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INVENTORIES, NET - Schedule of Inventories, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Inventory [Line Items]
Allowance for inventory obsolescence	$ (760)	$ (537)	$ (198)	$ (355)
Total inventories, net	49,132	38,292
Loose diamonds
Inventory [Line Items]
Inventory, gross	12,970	6,097
Fine jewelry and other
Inventory [Line Items]
Inventory, gross	$ 36,922	$ 32,732

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- Definition

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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