Gemstones commonly used for brooches were emeralds, diamonds, rubies, amethyst and topaz. They were full of gold jewellery encrusted with diamonds, rubies, sapphires and emeralds. It is made of gold with diamonds, rubies, emeralds, sapphires, enamel and pearls. Myanmar produces precious stones such as rubies, sapphires, pearls, and jade. The jewels in the item include emeralds, sapphires, topaz, rubies, and diamonds. Weighing the gold piece is encrusted with rubies, sapphires and pearls. Other gemstones, such as sapphires, rubies, and emeralds have different systems. Rarer works from thimble makers utilized diamonds, sapphires, or rubies. Certain stones such as rubies, sapphires, tourmalines and topaz are optically anisotropic. The image is crowned, bejewelled with diamonds, rubies and sapphires. Each set consists of 37 items, made up of diamonds, rubies, emeralds, and sapphires. It is a simply designed golden cross set with precious stones (sapphires, rubies and pearls). Gemfields is a luxury company that produces emeralds, rubies, and amethysts. It is, however, still orders of magnitude cheaper than the highest grade sapphires or rubies. The crown is tipped with 5,448 diamonds and 2,317 rubies.