Loose Diamonds

Diamond inventory is constantly changing and different diamond inventory will be at either location. Please call to make an appointment to see the diamonds listed below. We also have access to over 10,000 diamonds - so if you are looking for something specific, please call. If you are looking for a 2 carat D VS Round diamond, we can have 2-3 to look at, not just one!


Each Diamond Graded by the Latest Technology

This is a partial listing, we have a huge inventory to choose from, featuring well cut to ideal cut diamonds. We have diamond cutters across the world. WE can get you almost any cut, size, color, clarity of diamond you are looking for! Please contact Eric at 414.281.0500 or 866.281.5543 to ask us about our inventory or to purchase any diamond listed here. We want your business, just let us know what we can do to earn it!

Diamonds with available online reports

Brilliance (Brill), Dispersion (Disp) and Scintillation (Scint) combine to create the awesome sparkle of a Robert Haack diamond. The values range from a high of Ideal (ID) where the light return is equal to an Ideal cut diamond, to Excellent (EX) where the light return is equal to an Excellent cut diamond, to a still stunning Very Good, (VG), where the light return is equal to a Very Good cut diamond.

Diamonds with reports available at Robert Haack Diamonds

A full and unbiased Light Return Analysis and report is available at our showroom for every diamond that we sell.