Blue is the color
…sapphire remains strongest, tanzanite selling well
Prices for fine blue sapphires over 5 carats limit consumer
access so color substitution creates demand for other blue gems.
The colored stone market turned an important corner during…
GemWorld articles are accessible by GemGuide members only.
Already a member?
Click here and Login
To access our archive of articles and get many other great features and benefits, become a member now!
Become a member