The world’s most perfectly cut princess cut diamond in the world…period.

A revolutionary new cut for maximum brilliance 
For the first time, a Patented Princess with brilliance that rivals an Ideal Round diamond. 

Other companies have advertising slogans or tag lines that claim their diamonds are the most perfectly cut. But the FireMark® Princess has been put to the test by the Gemological Institute of America (GIA), the world’s foremost diamond authority, and the Gem Certification & Assurance Lab (GCAL), a leader in grading the light performance of diamonds. And the results are unprecedented!     

  •  Unprecedented 98% average light return (95% minimum)
  • "Excellent" ratings from the GIA in both Polish and Symmetry
  • "Excellent" grades for Light Performance from GCAL