more than 400 were studied at the GIA Gem Trade Laboratory over several years to reveal additional information about the relationships between their color, clarity, and other gemological properties.

Perfectly usable for a wide range of topics. glitter simple luxury vintage light background in dark blue glitter simple luxury vintage light background in dark blue color blue diamonds background ...

Cubic zirconia can be produced in almost any color. Pink and yellow CZs can be used as convincing pink or yellow diamond imitations. Other color CZs make good imitations of darker red, purple, blue, ...

In 1989, Kriangkrai Techamong stole $20m of jewels and gems from his boss ... a rare 50-carat blue diamond the size of an egg. Only about 1 in 10,000 diamonds has a distinct body colour, says ...