Emeralds owe their intense green color to trace chromium and vanadium within the beryl crystal lattice, featuring natural internal fractures affectionately known as 'jardin'.
1. Clarity Enhancement Grading Standards
| Enhancement Classification | Substance Utilized | Market Impact | Care Recommendation |
|---|---|---|---|
| None (Untreated) | No foreign substances present | Top 1% Value Tier (Extremely Rare) | Gentle warm soapy water only |
| Minor (Insignificant) | Traditional Cedarwood Oil | Standard luxury market grade | Avoid ultrasonic and steam cleaning |
| Moderate / Significant | Polymer Resins (Opticon, Excel) | Significant price discount (30–60%) | Resin may yellow over time under UV |