How to Tell the Difference between White Sapphire and Diamond

White sapphires and diamonds are both transparent gemstones, but their characteristics set them apart. Knowing the distinctions will help you decide which gem is ideal for your ring design.

Selecting the white sapphire vs diamond ideal stone for an engagement ring is one of the most significant decisions you’ll ever make. Make sure your gemstone is durable and long-lasting so it can provide years of enjoyment.


White Sapphires vs diamonds are colourless gemstones that lack trace minerals found in blue sapphires or rubies. As such, they make excellent alternatives to diamond engagement rings due to their lower cost and long durability.

White sapphires may appear cloudy or milky if they have been exposed to airborne particles. Regular at-home cleaning will help combat this issue and restore the sparkle in your gemstone.

Additionally, some natural sapphires may be heat-treated or chemically treated to enhance clarity and/or colour. These treatments are relatively commonplace and stable, so they won’t significantly impact the stone’s price much.

Sapphires are beloved gemstones associated with faithfulness, honesty and truthfulness. Many couples even choose sapphires for their engagement rings!


When assessing the clarity of white sapphire and diamond, several factors must be taken into account. These include the size, nature, number, location and relief of inclusions within a diamond.

Flawless (FL) and internally flawless (IF) diamonds are the highest clarity grading category available. Under 10x magnification, these gems have no visible flaws – making them impossible to detect with the naked eye.

VS1 and VS2 clarity diamonds represent the next level in diamond clarity grading. These diamonds contain minute inclusions that cannot be seen with the naked eye.

Diamond clarity is assessed using a complex grading system that takes into account five categories: size, nature, number, location and relief. Generally speaking, larger inclusions have more of an effect on the grade than smaller ones do. Furthermore, shape, facet arrangement and cutting proportions can all affect clarity grade.

Carat weight

Diamonds stand out from other stones due to their carat weight, which makes them more valuable and difficult to cut.

Another distinction between diamond and white sapphire is their clarity. While both stones possess many facets, a diamond tends to be clearer than its counterpart, while white sapphire has more inclusions.

However, white sapphires can have flaws and inclusions which make them less desirable. Therefore, it’s essential to inspect the stone’s clarity carefully.

Sapphires rank a 9 on the Mohs scale of hardness, similar to diamonds at 10. Over time, sapphires (especially those worn daily) may accumulate dirt, soap residue and scratches due to daily exposure.


White sapphire is a popular gemstone option to consider as an alternative to diamonds. It offers similar visual appeal as diamonds at much lower costs.

White sapphires belong to the corundum mineral family, along with sapphire, ruby and emerald. They come in an array of hues due to impurities present during formation.

These gemstones are renowned for their hardness and durability (they score 9 on the Mohs Hardness Scale, second only to diamonds), as well as resistance to chipping. While they can be found around the world, Sri Lanka often provides larger stones.


In conclusion, white sapphire and diamond may look similar at first glance, but there are several differences between the two. While both gems possess many facets, diamonds tend to be clearer than their counterpart, while white sapphire has more inclusions that can make it appear cloudy or milky. Sapphires are also generally less expensive than diamonds, making them a popular alternative for engagement rings. It’s important to carefully inspect the clarity of both stones before making a final decision. By knowing the distinctions between the two, you can choose the gemstone that best suits your style, budget, and desired level of durability.

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