Covering element for a floor covering

A set comprising a plurality of covering elements, each covering element of the plurality of covering elements being a ceramic tile comprising:

• a support made of a ceramic material;
• an upper surface comprising a glaze covering, each of the upper surface and the glaze covering having a relief structure;
• and
• a plurality of edges,
• a lower surface comprising a second relief structure that is substantially specular to the relief structure of the upper surface, the lower surface being free from the glaze covering,
• wherein the relief structure comprises a plurality of excavations comprising a bottom surface and a depth,
• wherein the relief structure comprises a wood pattern or a stone pattern;
• wherein the depth of the excavations decreases towards at least an edge of the covering element, and
• wherein the set comprises a plurality of supporting elements configured to support the plurality of covering elements in a raised position relative to a surface to be covered, forming a cavity between the plurality of covering elements and the surface to be covered.