IMPORTANT NOTE:
This stone contains fissures that have been filled with foreign material (such as glass and/or cobalt). Due to this treatment, the item must be classified and sold as a composite sapphire, not a standard natural sapphire.

Composite Blue Sapphire – Sri Lanka (Ceylon)

Weight: 1.33 cts
Size: 7.0 x 5.2 x 3.9 mm
Clarity: VVS (base material; clarity affected by filling)
Treatment: Heat treated + fissure filled (composite)
Origin: Sri Lanka
Lustre: Good

Description

A blue sapphire from Sri Lanka displaying attractive colour and good lustre. This stone has undergone heat treatment and fissure filling, where cavities have been filled with materials such as glass or cobalt to enhance appearance.

Because of this, it is classified as a composite stone, which significantly affects both value and care requirements compared to untreated sapphire.

Important Information

• This is a treated composite sapphire

• Filling materials may include glass and/or cobalt

• Requires extra care: avoid heat, chemicals, ultrasonic cleaners, and re-cutting

• Value is lower than untreated or standard heat-treated sapphires

About Sapphire

Sapphire is a variety of corundum, known for its durability and range of colours. Blue is the most recognised, with colour typically influenced by trace elements such as iron and titanium.

Clarity Note (Type 2 Gemstone)

Sapphire is a Type 2 gemstone, meaning inclusions are common.

VVS: Minute inclusions under 10x magnification, typically not visible to the naked eye.
Note: In composite stones, clarity grading applies to the host material, but overall appearance is influenced by the filling.

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