1.Color: The Heart of a Blue Sapphire

Color is the most important factor when buying a blue sapphire. The most desirable shade is the "cornflower blue", a vivid royal blue with a velvety texture. Heres what to look for:

• Hue: True blue with minimal secondary tones like violet or green.
  
  

• Tone: Medium to medium-dark is idealnot too light or too inky.
  
  

• Saturation: The color should be rich, vibrant, and evenly distributed.
  
  

Avoid stones that are too dark (they may look black in low light) or too pale (they might resemble cheap substitutes).

2. Clarity: Whats Inside Counts

Unlike diamonds, sapphires dont have to be flawless. Some inclusions are expected and can even prove that the stone is natural. However:

• Eye-clean sapphires (no visible inclusions to the naked eye) are more valuable.
  
  

• Avoid stones with cloudy patches, surface cracks, or deep black inclusions.
  
  

• Ask for a loupe or magnified view to inspect the stone properly.

3. Cut: Let the Sparkle Speak

Cut determines how light reflects off the stone, impacting brilliance and appeal. Unlike diamonds, sapphires are not graded by cut, but you should still look for:

• Symmetry: The stone should be evenly shaped.
  
  

• Proportions: A well-proportioned stone reflects light evenly and looks lively.
  
  

• Windowing: Hold the stone over text. If you can read through it, it has a "window" and may lack brilliance.
  
  

Popular cuts include oval, cushion, and roundbut go with what appeals to your taste.

4. Carat Weight: Size vs. Quality

Carat weight affects price significantly. But remember:

• A smaller, high-quality sapphire often outshines a larger, dull one.
  
  

• As carat weight increases, color and clarity should also be top-tier.
  
  

• Prices increase exponentially for sapphires over 3 carats with fine color.
  
  

5. Origin: Where It Comes From Matters

Blue sapphires are mined in several regions, and origin can affect value:

• Kashmir sapphires are the rarest and most expensive.
  
  

• Burma (Myanmar) and Sri Lanka (Ceylon) sapphires are also prized for quality.
  
  

• Madagascar and Thailand produce commercial-grade stones.

6. Treatment Disclosure: Is It Heated?

Most sapphires on the market are heat-treated to enhance color and claritya common and accepted practice. However:

• Unheated sapphires are rarer and significantly more valuable.
  
  

• Avoid stones with treatments like diffusion or glass fillingthese are low-value and should be priced accordingly.
  
  

• Always ask for a lab report disclosing any treatments.
  
  

7. Certification: No Paper, No Purchase

Never buy a blue sapphire stone without acertified lab report. Reputable labs include:

• GIA (Gemological Institute of America)
  
  

• IGI (International Gemological Institute)
  
  

• GRS (GemResearch Swisslab)

How to Wear a Blue sapphire stone

• Metal: Wear a blue stone ring in panchdhatu metal. Avoid wearing the stone in silver and gold.

• Gemstone Mantra: Chant Om Sham Shanaishcharaya Namah 108 times.

• Carat Weight: Wear original Neelam of 5.25 carat for astrological use.

• Best day and Time: Saturday evening

• Wear the blue sapphire ring in the middle finger of the right hand for males and left hand for females.