A gemstone’s clarity refers to the number of natural inclusions or flaws found in the stone. Inclusions or flaws occur naturally in gemstones, and have an impact on the stone’s value. The more inclusions present in a gemstone, the lower its clarity grading, and the lower its value. The clarity of a tanzanite is graded in a similar manner to that of diamonds, and ranges between Internally Flawless (IF), and Included.
When purchasing tanzanite jewellery, be sure to ask the jeweller for a certificate from the Tanzanite International grading standard, which will state the gemstone’s characteristics and clarity grading. Shimansky does not sell any tanzanite with a clarity grading lower than VVS (very, very slightly included). This means that no inclusions are visible to the naked eye, and that the inclusions that are present need to be magnetized up to six times in order to be seen through a scope.
When buying tanzanite in South Africa, and other parts of the world, you may come across various clarity grading scales. Shimansky uses the Tanzanite International grading standard scale for the Ayanda Queen of Tanzanite collection:
- IF – Internally Flawless (no inclusions are present when magnified up to 10x)
- VVS – Very Very Slight Inclusions (inclusions resembling tiny specs are visible when the stone is magnified 10x)
- VS – Very Slight Inclusions (inclusions slightly more pronounced than those graded Very Very Slightly Included are present)
- SI – Slightly Included (inclusions are visible through the crown of the gemstone)
- I – Included (inclusions are visible to the untrained eye)
The true value of a Shimansky jewellery creation is only realised when it is worn by the person it is meant for.