A stunning art deco style ring crafted from sterling silver set with a central round blue cabochon lapis lazuli stone surrounded by sparkling marcasite gemstonesa gemstone so vibrant it was once ground up and used to tint only the finest focal points in renaissance paintings lapis lazuli is a rich deep blue semi precious gemstone daubed with golden pyrite freckles much loved not just in painting and semi precious jewellery lapis lazuli has also been used to create ornaments and even decorat