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How points are green gems?
The Emerald cut has 58 facets (25 crown, 8 girdle and 25 pavilion). So if you take 58x2=116 points you see at the corners of every flat facet. The most common and usually most valuable green stone is the Columbian Emerald which is usually ground/polished to the emerald style cut. This is not what points mean but what I think was asked. Points refer to carat weight with one carat 1.00 equalling 100 points so if it says it has 50 points of diamond on the ring you divide 50/100 or .5 carat of diamonds. Always divide points by 100 to get true carat weight. These are usually the accent stones, not the main stone, which is a solitaire and has the most value. The accent stones shine through the solitaire giving it more flash/brilliance and of course some on there own. The crystal structure of a true Columbian Emerald also gives it allot of extra brilliance. In a picture this looks like defects but if you look closely you see all the facets are still flat in a flawless Columbian. It is when you have eye visible black carbon, facet chips or crack that you have defects. Everyone knowledgeable wants the crystal for the brilliance.
