10mm Round Loose Blue Topaz Gemstone 4.22 Carats

Blue Topaz
Measurements: 9.8-10.05mm round, 6.35mm deep
Weight: 4.22 carats
Color: Sky Blue
Cut: Round
Treatments: Most blue topaz has been irradiated
Condition: Good
This was sourced from preowned jewelry. May show slight signs of wear. See photos.