The Maison Citoyenne
La Citoyenne bridges the soul of Colombia with the elegance of Paris. We source natural Colombian emeralds from the historic regions of Muzo, Chivor, and Coscuez—selected for their color, presence, and authenticity. Based in France, we offer loose emeralds and a curated selection of jewelry, with full transparency on origin, quality, and sourcing.
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70%
World's Emerald Supply from Colombia
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500
Years of Mining History
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3
Legendary Mine Regions
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65M
Years of Creation
Origin Matters
Origin shapes everything — color, character, and legacy. Each region produces emeralds with a distinct signature.
Muzo
Muzo Mine
The most iconic emerald region in Colombia, celebrated for rich, vivid greens and legendary depth. Muzo stones are prized for their intense saturation and unmistakable presence.
Characteristics
Iconic deep green, high saturation, timeless prestige
Chivor
Chivor Mine
A historic source of refined emeralds known for their luminous clarity and elegant blue-green tones. Chivor stones often reveal a cooler glow—distinct, delicate, and highly sought after.
Characteristics
Blue-green brilliance, luminous transparency, elegant character
Coscuez
Coscuez Mine
One of Colombia’s great emerald regions, admired for stones with strong color, natural character, and remarkable individuality. Coscuez emeralds are valued for their personality and authenticity.
Characteristics
Vibrant green, natural “jardin”, unique personality
The 4 Cs for Emeralds
While inspired by diamond grading, emerald evaluation requires specialized knowledge. Understanding these factors helps appreciate why Colombian emeralds command such reverence.
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Colour
THE MOST IMPORTANT FACTOR
Color is the first element the eye notices—and the most decisive in an emerald’s value. The finest Colombian emeralds are admired for their vivid green, strong saturation, and elegant balance of tone.
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Vivid, balanced green
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High saturation
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Medium to medium-dark tone
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Even color distribution
Clarity
THE GARDEN WITHIN
Emeralds naturally contain inclusions known as “jardin.” These internal landscapes are part of the stone’s identity and a signature of natural formation.
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Natural inclusions are expected
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Three-phase inclusions
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"Jardin" patterns
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Eye-clean preferred
Cut
ENHANCING NATURAL BEAUTY
A well-executed cut reveals the emerald’s depth of color and improves brilliance while protecting the stone. The classic emerald cut is designed to preserve beauty and durability.
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Emerald cut (classic)
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Step-cut faceting
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Corner protection
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Balanced proportions
Carat
SIZE & RARITY
Fine emeralds become exponentially rarer as size increases. A larger stone with strong color and good clarity can be exceptionally valuable.
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Rarity increases with size
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Quality over size alone
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Proportions matter
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Investment value (depending on quality)
Certification & Authentication
Every emerald comes with certification from ICGemlab, Colombia's leading gemological institute.
Instituto Colombiano de Gemología
ICGemlab
Origin Determination
Treatment Analysis
Quality Assessment
Authenticity
Specific mine location
Enhancement details
Color, clarity, cut evaluation
Natural vs synthetic