Grunberger Diamonds

Grunberger Diamonds is the world’s largest producer of Ideal Cut with Hearts and Arrows diamonds, the finest diamonds in the world. Specializing in sizes from .7mm to 3.9mm (.00175 carat to .23 carats), we manufacture hundreds of thousands of diamonds a month, in over 40 qualities…each ideal cut with hearts and arrows. Our diamonds can be calibrated to within .00250 of a millimeter, ensuring that they will match and fit the settings you designed while being the most beautiful choice you can make. As an AGS Supplier, we adhere to the highest level of grading standards and business ethics.