Gavin Turner Beneficial Ownership Filing

This filing details transactions by Gavin Turner, a director and 10% owner of Brilliant Earth Group, Inc. On August 24, 2026, Turner acquired 16,014 LLC Units, which are exchangeable for Class A Common Stock. This acquisition is deemed a purchase for Section 16(b) purposes and may be matched against prior sales, with a disgorged profit of $2,033. The shares are held indirectly through various entities, including Mainsail Partners III, L.P., Mainsail Incentive Program, LLC, and MCOI. Turner disclaims beneficial ownership except to the extent of his pecuniary interest.