Unheated Sapphire Gemstones - Natural Untreated Sapphires
Discover certified unheated sapphire gemstones with no heat treatment, prized for natural color, rarity, and long-term value.
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Bi-color
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Black
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Blue Untreated Sapphire
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Brown Untreated Sapphire
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Golden
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Gray Untreated Sapphire
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Green
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Multicolor Untreated Sapphire
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Orange
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Pink Untreated Sapphire
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Purple Untreated Sapphire
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Red Untreated Sapphire
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Turquoise
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Violet Untreated Sapphire
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White
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Yellow Untreated Sapphire
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
1.35ct Purple Sapphire, Cushion, VS
7.5 x 5.6 mm
$ 711.93
1.31ct Purple Sapphire, Cushion, VS
6.8 x 5.7 mm
$ 691.78
2.29ctw Multicolor Sapphire, Briolette, VVS
5.7 x 4 mm
$ 171.06
1.22ct Purple Sapphire, Cushion, VS-SI
6.2 x 5.1 mm
$ 643.37
12.12ct Gray Star Sapphire, Oval, Opaque
12.3 x 11.4 mm
$ 464.75
1.38ct Purple Sapphire, Cushion, VS
7.5 x 5.4 mm
$ 728.76
1.20ct Purple Sapphire, Pear Shape, VS
7.6 x 5.6 mm
$ 632.83
7.03ct Blue Sapphire, Round, VS
11.5 mm
$ 52,514.10
1.22ct Purple Sapphire, Cushion, VS
6.7 x 5.3 mm
$ 643.37
1.31ct Purple Sapphire, Cushion, VS
7.9 x 5.4 mm
$ 690.84
1.32ct Purple Sapphire, Pear Shape, VS-SI
8 x 6.3 mm
$ 696.11
1.40ct Purple Sapphire, Cushion, VS
6.7 x 5.2 mm
$ 739.31
13.46ct Gray Star Sapphire, Oval, Opaque
14 x 12 mm (calibrated)
$ 516.14
9.28ct Gray Star Sapphire, Round, Opaque
12 mm (calibrated)
$ 355.85
1.03ct Purple Sapphire, Pear Shape, VS-SI
7.6 x 5.5 mm
$ 543.92
0.34ct Brown Color-Change Sapphire, Emerald Cut, VVS
4 x 3.4 mm
$ 28.22
1.07ct Purple Sapphire, Pear Shape, VS
7.5 x 5 mm
$ 565.04
1.07ct Purple Sapphire, Pear Shape, VS-SI
7.1 x 6 mm
$ 513.68
1.42ct Purple Sapphire, Cushion, VS
7.8 x 5.2 mm
$ 749.87
0.31ct Brown Color-Change Sapphire, Pear Shape, VVS
4.8 x 3.9 mm
$ 25.73
6.61ct Gray Star Sapphire, Oval, Opaque
10 x 10 mm (calibrated)
$ 253.47
1.03ct Purple Sapphire, Cushion, VS
7 x 5 mm (calibrated)
$ 543.18
5.35ct Gray Star Sapphire, Oval, Opaque
9.5 x 9.1 mm
$ 186.50
1.45ct Purple Sapphire, Cushion, VS
7.5 x 6 mm
$ 765.72
Why Buy Untreated Sapphire from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
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- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
Unheated Sapphire Gemstones
Our unheated sapphire gemstones are completely natural and have received no heat treatment, preserving their original color, clarity, and rarity.
Natural Untreated Sapphire Stones
Each untreated sapphire is carefully selected and independently certified, making these gemstones highly sought after by collectors and fine jewelers.
No Heat Sapphire for Fine Jewelry
No heat sapphires are ideal for high-end rings, engagement jewelry, earrings, and pendants where natural origin and long-term value matter most.
Blue and Fancy Color Unheated Sapphire
Choose from classic blue unheated sapphire gemstones or rare fancy colors including pink, yellow, green, and parti-color stones.
Certified Unheated Sapphire Stones
All unheated sapphires are clearly disclosed and may include gemological reports confirming the absence of heat treatment.
Loose Unheated Sapphire for Custom Designs
Buying loose unheated sapphire allows complete flexibility in setting style, size, and design for custom jewelry creations.
Investment-Grade Untreated Sapphire
Because untreated sapphires are increasingly rare, they are often considered strong long-term investments compared to heated stones.
Learn more about sapphire properties, treatments, and value on our Sapphire Information Page.
FAQs
What is an unheated sapphire?
An unheated sapphire is a natural sapphire that has not undergone heat treatment, meaning its color and clarity are entirely natural.
Is unheated sapphire the same as untreated sapphire?
In most cases, yes. Unheated sapphires are untreated by heat, though other treatments must always be disclosed if present.
Are unheated sapphires more valuable?
Yes, unheated sapphires are rarer than heated stones and often command higher prices, especially with strong natural color.
Do unheated sapphires come with certification?
Many unheated sapphires are accompanied by gemological reports confirming no heat treatment for buyer confidence.
Are unheated sapphires suitable for everyday wear?
Absolutely. Sapphire has a Mohs hardness of 9, making unheated sapphires durable and ideal for daily jewelry use.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well
Overall Rating -> 10
Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.
Overall Rating -> 8 
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
Overall Rating -> 9 
Very easy to navigate with a great selection.
Overall Rating -> 9
It was fine . Wish there had been more round stones to select from
Overall Rating -> 10
I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.
