Emerald is a member of the beryl family, belongs to beryllium aluminosilicate minerals, its unique emerald green by chromium and vanadium element color, known as the “king of emeralds”, is one of the five precious stones in the international jewelry industry. Emerald means “happiness, hope, life”, and Europeans regard emerald as a symbol of spring, a representative of fiery love, often as a thing of love between men and women.
💚Emerald color:
1⃣️GUILD Emerald color levels in Gilder’s lab: Light green, Medium green, Intense green , Vivid green, Deep green. Among Vivid Green, those with higher lightness and saturation can be rated as Verdant Green.
✅Verdant green, which comes from anywhere, is GUILD’s name for the top emeralds.
2⃣️ GRS evaluation system: Vivid green*, Vivid green, Green
✅Muzuo green, GRS LABS ‘term for top emeralds, produced in Colombia only.
3⃣️ When buying colored gemstones, the color criteria for selecting high-quality emeralds should be: high purity, moderate brightness, and high saturation.
💚Emerald cut and clarity:
Emerald cuts can be round, oval,pear, emerald cut, etc. Choose the right cut. The larger the carat, the more collectible it is on a budget.
Clarity: Emerald clarity level: IF>VVS>VS>SI>I
1⃣️ Pure emerald: Pure to the naked eye, with slight internal defects, this quality is rare and high premium.
2⃣️ Vitreous emerald: A small amount of inclusion, the overall appearance is not affected, recommended to buy!
3⃣️ Cream emerald: There are very serious inclusions, like cream, hazy and fuzzy, not recommended to buy.
💚 Emerald optimization:
Due to the growth conditions and gemological characteristics of emerald, it is often characterized by multiple cracks and rich inclusions, and it is difficult to find flawless gems. Therefore, emeralds usually need to be optimized for clarity. The main optimization treatment types are filling method, splicing, laminating treatment, etc. The most common is also accepted by the public is colorless filling treatment, so that the emerald clarity is improved.
1⃣️ There are 5 grades of oil for emeralds: None , Insignificant , Minor , Moderate , Significant.The pursuit of cost-effective recommended insignificant and minor, if the budget is sufficient can consider None.
2⃣️ Emerald optimization can be divided into optimization and treatment
⭕️ Optimization:Optimization generally refers to the use of colorless oil soaking, is internationally recognized as reasonable, one of the most common gem treatment means, can be assured to buy ✅
⭕️ Treatment: The treatment of emeralds mainly includes dipping colored oil, filling, loose color, coating, etc., it is not recommended to buy ❌
💚 Emeralds producing area:
The most famous and major producing areas are: Colombia, Zambia, Afghanistan, Pakistan, Brazil.
Famous mining areas include: KAGEM in Zambia, SWAT in Pakistan, PANJSHIR in Afghanistan, and MUZO/CHIVOR/Chivor in Colombia.
✅Colombian origin of emeralds is more pure, emerald more beautiful, but the production is small, the price is relatively high.
✅Zambia’s emerald color is slightly gray blue as a whole, the crystal is generally good, the output is relatively stable, and the cost performance is high.
✅The emerald of Afghanistan is a collection of Sri Lanka’s color clarity characteristics, the color is green, bright green, the price is lower than Colombia.
✅Emeralds produced in Pakistan are bright in color and of equal quality to those produced in Colombia, but with smaller grains.
💚 Common identification certificates of emeralds:
The main emerald certification is divided into:
Collection Auction class: Gubelin, SSEF
Daily consumer class: GRS, GUILD, AIGS, NGTC National inspection
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