v3.26.1
EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Net loss attributable to Brilliant Earth Group, Inc., BASIC $ (1,511) $ (466)
Net loss attributable to Brilliant Earth Group, Inc., DILUTED $ (1,511) $ (466)
Weighted average shares of common stock outstanding, BASIC (in shares) 15,811,843 14,111,624
Weighted average shares of common stock outstanding, DILUTED (in shares) 15,811,843 14,111,624
BASIC earnings per share (in dollars per share) $ (0.10) $ (0.03)
DILUTED earnings per share (in dollars per share) $ (0.10) $ (0.03)
Vested LLC Units    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded (in shares) 84,942,318 84,947,596
RSUs    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded (in shares) 3,624,231 3,587,487
Stock options    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded (in shares) 656,821 665,905
Unvested LLC units    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded (in shares) 0 17,587