Decorative articles having a changeable observed colour effect

A method of making a decorative article with an observed colour effect that is changeable depending on observer viewing angle;

• the method comprising steps of:
• providing an at least partially transparent or translucent decorative element comprising a front side facing a forward direction and a back side opposite the front side facing a rearward direction, wherein the front side comprises a table facet, wherein the back side comprises a back surface having a first region that defines a boundary extending around the back surface and a second region that is adjacent to and borders an entirety of the boundary of the first region, and wherein the back side tapers towards a tip along the rearward direction, the first region is adjacent to the tip, the second region is remote from the tip, wherein the boundary is defined by a perimeter of a planar cross-section of the back side, and wherein a diameter of the planar cross-section is substantially equal to a diameter of the table facet;
• arranging a first coating over all of the first region of the back surface, the first coating causing a first colour effect, and
• arranging a second coating over all of the second region of the back surface, the second coating causing a second colour effect that differs from the first colour effect.