CTHR - Charles & Colvard Ltd. 2022 Q4 - Results - Earnings Call Presentation September, 01 2022 06:56 PM Charles & Colvard Ltd. The following slide deck was published by Charles & Colvard, Ltd. in conjunction with their 2022 Q4 earnings call. For further details see: Charles & Colvard, Ltd. 2022 Q4 - Results - Earnings Call Presentation