Gemstones | RubyRubies are arguably the most precious and valuable of all colored gemstones. Rubies have been important in many cultures for thousands of years. Ruby is characterized by its vibrant shades of red, excellent luster (facets reflect light almost like a mirror), and hardness (it is difficult to scratch and therefore resilient). Very fine large gemstones of ruby are exceedingly rare. 6 Things You Should Know Before Buying a Ruby
The most valuable ruby is an intense, bright red, large in size (over 5 cts.), fairly clear and perfectly cut (faceted). Here is a Summary of Rubies of Different Levels of Quality and Value: |