From the French for 'a thousand grains', the tiny beads of a milgrain accent can add complexity and detail to a Ruby design, as well as create a vintage or antique look. Ruby is known as the gem of courage. Wearing a ruby pendant can help you get through the trials and tribulations of life. Sapphire has always been associated with the sacred and divine. A sapphire pendant is said to bring serenity and purity to the wearer.