Custom Grown Single Crystal Diamond (SCD) Substrate Supplier

This subcontract is for the supply of nine custom-grown optical single crystal diamond bulk substrates to support prime contractors on projects for the Naval Research Laboratory within the Department of Defense. The supplier must produce substrates measuring 10.00 x 10.00 x 0.50 mm with a <100> primary orientation and specific custom miscuts of 4, 5, and 6, all finished with a fine mechanical polish. Production requires the use of custom diamond growth chambers utilizing either Chemical Vapor Deposition or High Pressure High Temperature methods. The opportunity is designated as a total small business set-aside under NAICS code 334413. Performance of the contract is centered in Washington, DC. Interested parties were required to respond by September 28, 2026, following the posting date of September 23, 2026.