Step Cut RetroHex in Lab Sapphire 16.3ct dice The bubbles tend to correlate

The bubbles tend to correlate with the highest afterglow

These are select pieces of rough hand picked to make incredible dice

They actually do their best to prevent that from happening because it makes them less effective for technical use

Rutile has the highest dispersion of any transparent gem material

Crystals of rutile are grown for a few high end optical applications

Step Cut RetroHex in Lab Sapphire 16.3ct dice The bubbles tend to correlateThis is a step cut RetroHex in rich blue czochralski pulled lab sapphire. The stone weighs in at 16. 3 carats and measures 19x12. 4mm This is the second stone in my RetroHex design series!