HPJ REF. POINT: SUPERB TOP DIAMOND FIRE HUGE 5.72 CT VS1 IN SOUTH AFRICA

    Reference Point SUPER TOP DIAMOND FIRE 5.18 CARAT VVS VERY RARE ORANGE/YELLOW BICOLOUR (DOES NOT SHOW ON POOR IMAGE)  CAMBODIAN ZIRCON      GEM TYPE: CAMBODIAN ZIRCON CARAT WEIGHT: 5.72 CTS CLARITY: VS1 DIMENSIONS: 13.28 x 9.33 x 4.97mm CUT: PEAR ORIGIN:  PREAH VIHEAR, CAMBODIA TREATMENTS: NONE   Start out by forgetting all that you previously thought of the Zircon ! It has no relationship whatsoever with Cubic Zirconium.     Zircon is the oldest mineral on Earth - even older than the Moon, which formed over 4 billion years ago - take a look:   http://www.dailymaverick.co.za/article/2014-02-24-rock-around-the-clock-zircon-crystal-is-oldest-piece-of-earth/#.UwxH6bDNvIW   The fire in Zircon, called dispersion, is caused by light entering the gemstone and separating into a prism of rainbow colours.       Cambodia is the world’s premiere source for the natural Zircon. One hundred kilometres north of Angkor Wat, close to the Cambodian Thai border, are the mines of Preah Vihear. Remote, pristine, and mystically beautiful...