Cushion Shape Natural GIA Alexandrite. 1.69 cts


This 1.69 Carat Cushion Alexandrite is 100% Natural (like all our Alexandrites). As a GIA Researcher once told me why Alexandrite is so rare: 


“the need for beryllium in the chrysoberyl combined with chromium impurities which cause the color change. These two elements rarely occur together in nature. The beryllium forming material  must be pushed up via magma closer to the surface where chromium is found, but while the crystal is still growing. Emeralds also contain beryllium colored by chromium. Even though emeralds are rare, they are a silicate. Since silicon is so common in the earth, it is rarer to find non-silicon minerals like chrysoberyl and corundum. Ruby is one example of a gem that is a non- silicate with chromium. Ruby is already rare. So alexandrite just needs a lot of conditions to line up for it to form.”

With all those factors, this 1.69 is vivid and bright making it an even more attractive stone. A perfect gemstone to add to your collection!

1 in stock

SKU: 14166 Categories: , , Tag:


Watch this exact gem:

This video is of the actual gem you’ll be purchasing, filmed in our New York Office.

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We offer free domestic returns, and have a generous 30-day return policy.

Note: returns are not accepted on custom items or gems that have been mounted.

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