Jewelry Trends of Opal: The October Birthstone Opal, the most captivating gemstone that has captured the hearts of jewelry enthusiasts and gem collectors for centuries. It is specifically famous for its unique play-of-color, that is the reason why it is most in demand for creating exquisite pieces of gemstone jewelry. As we dive into the latest jewelry trends of opal, it’s clear that this mesmerizing crystal continues to make a statement in the world of fashion and accessories. Whether it is curated in sterling silver jewelry or paired with other gemstones, opal jewelry exudes a unique and captivating allure.