem of courage. Wearing a ruby pendant can help you get through the trials and tribulations of life. A sapphire is said to bring serenity and purity to the wearer. Wear a pink sapphire pendant for serenity and purity with a splash of fun and irreverence. A sapphire is said to bring serenity and purity to the wearer. Wear a pink sapphire pendant for serenity and purity with a splash of fun and irreverence.