4.33 carat London Blue Topaz 11x9mm Oval Cut Gem

Tested on Refractometer: Topaz
Measurements: 11.2x9.1 mm, 6.3 mm deep
Weight: 4.33 carats
Cut: Oval
Color: London Blue
Clarity: Eye clean
Condition: Great, preowned. Some very light wear. See Photos.
Treatments: Irradiated (Almost all blue topaz has been irradiated.)