Reply To: 2020 Grandmasters stone › Forums › General Discussion › 2020 Grandmasters stone › Reply To: 2020 Grandmasters stone January 15, 2020 at 2:45 pm #6086 Alan BalmerKeymaster @alanbalmer To boil it all down, the width should be measured as marked on the diagram. Surely a Grand Master candidate can interpret a GemCad diagram.