---
title: "Brilliant Earth Group, Inc. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ec768eda-c296-5ab7-a7a4-c3819726209f
json: https://whiteintel.dev/api/public/dossier/ec768eda-c296-5ab7-a7a4-c3819726209f
identifier: sec:0001866757
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Brilliant Earth Group, Inc.

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001866757`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/ec768eda-c296-5ab7-a7a4-c3819726209f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ec768eda-c296-5ab7-a7a4-c3819726209f  

## Ownership & control

### Owners / controllers

- **Mainsail Partners III, L.P.** (10% owner) — https://whiteintel.dev/entity/853bec9d-010c-56a5-a1ba-a71d00454a49
- **MAINSAIL INCENTIVE PROGRAM, LLC** (10% owner) — https://whiteintel.dev/entity/2b66b0c4-b5ef-5d83-92e8-dd1b80e56244
- **Mainsail Co-Investors III, L.P.** (10% owner) — https://whiteintel.dev/entity/fe7f1452-b7b8-5ba7-ada6-cf2051c04c71
- **MAINSAIL GP III, LLC** (10% owner) — https://whiteintel.dev/entity/ff75382c-dfb0-57bf-ae61-f282ff273bf6
- **MAINSAIL MANAGEMENT COMPANY, LLC** (10% owner) — https://whiteintel.dev/entity/409f3315-aa02-5cfc-9b6e-cd076af1908f
- **TURNER GAVIN** (10% owner) — https://whiteintel.dev/entity/5cf07321-7d75-5d03-b8be-a753f5bb0c0a
- **MAINSAIL MANAGEMENT COMPANY, LLC** (tenpercentowner) — https://whiteintel.dev/entity/409f3315-aa02-5cfc-9b6e-cd076af1908f
- **Mainsail Partners III, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/853bec9d-010c-56a5-a1ba-a71d00454a49
- **MAINSAIL INCENTIVE PROGRAM, LLC** (tenpercentowner) — https://whiteintel.dev/entity/2b66b0c4-b5ef-5d83-92e8-dd1b80e56244
- **TURNER GAVIN** (tenpercentowner) — https://whiteintel.dev/entity/5cf07321-7d75-5d03-b8be-a753f5bb0c0a
- **Mainsail Co-Investors III, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/fe7f1452-b7b8-5ba7-ada6-cf2051c04c71
- **MAINSAIL GP III, LLC** (tenpercentowner) — https://whiteintel.dev/entity/ff75382c-dfb0-57bf-ae61-f282ff273bf6
- **GERSTEIN BETH TAMARA** (tenpercentowner) — https://whiteintel.dev/entity/a6d57bd8-3aed-5655-93fb-d7d66e8f48e0
- **JUST ROCKS, INC.** (tenpercentowner) — https://whiteintel.dev/entity/ad4dd798-53d5-5a8e-bc73-9a5f90c55172
- **GROSSBERG ERIC SCOTT** (tenpercentowner) — https://whiteintel.dev/entity/7e746cf9-6699-5046-8c95-8a9f163c062d

### UBO chain (walk to the ultimate owner)

A **39-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **Brilliant Earth Group, Inc.** — https://whiteintel.dev/entity/ec768eda-c296-5ab7-a7a4-c3819726209f · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Brilliant Earth Group, Inc.**. Human view: https://whiteintel.dev/entity/ec768eda-c296-5ab7-a7a4-c3819726209f · Structured JSON: https://whiteintel.dev/api/public/dossier/ec768eda-c296-5ab7-a7a4-c3819726209f._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._