v3.19.3.a.u2
Document and Entity Information - shares
6 Months Ended
Dec. 31, 2019
Jan. 31, 2020
Cover [Abstract]    
Entity Registrant Name CHARLES & COLVARD LTD  
Entity Central Index Key 0001015155  
Current Fiscal Year End Date --06-30  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Common Stock, Shares Outstanding   28,981,910
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Dec. 31, 2019  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q2  
Entity Address, State or Province NC