X0306 4 2021-09-27 0 0001866757 Brilliant Earth Group, Inc. BRLT 0001883883 Gerstein Beth Tamara C/O BRILLIANT EARTH GROUP, INC. 300 GRANT AVENUE, THIRD FLOOR SAN FRANCISCO CA 94108 1 1 1 0 Chief Executive Officer Class C Common Stock 2021-09-27 4 D 0 727613 0.00 D 49505250 I See Footnote Common Units 2021-09-27 4 D 0 727613 11.22 D Class D Common Stock 727613 49505250 I See Footnote Reflects the cancellation for no consideration of Class B Common Stock in connection with the redemption of the Common Units for cash. The Class C Common Stock will automatically convert into one share of Class B Common Stock upon the earlier of (1) the 10-year anniversary of the date of the closing of the Issuer's Initial Public Offering and (2) the date on which the Reporting Person ceases to hold at least 8% of the aggregate number of shares of all classes of the Issuer's Common Stock then outstanding. Held by Just Rocks, Inc. The Reporting Person owns her shares of Just Rocks, Inc. through The Best T. Gerstein 2021 Annuity Trust, The Alexander M. Sutton 2021 Annuity Trust and The Sutton-Gerstein Family Trust, each of which Ms. Gerstein is the Trustee and has voting power and investment power over such shares. The Common Units may be redeemed by the Reporting Person at any time for shares of Class A Common Stock on a 1-to-1 basis, and a corresponding number of shares of Class B Common Stock will be forefeited in connection with the redemption. The Common Units have no expiration date. As described in the prospectus filed by the Issuer with the Securities and Exchange Commission, upon the closing of the initial public offering and the underwriters' exercise of the additional shares, the Issuer redeemed the Common Units from the Reporting Person. The Common Units are fully vested. Exhibit 24 - Power of Attorney. /s/ Jeffrey Kuo as Attorney-in-fact for Beth Tamara Gerstein 2021-09-28