The gems played a prominent role. In a technique to enhance their color, some of them received a thin layer of metal. Laws were created restricting the use of this technique as a result of its indiscriminate use.The pearls, rubies, sapphires, emeralds and grenades were the most used gemstones. In addition to the cabochon shape, facetted stones begin to emerge. It is the period where stoning began to develop.