Inside the Vault
A transparent look at our emerald co-ownership investments
Learn About Emeralds
Discover the geological wonders and investment potential of emeralds
Explore Emeralds in DepthPortfolio Metrics
Current valuation and performance of our emerald holdings
*Current vault holdings are a test portfolio only. The standard portfolio is currently under evaluation and will be published in Q1 2026.View EmGEMx Proof of Reserve on Chainlink
Emerald Standard Unit (ESU)
Our ESU system creates a standardized measurement for emerald valuation, enabling transparent pricing and clear value appreciation tracking for token holders.
Standard Portfolio
Portfolio Composition
- Initial value: USD 1M
- Quality grades: 4-8
- Weight range: 1ct to 2ct
Function
Re-evaluated monthly to establish the basis for ESU value. Any gemologist can compare their stones to our reference stones to determine ESU worth.
Main Portfolio
Portfolio Composition
- Open-ended composition
- Any emerald can be included
- Flexible investment approach
Valuation Method
All stones are evaluated through our Standard Portfolio benchmark, ensuring consistent and transparent valuation across the entire collection.
ESU System Benefits
Transparent Valuation
Clear understanding of emerald worth in ESU terms
Value Appreciation Tracking
Clear demonstration of investment performance over time
Market Standardisation
Establishing industry benchmarks for emerald valuation
Portfolio Holdings
Explore our curated emerald collections with independently verified holdings securely stored in Switzerland freeport vault.
Standard Portfolio Holdings
The Standard Portfolio represents our reference collection used to establish the Emerald Standard Unit pricing benchmark.
Portfolio Composition by Quality (per carat)
Information Will Be Provided Soon
Detailed portfolio holdings will be available to approved investors shortly
Understanding Emerald Quality Grades
Exceptional
Eye-clean with exceptional color, clarity, and cut. These gems represent the pinnacle of emerald quality, with vibrant, rich green color and remarkable clarity. Reserved for the finest specimens in the world.
Superior
Nearly eye-clean with excellent color saturation and minimal inclusions visible only under magnification. These gems display excellent transparency and brilliance with rich green color.
Fine
Very good color with minor inclusions visible to the naked eye. These gems offer an excellent balance of quality and value, with appealing green color and good transparency.
Good
Good color with moderate inclusions visible to the naked eye. These gems have noticeable inclusions but maintain good color and acceptable transparency.
Commercial
Acceptable color with significant inclusions visible to the naked eye. These gems have more pronounced inclusion patterns but still maintain the characteristic green color of emeralds.
*Based on GemGuide quality grading standards. Emeralds are naturally included gems, and their quality is evaluated differently from other gemstones.
Emerald Origins & Characteristics
Brazil
Brazilian emeralds typically display a distinct bluish-green color and are sourced primarily from the states of Minas Gerais, Bahia, and Goiás. Their unique color profile and excellent value make them increasingly popular in the fine gemstone market.
Key Characteristics:
- •Medium to dark bluish-green color
- •Often more included than Colombian emeralds
- •Excellent value proposition
- •Growing market recognition
Colombia
Colombian emeralds are world-renowned for their vivid, pure green color without blue or yellow secondary hues. The mines of Muzo, Chivor, and Coscuez produce the most coveted emeralds in the world, characterized by a warm, vibrant green that is considered the benchmark for emerald color.
Key Characteristics:
- •Legendary pure green color
- •Often feature 'jardin' (garden-like inclusions)
- •Command premium market prices
- •Considered the gold standard of emeralds
Zambia
Zambian emeralds are known for their deep, slightly bluish-green color and excellent clarity. Mined primarily in the Kafubu River area, these emeralds have gained significant market recognition for their consistency in color and clarity, often featuring fewer inclusions than emeralds from other origins.
Key Characteristics:
- •Deep bluish-green color
- •Often cleaner than Colombian emeralds
- •More uniform color distribution
- •Excellent transparency
Next Steps
Ready to explore emerald co-ownership for your portfolio?