The emeralds we have are natural, untreated, Grade A
Each Emerald has an independent certificate.
The emeralds are in our Office in Coimbra-Portugal if you would like to schedule a visit.
Emeralds are precious gemstones known for their rich green color, primarily composed of beryllium aluminum silicate (BeAlSiO) with traces of chromium and vanadium giving them their distinct hue.
Key Properties:
Color: Deep green to bluish-green
Hardness: 7.5-8 on the Mohs scale
Transparency: Transparent to opaque
Luster: Vitreous (glassy)
Formation: Found in hydrothermal veins and pegmatites, often in association with quartz and feldspar.
Common Applications:
Jewelry- Used in rings, necklaces, earrings, and bracelets as a luxury gemstone.
Collectors & Investments -High-quality emeralds are valuable and sought after as investment pieces.
Industrial Use - Synthetic emeralds are used in optical instruments and lasers.
Spiritual & Healing Beliefs - Some believe emeralds bring luck, wisdom, and emotional balance.
Product Grades:
Emeralds are graded based on color, clarity, cut, and carat weight (the "Four Cs"):
AAA Grade (Gem-Quality) -Deep green, high clarity, few inclusions, very valuable.
AA Grade - Slightly lighter green with minor inclusions, still premium quality.
A Grade â?? More visible inclusions, slightly lower saturation but still used in fine jewelry.
B/C Grade -Noticeable inclusions, lighter or uneven color, often used in lower-end jewelry.
Industrial Grade -Synthetic or heavily included stones, used in optical applications and lasers.
Price per Carat/Ton:
Emerald pricing varies significantly based on quality and origin:
Low-Quality (Industrial): $10â??$100 per carat
Mid-Quality (Commercial): $100-$1,000 per carat
High-Quality (Gem-Grade): $1,000-$100,000+ per carat (Colombian, Zambian, or Brazilian origin)
For bulk purchases (by ton), raw emerald ore or lower-grade material is priced differently, depending on clarity, color, and market demand. Would you like assistance in finding specific suppliers or current market rates?