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Description of Business and Summary of Significant Accounting Policies (Details)	Jun. 30, 2023 showroom
Noncontrolling Interest [Line Items]
Number of showrooms	32
Brilliant Earth, LLC
Noncontrolling Interest [Line Items]
Noncontrolling interest, ownership percentage	87.60%

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Number of Showrooms

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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