v3.26.1
EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Net income (loss) attributable to Brilliant Earth Group, Inc., BASIC $ 20 $ (166) $ (1,491) $ (632)
Add: Net income (loss) impact from assumed redemption of all LLC Units to common stock 822 0 0 0
Add (less): Income tax benefit (expense) on net (loss) income attributable to NCI (207) 0 0 0
Net income (loss) attributable to Brilliant Earth Group, Inc., after adjustment for assumed conversion, DILUTED $ 635 $ (166) $ (1,491) $ (632)
Weighted average shares of common stock outstanding, BASIC (in shares) 16,452,498 14,552,477 16,133,940 14,333,268
Weighted average shares of common stock outstanding, DILUTED (in shares) 101,681,331 14,552,477 16,133,940 14,333,268
BASIC earnings per share (in dollars per share) $ 0.00 $ (0.01) $ (0.09) $ (0.04)
DILUTED earnings per share (in dollars per share) $ 0.01 $ (0.01) $ (0.09) $ (0.04)
Vested LLC Units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Dilutive effects (in shares) 84,942,318 0 0 0
Antidilutive securities excluded (in shares) 0 84,961,455 84,942,318 84,954,564
RSUs        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Dilutive effects (in shares) 286,515 0 0 0
Antidilutive securities excluded (in shares) 2,356,151 4,328,224 2,537,297 3,959,902
Stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded (in shares) 656,821 665,905 656,821 665,905
Unvested LLC Units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded (in shares) 0 1,595 0 9,547