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 |
0.14Ct Pecan Brown Color-Change Sapphire, Baguette, Vvs
3.1 x 2.3 mm
$ 14.00
0.26Ct Medium Light Brown Color-Change Sapphire, Fancy, Vvs
4.9 x 4 mm
$ 26.00
5.41Ct Dark Grey Star Sapphire, Oval, Translucent
9.5 x 8.3 mm
$ 189.35
12.12Ct Purple Silver Star Sapphire, Oval, Opaque
12.3 x 11.4 mm
$ 559.94
5.52Ct Very Light Grey Star Sapphire, Oval, Opaque
9.5 x 8.5 mm
$ 255.02
1.06Ct Tuscany Yellow Sapphire, Cushion, Vs
6.6 x 5.9 mm
$ 265.00
1.14Ct Medium-Dark Purple Sapphire, Cushion, Vs
7 x 5 mm (calibrated)
$ 659.38
2.33Ct Dark Violet Sapphire, Oval, Vs
9.5 x 7.4 mm
$ 932.00
1.10Ct Bright Magenta Sapphire, Cushion, Vs
6.7 x 4.7 mm
$ 698.90
2.34Ct Intense Purple Sapphire, Oval, Vs-Si
9.5 x 7.8 mm
$ 936.00
1.38Ct Medium-Dark Purple Sapphire, Cushion, Vs
7.1 x 5.3 mm
$ 878.02
1.21Ct Medium-Dark Purple Sapphire, Cushion, Vs
6.6 x 5.3 mm
$ 768.79
6.61Ct Medium-Dark Grey Star Sapphire, Oval, Opaque
10 x 10 mm (calibrated)
$ 305.39
1.34Ct Medium Purple Sapphire, Pear Shape, Vs
7.3 x 5.7 mm
$ 852.56
1.46Ct Light Golden-Yellow Sapphire, Oval, Vs
8.6 x 6.1 mm
$ 365.00
1.47Ct Merlot Red Sapphire, Cushion, Vs-Si
8.5 x 6.2 mm
$ 588.00
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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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 
My experience was done with ease
Overall Rating -> 8 
Good prices
Overall Rating -> 10
Very food
Overall Rating -> 10
hassle free experience.
Overall Rating -> 10
This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.
Overall Rating -> 10
Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.
