Education Center

Learn about Ceylon gemstones from trusted industry knowledge. Whether you're purchasing your first gemstone or building a professional collection, understanding gemstone quality is essential. Our Education Center provides reliable information about natural gemstones, treatments, grading, certification, and proper care to help you make confident decisions.

Heated vs Unheated Gemstones

What does "Heated" mean?
Heat treatment is the most common enhancement used in the gemstone industry. Natural gemstones are heated under controlled temperatures to improve their color and clarity without changing the stone itself.

Heated Gemstones

  • Natural gemstone
  • Permanent enhancement
  • More affordable
  • Widely accepted in the international market

Unheated Gemstones

  • No artificial heat treatment
  • Extremely rare
  • Higher collector value
  • Premium market price
Important: Both heated and unheated gemstones can be genuine natural gemstones. The difference lies only in whether the stone has undergone heat treatment.

What is Royal Blue Sapphire?

Royal Blue is one of the world's most desirable sapphire colors. Natural Royal Blue Ceylon Sapphires are among the most valuable gemstones available.

A Royal Blue Sapphire displays:

  • Deep vivid blue color
  • Excellent color saturation
  • Strong brilliance
  • Rich velvety appearance
  • Minimal gray or green tones

What Does "Eye Clean" Mean?

An Eye Clean gemstone appears free from visible inclusions when viewed with the naked eye under normal lighting. This does not mean the gemstone is flawless. Most natural gemstones contain microscopic inclusions that are only visible under magnification. Eye Clean gemstones offer an excellent balance between beauty, rarity, and value.

How to Identify a Fake Sapphire

When purchasing a sapphire, always verify the following parameters to ensure authenticity.

Check for Certification

Buy gemstones accompanied by certificates from recognized gemological laboratories.

Observe the Color

Natural sapphires typically display subtle color zoning rather than a perfectly uniform color.

Examine Under Magnification

Natural inclusions often indicate authenticity, while synthetic stones may show different growth patterns or be unusually flawless.

Verify the Seller

Purchase only from reputable gemstone dealers who provide transparent information about origin, treatment, and certification.

Ceylon Sapphire vs Madagascar Sapphire

Ceylon Sapphire (Sri Lanka)

  • Famous for bright, lively color
  • Excellent transparency
  • High brilliance
  • Long history of gemstone mining
  • Highly sought after worldwide

Madagascar Sapphire

  • Wider range of colors
  • Often deeper tones
  • Excellent quality available
  • Increasingly popular in the global gemstone market

Both origins produce exceptional sapphires. Value depends on the gemstone's color, clarity, cut, weight, treatment, and overall quality—not solely its origin.

Gem Care Guide

Proper care helps preserve your gemstone's beauty for generations.

Cleaning

  • Use warm water and mild soap
  • Clean gently with a soft brush
  • Rinse thoroughly
  • Dry with a lint-free cloth

Storage

  • Store each gemstone separately
  • Use a soft jewelry pouch or lined box
  • Avoid contact with harder gemstones

Avoid

  • Harsh chemicals & acids
  • Household bleach
  • Extreme temperature changes
  • Heavy impacts
Professional Inspection: We recommend having valuable gemstone jewelry professionally inspected and cleaned periodically to ensure settings remain secure.

Frequently Asked Questions

Q: Are heated sapphires real?
Yes. Heated sapphires are natural gemstones that have undergone a common and widely accepted enhancement process.
Q: Are unheated sapphires more valuable?
Generally, yes. Fine-quality unheated sapphires are rarer and often command higher prices.
Q: Can natural sapphires contain inclusions?
Yes. Almost all natural gemstones contain internal inclusions formed during their natural growth.
Q: Should I always buy a certified gemstone?
For valuable gemstones, purchasing a certified stone is strongly recommended as it provides independent verification of important characteristics.