(2.5 minutes)

What are Hearts and Arrows? How can one verify that a round diamond is cut to achieve maximum optical sharpness, contrast and high light definition?

What’s the quality of the light this diamond gives off?
Diamonds with excellent optical symmetry emits light with greater sharpness and contrast quality.

The sharper the light the better!

Use a Hearts and Arrows viewer to verify a diamond’s optical symmetry quality.