This "Davinchi" necklace has a specially cut gemstone that has been cut and faceted to absorb and reflect colors and light into the center gem from its surroundings, which enhances and changed the colors when viewed from different angles and different points of view creating a wonderful depth of field within the gem. This necklaces is has a sense of liveliness with its constantly changing sense of color and texture. Feels like wearing a masterpiece around your neck! 14K White Gold 8mm Blue Topaz, Emerald and Ruby (behind the center stone) Pendant featuring a 5mm pearl on 18" Chain.