CTHR - Charles & Colvard Ltd. 2023 Q1 - Results - Earnings Call Presentation November, 04 2022 05:34 PM Charles & Colvard Ltd. The following slide deck was published by Charles & Colvard, Ltd. in conjunction with their 2023 Q1 earnings call. For further details see: Charles & Colvard, Ltd. 2023 Q1 - Results - Earnings Call Presentation