We all know that gemstones look different in flourescent, incandescent and sunlight, but did you know that gemstones also have a different color based on where you view it in the world (i.e., your latitude)? For example, a Burmese ruby that looks pinkish-red in Burma will appear a beautiful red in Japan. But a beautiful red ruby in Burma will appear darker in Japan- too dark, in fact, such that it would command a lower price.  Ruby buyers therefore purchase different color shades of ruby (as it appears to them in Burma) depending on what market they are buying for.