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 |
2.33ct Violet Sapphire, Oval, VS
9.5 x 7.4 mm
$ 932.00
5.41ct Gray Star Sapphire, Oval, Translucent
9.5 x 8.3 mm
$ 157.16
1.31ct Purple Sapphire, Cushion, VS
7.9 x 5.4 mm
$ 690.84
7.06ct Gray Star Sapphire, Oval, Opaque
7.6 x 8.6 mm
$ 270.72
1.42ct Purple Sapphire, Cushion, VS
6.9 x 5.5 mm
$ 748.84
1.03ct Purple Sapphire, Pear Shape, VS-SI
7.6 x 5.5 mm
$ 543.92
10.97ct Gray Star Sapphire, Round, Opaque
12 mm (calibrated)
$ 420.66
1.08ct Purple Sapphire, Cushion, VS-SI
5.9 x 5.3 mm
$ 569.55
0.34ct Brown Color-Change Sapphire, Emerald Cut, VVS
4 x 3.4 mm
$ 28.22
1.19ct Purple Sapphire, Cushion, VS
6.4 x 5.6 mm
$ 628.42
1.07ct Purple Sapphire, Pear Shape, VS-SI
7.1 x 6 mm
$ 513.68
1.42ct Purple Sapphire, Pear Shape, VS
7.6 x 6.1 mm
$ 748.84
1.32ct Purple Sapphire, Pear Shape, VS-SI
8 x 6.3 mm
$ 696.11
1.45ct Purple Sapphire, Cushion, VS
7.5 x 6 mm
$ 765.72
1.10ct Purple Sapphire, Cushion, VS-SI
6 x 5.5 mm
$ 527.35
1.88ct Orange Sapphire, Oval, VS-SI
7.8 x 6.8 mm
$ 624.16
1.25ct Purple Sapphire, Cushion, VVS-VS
7 x 5.3 mm
$ 600.09
1.14ct Purple Sapphire, Cushion, VS
7 x 5 mm (calibrated)
$ 547.29
1.38ct Purple Sapphire, Cushion, VS
7.5 x 5.4 mm
$ 728.76
1.07ct Purple Sapphire, Cushion, VS
5.9 x 5.2 mm
$ 564.27
14.39ct Gray Star Sapphire, Oval, Opaque
14 x 12 mm (calibrated)
$ 551.80
2.34ct Violet Sapphire, Oval, VS-SI
9.5 x 7.8 mm
$ 936.00
2.29ctw Multicolor Sapphire, Briolette, VVS
5.7 x 4 mm
$ 171.06
0.14ct Brown Color-Change Sapphire, Pear Shape, VS-SI
3.3 x 2.5 mm
$ 11.62
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
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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 -> 9 
Fast snd easy to find what I was looking for
Overall Rating -> 9
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
Overall Rating -> 9
Very easy to navigate with a great selection.
Overall Rating -> 10 
Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways
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 -> 8 
The website was easy to use and there were a lot of good options, I was satisfied.
