What factors determine the quality of Burmese rubies?

Placeholder Alt Text Fine-color, large, and eye-clean (lacking visible inclusions) rubies like this 11.01-carat stone from Myanmar are extremely rare and valuable. ... The GIA Laboratory uses a controlled set of comparison stones called masterstones to determine if corundum is ruby or if it's pink, purple, or orange sapphire. read more

Several factors affect the cut and proportion of rubies on the market. A ruby’s crystal shape dictates its suitability for certain cuts. The most common shape is a flat tabular hexagonal shape, but ruby crystals from some sources can be elongated. read more

Burmese rubies are considered as the best rubies due to its color which alone can shows the whole importance of burmese rubies. The price and value of the burmese ruby depends on its size and quality of the gemstone. read more