About Us Services


Hennig Tenders is a leading specialist in operating international diamond tenders. We hold regular diamond tenders for outside rough, polished, melee closeouts, fancy colour and special diamonds.

Diamond Tenders


Hennig Tenders has the ability to offer turnkey projects which include diamond valuing, sorting, tendering, and client selection. Our global reach allows diamond and jewellery buyers from all locations to access to these goods in a single tender, in a secure and discreet environment in Hennig & Co’s offices.

Hennig Tenders conducts the bidding at its Tenders on its user-friendly online Tender bidding platform. This system was developed in-house and provides clients with a completely secure closed bidding system. The system is geared towards providing our clients with a user-friendly and accessible environment for managing both sales and buys, thereby providing tender participants with a cutting edge experience that produces fast and measurable results.