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Factors Behind an Emerald’s Price

What dictates an emerald’s price is mainly the 4Cs of color, clarity, cut, and carat weight in that order. However, there are other factors that heavily impact price too like treatments, international customs, number and arrangements of inclusions, and more.


The 4Cs of value are pretty obvious, since these are entirely dependent on how the cut emerald looks. There is no concrete evaluation before this, because the skill of the gem cutter is what determines the quality of the faceted rough.

The cutter’s skills also determine the amount of carat weight retained from the rough crystals they cut, and how much they can make from their trade overall. A bad cutter can produce low-quality gems from high-quality crystals, wasting precious material.

Ideally Colored and Clear Emerald


Emerald ID: E1184- Weight: 2.34 Carats – Origin: Zambia – Price: $10,542

  • Color – Emeralds show a very unique color of green that is three dimensional and needs to be seen in-person. It is incredibly difficult to capture on media. Th color is always intense and vivid, and there is a narrow range of possible colors. The most desirable is a slightly bluish green, though the exact color is a matter of taste. However, this is the driving reason people buy emeralds.
  • Clarity – Emeralds are almost always included aside from the very, very few that do not need oil treatment. The exact clarity also affects durability, making them brittle in comparison to other gems. These inclusions can also limit the amount of usable emerald rough too.
  • Cut – As stated above, the cutter needs to work around the uncut, gem rough and all the emerald inclusions. The rough is usually what determines the cut for the cutter.
  • Carat Weight – A gauge of how rare and marketable the gem is. Usually the larger the rough, the more expensive it is.

If the quality is low enough however, larger gems can be less expensive than smaller ones. For example, emerald E914 to the right is much larger than E1237 above, yet it is less than half the price due to its dark inclusions showing against the bright, green color. Despite the size, it is much lower quality overall.

E914 | medium | play

Emerald ID: E914 – Weight: 3.26 Carats – Origin: Ethiopia – Price: $4,824.80


High-Viscosity, Lab Grade Cedar Oil

Emeralds cannot take many treatments due to their inclusions. They also cannot be heated since that makes them lose their color. The main treatments used on them are oil and resin filling for the fractures. This makes them less visible and improves the emerald clarity overall. Oil is usually preferred over resin because the resin cannot be removed cleanly, though there are some places that claim they can with their specialty resin.

The few emeralds that are untreated and have relatively few inclusions are made incredibly expensive due to the rarity.

International Customs

Part of the cost is driven by transportation of these items. Emeralds mainly come from Columbia in South America and Zambia in Africa, which means they are overseas imports. Sometimes there are trade bans on certain items due to political problems, which makes the price on goods bought and sold before the bans skyrocket.

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