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Gemstone Emerald
Emerald is a blue-green to green variety of beryl, a mineral group that also includes aquamarine. One of the most valuable and best-known gemstones of the beryl family is the emerald, which together with diamond, ruby, and sapphire forms the traditional “big four” precious gemstones.
Its exceptional green color has no equivalent among other gemstones and emerald owes it to trace elements of chromium and vanadium.
Gemstone Emerald
Emerald is a blue-green to green variety of beryl, a mineral group that also includes aquamarine. One of the most valuable and best-known gemstones of the beryl family is the emerald, which together with diamond, ruby, and sapphire forms the traditional “big four” precious gemstones.
Its exceptional green color has no equivalent among other gemstones and emerald owes it to trace elements of chromium and vanadium.
Why emeralds are popular
Up to Three Types of Inclusions
Some Colombian emeralds can contain up to three types of inclusions at once — small salt crystals, liquid, and gas bubbles.
Use in Jewelry
Emeralds have been used for decorative purposes and various rituals since ancient civilizations, including ancient Egypt and Rome.
Hexagonal Crystals
The finest emerald crystals form beautiful green hexagonal columns, whose natural beauty can rival even cut gemstones.
Emerald Quality Factors
Because emerald has a lower density than diamond, when comparing two stones of the same weight (1 carat), an emerald often appears visually larger.
The most desirable shade of emerald is a pure green or slightly bluish-green color with strong saturation and deep brilliance, emphasizing its natural elegance and rarity.
Internal inclusions are common and generally tolerated in emeralds. Visually clean stones without inclusions are extremely rare and highly valuable.
Due to internal inclusions, cutting emeralds can be very challenging. For this reason, gem cutters developed a special cut known as the emerald cut, which highlights the gemstone while protecting it from damage.
The color of emeralds is considered the most important quality factor — often even more important than in other gemstones.
The most prized is the so-called Colombian emerald, whose color has a rich green tone with a subtle bluish undertone. Interestingly, the term “Colombian emerald” does not necessarily mean the stone was mined in Colombia.
The same principle applies to the slightly yellowish Brazilian emeralds.
Internal inclusions in emeralds influence their value, but they are generally considered natural and acceptable characteristics of this gemstone. They are a natural part of the green variety of beryl.
Emeralds with heavily disrupted clarity have significantly lower value than nearly flawless or completely flawless stones, which are extremely rare and difficult to find on the market.
Because emeralds have high cleavage, their cutting is extremely demanding. For this reason, cutters created a characteristic shape known as the emerald cut (named after the gemstone itself).
This is a rectangular shape with beveled corners that allows the emerald to fully stand out while protecting it from excessive mechanical stress.
Another unique cut is the trapeze cut, which divides collectors and investors into two groups — some consider it exceptional and desirable, while others prefer different shapes.
In addition to these specific cuts, emeralds are also commonly cut into other shapes, such as oval or pear, which highlight their natural beauty.
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