London Blue is the current market favorite. It is only slightly more expensive than Swiss Blue topaz. Colorless Topaz Crystal: This crystal is from the Mimoso do Sul Mine in Brazil.
Which is more valuable topaz or citrine?
Topaz is mostly found in yellow color…. The most valuable colors of Topaz are the golden orange-yellow type known as ‘Imperial Topaz ‘. The deepness of the color with reddish hues adds value to the gem and is very desirable. The colorless or less expensive variety of Blue Topaz will be comparable in price to Citrine.