Untreated Colombian Emerald Ring, 4.17 Carats

Weighing a dazzling 4.17 carats, this rare untreated Colombian emerald radiates with the incomparable green color found exclusively in emeralds from this South American country. The square modified emerald-cut gem is certified by the American Gemological Laboratories (AGL) and GemResearch SwissLab (GRS) as being Colombian in origin and unenhanced, meaning its beauty is completely natural. Encircling the rare gemstone are white diamonds weighing 3.27 total carats, all set in platinum. 

For centuries, Colombia has been renowned for the beauty and richness of their emeralds and is historically the location of some of the most important emeralds ever discovered. Colombian emeralds tend to have more trace amounts of chromium compared to other emeralds, which typically gives them their deep, saturated green hue that is free of any bluish tinge. While many examples - particularly large stones such as this - are treated with oil to hide flaws or improve color, this gem is one of the extremely rare no-oil examples.

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