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v3.22.1

Business and Organization (Details) $ / shares in Units, $ in Millions |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 27, 2021 USD ($) $ / shares shares | Sep. 22, 2021 USD ($) shares | Dec. 31, 2021 shares | Dec. 31, 2021 segment | Sep. 23, 2021 shares
Concentration Risk [Line Items] |  |  |  |  |
Number of operating segments | segment |  |  |  | 1 |
Number of reportable segments | segment |  |  |  | 1 |
Tax benefit distributions to noncontrolling interest holders, percent | 85.00% |  | 85.00% | 85.00% | 85.00%
Class P Warrants |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Warrant carrying value | $ |  | $ 6.4 |  |  |
Conversion of convertible securities (in shares) |  | 534,589 |  |  |
Class A Common Stock |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Conversion of stock, shares issued (in shares) |  |  | 28,053 |  |
Class B Common Stock |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Stock issued during period, shares, new issues (in shares) | 36,064,421 |  | 144,031 |  |
Class C Common Stock |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Stock issued during period, shares, new issues (in shares) | 50,232,863 |  |  |  |
Class B And Class C Common Stock |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Common stock, shares, cancelled (in shares) | 1,249,999 |  |  |  |
Class F, P and M Units Converted Into Common LLC Units |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Conversion of stock, shares issued (in shares) | 86,297,284 |  |  |  |
Conversion ratio | 1.8588 |  |  |  |
Class F Units Converted Into Common LLC Units |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Conversion ratio | 1.8942 |  |  |  |
Class P Units Converted Into Common LLC Units |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Conversion ratio | 1.9080 |  |  |  |
Class M Units Converted Into Common LLC Units |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Conversion ratio | 1.7735 |  |  |  |
LLC Units Converted Into Class A And Class D Common Stock |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Conversion ratio | 1 |  | 1 | 1 |
Brilliant Earth, LLC |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Economic interest percent |  |  |  | 10.10% |
Brilliant Earth, LLC |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Noncontrolling interest, number of shares purchased (in shares) |  |  |  |  | 8,333,333
Purchase of units from noncontrolling interest | $ | $ 93.5 |  |  |  |
Brilliant Earth, LLC | Member Units |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Noncontrolling interest, number of shares purchased (in shares) | 8,333,333 |  |  |  |
Continuing Equity Owners |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Noncontrolling interest, number of shares purchased (in shares) |  |  |  |  | 1,249,999
Purchase of units from noncontrolling interest | $ | $ 14.0 |  |  |  |
Continuing Equity Owners | Class B Common Stock |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Stock redeemed (in shares) | 522,386 |  |  |  |
Continuing Equity Owners | Class C Common Stock |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Stock redeemed (in shares) | 727,613 |  |  |  |
Continuing Equity Owners | Member Units |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Noncontrolling interest, number of shares purchased (in shares) | 1,249,999 |  |  |  |
IPO |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Payments of stock issuance costs | $ | $ 13.4 |  |  |  |
Sale of stock, price per share net of underwriting discount (in dollars per share) | $ / shares | $ 11.22 |  |  |  |
IPO | Class A Common Stock |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Number of shares issued in transaction (in shares) | 9,583,332 |  |  |  |
Sale of stock, price per share (in dollars per share) | $ / shares | $ 12.00 |  |  |  |
Consideration received on transaction | $ | $ 101.6 |  |  |  |
Over-Allotment Option | Class A Common Stock |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Number of shares issued in transaction (in shares) | 1,249,999 |  |  |  |
Revenue from Contract with Customer Benchmark | Geographic Concentration Risk | United States |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk, percentage |  |  |  | 90.00% |

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