How you store your pearl necklaces when not wearing them significantly impacts their longevity and appearance. Pearls are organic gems containing water and protein compounds that respond to their environment. Improper storage can lead to dehydration, scratching, discolouration, and premature ageing—all preventable with proper care.

This guide covers everything you need to know about storing your pearls safely, from daily storage habits to long-term preservation for heirloom pieces.

Understanding Pearl Vulnerability

To store pearls properly, you need to understand what threatens them:

Scratching

Pearls are relatively soft gems, rating just 2.5-4.5 on the Mohs hardness scale. Most other gemstones and metals can scratch pearls on contact. Even other pearls can scratch each other if allowed to rub together without cushioning.

Dehydration

Pearls contain 2-4% water by weight. In excessively dry conditions, this moisture evaporates, causing pearls to become dull, develop surface cracks, or even crumble in extreme cases. This is particularly important in Australia's often dry climate.

Chemical Damage

Pearls are calcium carbonate—essentially the same material as chalk or eggshells. They're attacked by acids and can be damaged by many household chemicals, cosmetic residues, and even acidic air pollutants.

Heat and Light

Prolonged exposure to direct sunlight or heat sources can cause pearls to yellow, dry out, or develop surface damage. UV radiation is particularly harmful.

Daily Storage: Best Practices

Separate Storage Is Essential

The golden rule of pearl storage: keep pearls separate from all other jewellery. This means:

  • Never store pearls loose in a jewellery box with other pieces
  • Don't let pearl strands touch each other without protection
  • Avoid contact with metal jewellery, diamond pieces, or hard gemstones

Use Soft Pouches

Store each pearl piece in its own soft pouch. Ideal materials include:

  • Silk: The traditional choice—soft, breathable, won't scratch
  • Chamois leather: Soft and protective
  • Soft cotton: Breathable and gentle
  • Velvet-lined boxes: Good for individual pieces
⚠️ Avoid These Materials

Never store pearls in:

  • Plastic bags (trap moisture, lack breathability)
  • Airtight containers (pearls need some air circulation)
  • Cotton wool (fibres can catch in drill holes)
  • Rough fabrics that might scratch surfaces

Store Flat, Not Hanging

Always store pearl necklaces flat, not hanging on hooks or displays. Hanging creates constant tension on the silk thread, stretching it and weakening it over time. Lay strands gently coiled (not kinked) in their pouches.

Breathability Matters

Pearls need some air circulation to maintain proper moisture levels. Avoid completely airtight storage. The soft pouches mentioned above allow adequate air exchange while protecting from dust and scratches.

Environmental Considerations

Temperature

Store pearls at stable room temperature, avoiding:

  • Direct sunlight or near windows
  • Near heating vents or radiators
  • In uninsulated attics or garages
  • Near air conditioning units that create dry air

Ideal storage temperature is 15-25°C with minimal fluctuation.

Humidity

Pearls thrive in moderate humidity (40-60% relative humidity). In Australia's varying climates:

  • Dry climates: Consider storing near a small water source or using a humidifier in the room
  • Humid climates: Ensure good air circulation to prevent mould
  • Air-conditioned homes: AC removes humidity—compensate with occasional wearing or a slightly damp (not wet) cloth stored nearby
💡 The Wearing Solution

One of the best ways to maintain pearl hydration is simply to wear them regularly. The natural oils from your skin keep pearls moisturised. Pearls stored away for years without wearing often become dull—the dreaded "museum piece" effect.

Light Exposure

Store pearls away from light, especially:

  • Direct sunlight (UV damage and heat)
  • Display lighting (can generate heat)
  • Fluorescent lights (contain UV)

A closed drawer or box in a temperature-stable room is ideal.

Long-Term and Heirloom Storage

For pearls you won't wear for extended periods (inherited pieces, seasonal jewellery, investment pieces):

Regular Inspection

Check stored pearls every 3-6 months:

  • Look for signs of drying or discolouration
  • Check thread condition
  • Gently wipe with a soft, slightly damp cloth if needed
  • Consider wearing briefly to restore natural oils

Professional Storage for Valuable Pieces

For very valuable pearl jewellery, consider:

  • Climate-controlled storage facilities
  • Bank safe deposit boxes (check humidity)
  • Home safes designed for jewellery (ensure adequate humidity)

Insurance Documentation

For valuable pieces, maintain:

  • Recent photographs
  • Professional appraisals (updated every 3-5 years)
  • Certificates of authenticity
  • Purchase receipts

Travel Storage

When travelling with pearls:

  • Use a dedicated travel case with soft interior
  • Keep pearls in carry-on luggage (temperature-controlled cabin)
  • Wrap each piece individually
  • Avoid storing with toiletries (leak risk)
  • Don't leave in hot cars or direct sunlight

Common Storage Mistakes to Avoid

The Tangled Mass

Multiple strands stored together without separation become tangled and scratch each other. Always separate and protect each piece.

The Bathroom Display

Bathrooms experience humidity extremes and chemical exposure from products. Never store pearls in bathrooms.

The Forgotten Vault

Locking pearls away for years without checking leads to deterioration. Pearls need periodic attention and ideally occasional wearing.

The Hanging Display

Beautiful jewellery trees and hanging displays are terrible for pearls. The constant tension damages thread, and exposure to light and air causes deterioration.

✨ Storage Checklist
  • Store each pearl piece in its own soft pouch (silk or chamois)
  • Keep separate from all other jewellery
  • Lay flat—never hang pearl necklaces
  • Maintain moderate temperature and humidity (40-60% RH)
  • Store away from direct light, heat sources, and chemicals
  • Allow breathability—avoid airtight containers
  • Inspect stored pearls every 3-6 months
  • Wear pearls periodically to maintain hydration
  • Use padded travel cases when transporting

When to Seek Professional Help

Consult a pearl specialist if you notice:

  • Pearls becoming noticeably dull despite proper care
  • Surface cracking or peeling
  • Significant colour changes
  • Thread deterioration

Some damage can be addressed professionally, while early intervention prevents further deterioration.

Proper storage protects your investment and ensures your pearls can be enjoyed for generations. The extra care is well worth the effort for these beautiful organic gems.

Questions about storing your pearl collection? Contact us for personalised advice.

SM

Sarah Mitchell

Founder & Pearl Specialist

Sarah has helped countless clients preserve their pearl jewellery through proper care and storage practices. Her expertise in pearl conservation ensures readers have the knowledge to protect their precious gems.