| Cover | Feb. 03, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 3, 2022 |
| Entity File Number | 000-23329 |
| Entity Registrant Name | Charles & Colvard, Ltd. |
| Entity Central Index Key | 0001015155 |
| Entity Tax Identification Number | 56-1928817 |
| Entity Incorporation, State or Country Code | NC |
| Entity Address, Address Line One | 170 Southport Drive |
| Entity Address, City or Town | Morrisville |
| Entity Address, State or Province | NC |
| Entity Address, Postal Zip Code | 27560 |
| City Area Code | 919 |
| Local Phone Number | 468-0399 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, no par value per share |
| Trading Symbol | CTHR |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
