Loose diamonds

At Hartmann's, we have many different kinds of loose diamonds in our range. In addition to white diamonds in various sizes and cuts, we have direct access to the major worldwide diamond auctions for rare loose diamonds and investment diamonds.

Argyle Pink Collector’s Edition

Intense Argyle Pink and Argyle Blue diamonds are highly coveted gemstones. Hartmann’s now presents the ‘Collector's Edition– a small collection of hand-picked pink and blue diamonds from the Argyle Diamond Mine. The diamonds are securely sealed and come with a certificate from the International Gemological Institute in Antwerp. 

The ‘Collector's Edition’ collection is composed of highly sought-after collectible diamonds that are only offered in limited numbers.