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
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
1.07ct Purple Sapphire, Pear Shape, VS-SI
7.1 x 6 mm
$ 513.68
1.10ct Purple Sapphire, Cushion, VS
7.3 x 5.1 mm
$ 580.09
0.14ct Brown Color-Change Sapphire, Pear Shape, VS-SI
3.3 x 2.5 mm
$ 11.62
1.10ct Purple Sapphire, Cushion, VS-SI
6 x 5.5 mm
$ 527.35
8.96ct Gray Star Sapphire, Round, Opaque
10.5 mm
$ 312.35
1.33ct Purple Sapphire, Cushion, VS
6.5 x 5.9 mm
$ 702.35
10.97ct Gray Star Sapphire, Round, Opaque
12 mm (calibrated)
$ 420.66
5.41ct Gray Star Sapphire, Oval, Translucent
9.5 x 8.3 mm
$ 157.16
8.80ct Gray Star Sapphire, Round, Opaque
11 mm (calibrated)
$ 306.77
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
1.48ct Purple Sapphire, Pear Shape, VS
8.5 x 6.3 mm
$ 780.48
1.34ct Purple Sapphire, Cushion, VS
6.5 x 5.3 mm
$ 642.42
1.26ct Purple Sapphire, Cushion, VS
6.6 x 4.9 mm
$ 504.00
1.21ct Purple Sapphire, Cushion, VS
6.6 x 5.3 mm
$ 638.10
0.91ct Purple Sapphire, Cushion, VS
6.3 x 4.2 mm
$ 480.55
1.38ct Purple Sapphire, Cushion, VS
7.5 x 5.4 mm
$ 728.76
1.22ct Purple Sapphire, Cushion, VS
6.7 x 5.3 mm
$ 643.37
0.14ct Pink Color-Change Sapphire, Emerald Cut, VS
3.1 x 2.4 mm
$ 11.62
1.07ct Purple Sapphire, Cushion, VS
5.9 x 5.2 mm
$ 564.27
1.35ct Purple Sapphire, Cushion, VS
7.5 x 5.6 mm
$ 711.93
1.03ct Purple Sapphire, Pear Shape, VS-SI
7.6 x 5.5 mm
$ 543.92
12.12ct Gray Star Sapphire, Oval, Opaque
12.3 x 11.4 mm
$ 464.75
0.34ct Brown Color-Change Sapphire, Emerald Cut, VVS
4 x 3.4 mm
$ 28.22
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 -> 8 
Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.
Overall Rating -> 8
I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.
Overall Rating -> 10 
IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.
Overall Rating -> 10
The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.
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
Overall Rating -> 10
I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?
