Diamond clarity refers to the grading of the natural inclusions formed within a diamond as it develops deep beneath the earth’s surface. Almost all diamonds contain tiny traces of non-crystallised carbon known as inclusions. Clarity grading measures how free a diamond is from these internal characteristics.
Ideally, inclusions should not impact the brilliance, brightness or overall light performance of the diamond. A well-selected stone will maintain its lustre and beauty without visible imperfections affecting its appearance.
Traditionally, diamonds graded down to SI2 are defined as having inclusions that are not visible to the naked eye and do not affect the visual beauty of the stone. However, due to what we believe has been a subtle shift in grading standards over time, many diamonds graded as high as VS2 may still show visible inclusions when viewed without magnification.
At MDT DESIGN, every diamond we purchase or consider offering to our clients is personally inspected. If we determine that inclusions are visible to the naked eye, we will not stock or sell that diamond, regardless of its certificate grading.
This is why physically viewing a diamond is so important. There can be a significant difference between a high-quality SI2 diamond and a poorly graded SI2 stone. The same applies across all clarity grades. With these differences comes variation in value and price.
MDT DESIGN selects only the highest-quality examples within each clarity range. In our showroom, we demonstrate these differences clearly so our clients understand what true quality looks like. We would always recommend a premium, eye-clean SI2 diamond over a lower-grade SI1 that does not present as its certificate suggests. Certification is important, but it should never be the sole deciding factor. Grading can occasionally be lenient, and a diamond should always be assessed in person.
Our Clarity Selection
MDT DESIGN primarily carries VS (Very Slight Inclusions) and SI (Slight Inclusions) clarity diamonds. These grades often provide an excellent balance of beauty and value when carefully selected. However, as with diamond colour, we are happy to source higher clarity grades to suit your personal preference and specifications.
GIA Clarity Grading
We strongly recommend GIA certified diamonds for clarity grading consistency. The GIA grading system is recognised internationally for its strict and reliable standards.
Clarity Enhanced Diamonds
In recent years, clarity enhanced diamonds have become more common within the Australian market. These diamonds are typically lower-quality stones that have been laser drilled to remove dark inclusions or fracture filled to disguise imperfections.
MDT DESIGN does not sell clarity enhanced diamonds and we do not recommend purchasing them. These treatments can compromise the integrity and long-term value of the stone.
We are always happy to explain the importance of The Four C’s: Diamond Clarity, Diamond Colour, Diamond Cut and Diamond Carat Weight. Together, these characteristics determine the beauty, rarity and value of a diamond.
Contact us for further information or personalised guidance when selecting your diamond.
