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Untreated SapphireExperience a fine selection of natural untreated sapphire gemstones for sale. We stock this rare gemstone in various shapes, colors and sizes. Unheated sapphires are mainly collector gemstones but are also used in jewelry by people who focus on 100% natural gemstones without any enhancement whatsoever. We offer gemstone certification from professional gemstone labs for all our online items. We can ship our unheated sapphires with standard or express shipping services worldwide. |
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| Bi-color | Black | Blue | Brown | Golden | Gray | Green | Multicolor | Orange | Pink | Purple | Red | Turquoise | Violet | White | Yellow |
Untreated Sapphire Single |
Untreated Sapphire Pairs |
Untreated Sapphire Lots |
Untreated Sapphire Faceted |
Untreated Sapphire Cabochons |
An untreated sapphire is one that has not undergone any enhancing process other than the skilled cutting and polishing into the gorgeous gemstones we know and love.
Sapphires are a form of the mineral, corundum, just like the ruby, the only difference is that rubies are red and sapphires are every other color.
It is estimated that at least 90% of all sapphires on sale today have received some sort of treatment to boost their appearance. The most common form of treatment is heat which can dramatically improve the color and clarity of a sapphire. Heat treatment has been a traditional process for at least a 1000 years and is totally accepted in the gemstone market.
There are other types of treatment used to improve the appearance of sapphires including beryllium diffusion, surface diffusion and fissure filling.
Untreated sapphires are exceptionally rare and highly sought after so they are generally more expensive than treated sapphires. Of course, they are still subject to the usual price factors such as color, size, clarity and so on.
An untreated vivid blue sapphire with a slight violet undertone and a velvety look would be a very valuable item indeed with a price tag sure to exceed $10,000 per carat. Untreated sapphires are also available in other colors and while not as expensive as top grade blue examples, do tend to be more expensive than heated stones.
Just like treated sapphires, untreated sapphires can be found in a variety of colors and the general rule is that if all other factors such as cut, clarity and size are equal then the untreated sapphire will demand a much higher price.
With untreated sapphires, any color other than blue or colorless is known as a 'fancy sapphire'. The exception to this rule is red, in which case it is a Ruby.
Without sophisticated laboratory equipment it is very difficult to determine whether or not a sapphire has been treated. If you are going to spend the amount of money needed to buy an untreated sapphire then we would highly recommend getting a full gemstone certification to ensure that no treatment has taken place.
Certain sizes, shapes and colors of untreated sapphires are to be found at very affordable prices which may not warrant the money spent on certification. In this case we would suggest making sure you buy the gemstone from a reputable seller.
The decision to choose an untreated sapphire over a treated one is a personal preference. If you are a purist with an appreciation of Mother Nature in its most unaffected state you may feel drawn towards an untreated stone.
Or if you are looking at a gemstone as an investment that will increase in value, then the exceedingly rare untreated option brings a potentially higher ROI opportunity.
Some feel that the spiritual influence of a gemstone is much greater with a totally natural untreated gemstone.
There is no doubt that untreated sapphires are one of the world's rarest treasures - add to this their incredible beauty and you have something very special.
Any sapphire which weighs more than a carat or two is very rare and very expensive. Finding an untreated sapphire of a significant size is even more difficult so expect to pay quite a premium and as they increase in size the price per carat jumps dramatically.
Untreated sapphires are rated at a very impressive 9 on Mohs hardness scale which is second only to diamonds. This means it can be used in all types of jewelry items including daily wear pieces.
If you are investing in such a rare and beautiful gemstone it would make sense to have it placed in an exquisite custom designed setting such as a ring or pendant.
The stunning 12 carat blue sapphire engagement ring worn by both Princess Diana and Catherine has made it a very popular choice for engaged couples.
Large untreated sapphires are particularly hard to come by but smaller gemstones are slightly more readily available so multi-stone designs are an option such as bracelets, necklaces and brooches or used as side stones and accent stones.
Sri Lanka, Myanmar and Thailand have been traditional sources of untreated sapphires for centuries and Tanzania, Mozambique and Madagascar in Africa have developed into a major supplier in more recent times. Montana in the USA and Inverell in Eastern Australia are also famous for their untreated sapphires but are difficult to find.
Untreated Sapphires are birthstones for September and the traditional gemstone gift for the 5th and 45th wedding anniversary, giving you two opportunities to buy one for the love of your life.
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Overall Rating -> 7 
I placed order#384714 based on the picture on your website and the stone came in much darker. I'm sure it's the same stone i ordered but your lighting made it seem a lighter blue. I was trying to match a stone for a customer and based on the picture it would have been close enough but the stone in person is a mile off.
Overall Rating -> 10 
The website was very easy to navigate. We appreciated the details about each gem, and the sort and search features of the website were helpful and easy to use.
Overall Rating -> 10
I loved the opportunity to shop on a website that I could trust 👍
Overall Rating -> 10
Very detailed and great pictures
Overall Rating -> 7
I feel pretty good so far, pending the delivery of the item ordered.
Overall Rating -> 10
Great selection of various gems, easy to navigate site
Overall Rating -> 10
Found the stone I wanted which was delivered quickly and met expectations.
Overall Rating -> 9 
So many gorgeous stones! The only "complaint" I have is it's difficult to visualize sizes in mm. Perhaps some way to compare in inches?It has been a long time since I bought stones from Gem select, but the process wasn't too difficult.
Overall Rating -> 10
Purchased for my granddaughter she was very pleased with it.
Overall Rating -> 10
The gem stone always has a great selection of beautiful stones. The calibrated stone fit my ring perfectly. Thank you gem select !
Overall Rating -> 10
Interested in unusual stones and found many that I purchased or will purchase in the near future. I have been a customer of gem select for almost ten years and have always been pleased with buying experience and the delivered product
Overall Rating -> 10
Everthing about researching and ordering from Gemselect was easy and uncomplicated. In the past I had payment problems, but your customer rep, Thomas, helped me get everything right. I will continue using Gemselet in the future for these reasons.
Overall Rating -> 9
Never bought anything on this website before, but it probably won't be my last purchase. Definitely one of the easiest to use and most informative sites I've ever been to.
Overall Rating -> 10
Perfect size I was looking for and great price
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