From the French for 'a thousand grains', the tiny beads of a milgrain accent can add complexity and detail to a Lab 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. An amethyst pendant is said to bring spirituality, tranquility and peace to the wearer. It is even said to help one succeed in business.