Guides

Emerald Care & Maintenance: Expert Tips

How to clean, store, and protect your emerald jewelry for lasting beauty.

ER

Elena Rodriguez

Dec 28, 2025 · 5 min read

Senior Editor

Emerald Care & Maintenance: Expert Tips

Emeralds require special care compared to other gemstones. Their unique characteristics—natural inclusions and oil treatments—mean that standard jewelry cleaning methods can actually cause damage. Here's how to keep your emeralds beautiful for generations.

Understanding Emerald Fragility

While emeralds are relatively hard (7.5-8 on the Mohs scale), they're also brittle. Their characteristic inclusions create internal stress points that make them susceptible to chipping and fracturing from impact.

The Oil Treatment Factor

Most emeralds are treated with oil (typically cedar oil or synthetic alternatives) to fill surface-reaching fractures and improve clarity. This is a standard, accepted practice—but it means harsh cleaning can remove the oil, making inclusions more visible.

Safe Cleaning Methods

At Home

  1. Fill a bowl with room-temperature water
  2. Add a few drops of mild dish soap
  3. Soak the emerald for 1-2 minutes (no longer)
  4. Gently clean with a soft brush (baby toothbrush works well)
  5. Rinse with clean water
  6. Pat dry with a lint-free cloth

What to Avoid

  • Ultrasonic cleaners: Can damage inclusions and remove oil
  • Steam cleaners: Temperature shock can cause fractures
  • Hot water: Can remove oil treatment
  • Chemical cleaners: May react with treatment oils
  • Abrasive materials: Can scratch the surface

Storage Guidelines

Proper storage prevents damage and maintains treatment:

  • Store separately from harder gems (diamonds, sapphires)
  • Use soft pouches or lined compartments
  • Avoid extreme temperature changes
  • Keep away from direct sunlight when not wearing
  • Consider periodic re-oiling by a professional

When to Seek Professional Help

Take your emerald to a qualified jeweler if you notice:

  • Visible oil leaking from the stone
  • Inclusions becoming more prominent
  • Any chips or cracks
  • Loose setting
An ounce of prevention is worth a pound of cure. Gentle handling and proper storage will keep your emerald beautiful far longer than any cleaning routine.

Wearing Your Emerald

  1. Remove before household chores
  2. Put on jewelry last, take off first
  3. Avoid contact with hairspray, perfume, and lotions
  4. Never wear while swimming (chlorine is harmful)
  5. Have settings checked annually

With proper care, an emerald can last for centuries—many of history's most famous emeralds are hundreds of years old. Treat yours with respect, and it will reward you with enduring beauty.