This art deco statement ring is the perfect addition to your jewellery collection featuring a large oval lapis lazuli stone surrounded by glistening marcasite gemstones 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 decorate ancient egyptian tombs and statues once used as a substitute for the shine of a diamond the natural se