Color Stone Education

Gemstones are scrutinized far less severely for clarity than diamonds. In ruby, emeralds and sapphires and all other gemstones the main criteria is whether it is eye clean or not. Learn more about Clarity here.

In gemstones color is the main criteria in determining its value. Unlike diamonds cut, clarity and carat weight don't have as significant of an impact in its value as color. Learn more about the color in this section.

Carat weight is the unit of measurement that is used by the jewelry industry to weigh all gemstones. We provide a chart in this section which will help provide an idea of how big a particular weight gemstone will physically look.

Cut grading is very similar to clarity grading for gemstones in that it plays much less of a role in value of gemstone than it does for diamonds. Few main points to note about cut are...

There are various types of treatments in gemstone like ruby, sapphire and emeralds. We list few of the main ones here and provide information on what is accepted and what is not.

Ruby, Sapphires and other gemstone come from various different mines around the world. The origin of these gemstones often has a significant impact on their prices. Click here for further details.

There are hundreds of Laboratories around thee world providing certifications and appraisals. Unfortunately, often these labs vary in their strictness in grading of the gemstones. Here we provide list and detail on only the most respected and well known.

It is a very common question among ruby and sapphire consumers to ask "Should I purchase heated or unheated Gemstone?" In this section we will provide you our opinion and why would one choose one over the other.