Sapphire Gemstone Treatments On Gem Rock Auctions

Sapphires listed on GemRock Auctions are categorized in regards to the treatment methods used. This makes it easier for customers to filter and find the type of Sapphire they are looking for.

Any Sapphire listed in the No Reserve Gemstone Online Auctions section or in the Sapphire category has to have Treatments clearly specified so the buyer knows what treatments have been used.

The treatments applied to Sapphires can be filtered using the tick boxes down the left hand side of the screen on desktop:

Or using the top search options on mobile:

Sapphire Treatments

Below are a list of typical treatments used on Sapphires. If you would like some more in depth information on each of these treatments, please read our Sapphire Treatments page.

1. Certified Gemstones- If the Sapphire is lab tested it can be listed under this Category
2. No Treatment- Sapphire that is not treated in any way
3. Heat Treatment Only- For sapphires that have been heat treated only.
4. Beryllium Treated- Beryllium Treated (new Heat)
5. Filled Cavities Or Fissures- If the sapphire has filled cavities or fissures, this category should be selected
6. Surface Diffusion- Sapphires that have undergone surface diffusion treatment.

Sapphire is one of the most popular jewelry stones in the world, known for its rich colours, beauty, transparency, and durability. The word “sapphire” comes from the Greek word for blue, “sappheiros” because the sapphire provides the most beautiful blues in the gem kingdom.

The blue of the sapphire has become a colour which represents everything that is constant and dependable; this is the reason many women prefer sapphire for their engagement ring.

Sapphires can be found all around the world. Some of the most well known locations are India, Madagascar, Cambodia, Burma, Ceylon, Vietnam, Thailand, Australia, Brazil, and Africa. The oldest sapphires known today are found in Ceylon, or Sri Lanka. Ceylon sapphires are known for the luminosity of their light-to-mid-blue colours. Most blue sapphires are from Thailand or Australia. Not only is quality factored into the price of a sapphire, but the origin of the stone as well. The most valuable sapphires are the genuine Kashmir stone. Burmese sapphires are also particularly valuable due to their colour, which ranges from a rich, full royal blue to a deep cornflower blue. The value of sapphires also depends on their colour, size, and transparency.

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