Synthetic green sapphires show lines at 5300 and 6870.
Synthetic color change sapphire price per carat.
Besides this if the quality remains the same larger color change sapphire stones sell for much higher prices.
This means that the stronger the percentage of the color change the more expensive the sapphire.
The standard for color change sapphires.
Natural green sapphires show lines at 4500 4600 and 4700.
However larger stones tend to have more inclusions and irregularities and hence lack in quality aspect.
See main sapphire gem listing for more information.
Some blue sri lanka sapphires also show a 6935 red fluorescent line and the 4500 line is very weak in these gems.
Some color change sapphires will have only a slight visual change while others have incredible 100 change of color.
These sapphires have various color change intensities from one stone to the next.
Synthetic color change sapphires show a line 4740.
Color change sapphires price per carat ranges from approx 1393 inr 105008 approx to 2334 approx inr 175870 approx per carat.