Add a touch of timeless glamour to your hands with this beautiful Art Nouveau style ring crafted in gold plated sterling silver, featuring a central marquise cut blue topaz gemstone surrounded by sparkling marcasite stones. Gemstone Information Topaz is allochromatic, meaning imperfections and impurities in their structure are the cause of their many respective colours. Marcasite is a type of pyrite which reflects with a captivating metallic charm. Popular in the Victorian era of jewellery making, marcasite gems were once used as an affordable substitute for the sparkle of a diamond. Jewellery Collection Bring a touch of old world glamour to the modern day with the Gemondo Art Nouveau inspired collection. This range celebrates the iconic art movement through nature-inspired, asymmetrical designs paired with colourful gemstones.