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 |
1.38ct Medium-Dark Purple Sapphire, Cushion, VS
7.1 x 5.3 mm
$ 878.02
0.14ct Medium Light Brown Color-Change Sapphire, Fancy, VVS
4 x 3 mm
$ 14.00
1.23ct Intense Pinkish Purple Sapphire, Pear Shape, VVS-VS
8.4 x 5.6 mm
$ 782.58
1.31ct Intense Purple Sapphire, Cushion, VS
6.8 x 5.7 mm
$ 833.47
13.46ct Medium Grey Star Sapphire, Oval, Opaque
14 x 12 mm (calibrated)
$ 621.85
1.26ct Intense Mauve Sapphire, Pear Shape, VS
7.1 x 5.7 mm
$ 800.57
1.42ct Pinkish Purple Sapphire, Cushion, VS
6.9 x 5.5 mm
$ 902.22
1.07ct Deep Pinkish Purple Sapphire, Cushion, VS
5.9 x 5.2 mm
$ 679.84
1.22ct Deep Pinkish Purple Sapphire, Cushion, VS-SI
6.2 x 5.1 mm
$ 775.14
7.88ct Light Grey Star Sapphire, Oval, Opaque
10.6 x 10.2 mm
$ 364.06
0.21ct Medium Light Brown Color-Change Sapphire, Fancy, VVS
6 x 3.3 mm
$ 21.00
14.39ct Bluish Grey Star Sapphire, Oval, Opaque
14 x 12 mm (calibrated)
$ 664.82
0.12ct Brownish Yellow Color-Change Sapphire, Pear Shape, VVS
3.6 x 2.3 mm
$ 12.00
3.86ctw Bluish White Sapphire, Briolette, SI
3.5 x 3.2 mm
$ 82.49
12.12ct Purple Silver Star Sapphire, Oval, Opaque
12.3 x 11.4 mm
$ 559.94
1.07ct Medium-Dark Purple Sapphire, Pear Shape, VS-SI
7.1 x 6 mm
$ 618.89
1.21ct Medium-Dark Purple Sapphire, Cushion, VS
6.6 x 5.3 mm
$ 768.79
1.34ct Intense Pinkish Purple Sapphire, Cushion, VS
6.5 x 5.3 mm
$ 774.00
6.61ct Medium-Dark Grey Star Sapphire, Oval, Opaque
10 x 10 mm (calibrated)
$ 305.39
1.10ct Medium Purple Sapphire, Cushion, VS-SI
6 x 5.5 mm
$ 635.36
1.08ct Pinkish Purple Sapphire, Cushion, VS-SI
5.9 x 5.3 mm
$ 686.21
0.12ct Medium Light Brown Color-Change Sapphire, Emerald Cut, VVS
2.6 x 2.6 mm
$ 12.00
1.88ct Purple-Red Sapphire, Oval, VS-SI
7.8 x 6.8 mm
$ 752.00
0.14ct Medium Pink Color-Change Sapphire, Emerald Cut, VS
3.1 x 2.4 mm
$ 14.00
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 
I have been very happy with my prior purchases and enjoy the website experience.
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
Overall Rating -> 10
Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.
Overall Rating -> 10
Excellent options
Overall Rating -> 10
Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.
Overall Rating -> 10
Easy to use. No issues. Large selection of gems.
