Definition of step-cut in English:

step-cut

adjective

  • (of a gem) cut in straight facets round the centre.

    • ‘Two samples of variety 3 cordierite were faceted: The larger stone weighs 3.9 carats and is a lozenge cut, and the other, a 3.4-carat stone, has a marquise crown and a step-cut pavilion.’
    • ‘If a step-cut diamond has rounded-off facets in the corners, this is a variant of the step-cut called the emerald cut.’