This exceptional D Flawless diamond, graded as the perfect colour and clarity, has also been judged to have the perfect 'make', with both Excellent polish and Excellent symmetry. As such, it is the largest recorded heart-shaped D Flawless diamond, with both Excellent polish and Excellent symmetry, ever to be sold at auction, and by definition, the Perfect Heart.

The largest D Flawless Excellent Polish Excellent Symmetry diamonds offered at auction:

63.93 carats Oval Christie's Geneva 19 November 2003, lot 361
50.01 carats Rectangular Christie's New York 12 April 2005, lot 418
51.27 carats Pear Christie's New York 20 April 2004, lot 482
51.24 carats Oval Christie's Geneva 19 May 2004, lot 269
37.01 carats Heart Christie's Geneva 16 November 2006, lot 645