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 Untreated Sapphire
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Yellow Untreated Sapphire
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
1.34ct Medium Purple Sapphire, Pear Shape, VS
7.3 x 5.7 mm
$ 852.56
0.12ct Brownish Yellow Color-Change Sapphire, Pear Shape, VVS
3.6 x 2.3 mm
$ 12.00
0.19ct Medium Light Brown Color-Change Sapphire, Fancy, VVS
4.4 x 3.2 mm
$ 19.00
1.46ct Medium Violet Sapphire, Cushion, VS
7.3 x 5.4 mm
$ 843.31
1.10ct Bright Magenta Sapphire, Cushion, VS
6.7 x 4.7 mm
$ 698.90
0.12ct Medium Light Brown Color-Change Sapphire, Emerald Cut, VVS
2.6 x 2.6 mm
$ 12.00
1.38ct Medium-Dark Purple Sapphire, Cushion, VS
7.1 x 5.3 mm
$ 878.02
2.85ctw Multicolor Sapphire, Briolette, VVS
6.2 x 4.2 mm
$ 186.23
0.21ct Medium Light Brown Color-Change Sapphire, Fancy, VVS
6 x 3.3 mm
$ 21.00
1.40ct Pinkish Purple Sapphire, Cushion, VS
6.7 x 5.2 mm
$ 890.74
1.15ct Royal Blue Sapphire, Pear Shape, VVS-VS
7.3 x 6.4 mm
$ 690.00
1.31ct Pinkish Purple Sapphire, Cushion, VS
7.9 x 5.4 mm
$ 832.34
0.14ct Medium Light Brown Color-Change Sapphire, Fancy, VVS
4 x 3 mm
$ 14.00
1.42ct Pinkish Purple Sapphire, Pear Shape, VS
7.6 x 6.1 mm
$ 902.22
1.34ct Intense Pinkish Purple Sapphire, Cushion, VS
6.5 x 5.3 mm
$ 774.00
1.88ct Purple-Red Sapphire, Oval, VS-SI
7.8 x 6.8 mm
$ 752.00
1.10ct Deep Pinkish Purple Sapphire, Cushion, VS
7.3 x 5.1 mm
$ 698.90
1.14ct Medium-Dark Purple Sapphire, Cushion, VS
7 x 5 mm (calibrated)
$ 659.38
8.80ct Very Light Grey Star Sapphire, Round, Opaque
11 mm (calibrated)
$ 369.60
0.26ct Medium Light Brown Color-Change Sapphire, Fancy, VVS
4.9 x 4 mm
$ 26.00
1.07ct Reddish Purple Sapphire, Pear Shape, VS
7.5 x 5 mm
$ 680.77
0.14ct Pecan Brown Color-Change Sapphire, Baguette, VVS
3.1 x 2.3 mm
$ 14.00
7.06ct Bluish Grey Star Sapphire, Oval, Opaque
7.6 x 8.6 mm
$ 326.17
1.47ct Merlot Red Sapphire, Cushion, VS-SI
8.5 x 6.2 mm
$ 588.00
Why Buy Untreated Sapphire from GemSelect?
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- Supplying natural gemstones to jewelers and collectors in 120+ countries
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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
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Overall Rating -> 10 
I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!
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
Great experience. I can't wait to explore on the website further.
Overall Rating -> 10
Very large selection from affordable to high end I will be coming back to shop again!
Overall Rating -> 10
I was able to find what I wanted very easily!
Overall Rating -> 10
I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items
