Yellow zircon is rarely heat treated to improve color. Blue, red and colorless are always heat treated brownish crystals to produce these colors. More information on gemstone enhancements. Heated to improve color. Heated to improve color.
Prices are subject to change without notice.
Actual carat weight may vary from the average carat weight listed. AA Blue Zircon, Clean, medium dark, slightly greenish-blue, good cut. All rights reserved.