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 |
0.98ct Purple Sapphire, Pear Shape, VS
6.6 x 5.3 mm
$ 516.81
1.34ct Purple Sapphire, Cushion, VS
7.1 x 5.3 mm
$ 588.89
1.19ct Purple Sapphire, Pear Shape, VS-SI
7.8 x 5.8 mm
$ 475.42
1.59ct Purple Sapphire, Cushion, VS
7.8 x 5.3 mm
$ 838.49
1.06ct Purple Sapphire, Pear Shape, VS
8.2 x 5.6 mm
$ 559.00
1.42ct Violet Sapphire, Pear Shape, VS
8.8 x 6.3 mm
$ 748.84
10.69ct Gray Star Sapphire, Oval, Opaque
11.7 x 11.1 mm
$ 372.65
1.21ct Purple Sapphire, Pear Shape, VS
7.4 x 5.4 mm
$ 532.48
1.41ct Purple Sapphire, Cushion, VS
7.1 x 4.6 mm
$ 744.59
1.48ct Purple Sapphire, Pear Shape, VS
8.5 x 6.3 mm
$ 780.48
7.06ct Gray Star Sapphire, Oval, Opaque
7.6 x 8.6 mm
$ 270.72
0.16ct Gray Color-Change Sapphire, Square, VVS
2.9 x 3 mm
$ 13.28
1.10ct Purple Sapphire, Cushion, VS
7.3 x 5.1 mm
$ 580.09
1.42ct Purple Sapphire, Cushion, VS
6.9 x 5.5 mm
$ 748.84
1.20ct Purple Sapphire, Pear Shape, VS
7.6 x 5.6 mm
$ 632.83
1.46ct Violet Sapphire, Cushion, VS
7.3 x 5.4 mm
$ 699.95
1.10ct Purple Sapphire, Cushion, VS-SI
6 x 5.5 mm
$ 527.35
1.42ct Purple Sapphire, Cushion, VS
7.8 x 5.2 mm
$ 749.87
1.16ct Purple Sapphire, Cushion, VS
6.5 x 4.8 mm
$ 612.57
1.40ct Purple Sapphire, Cushion, VS
6.7 x 5.2 mm
$ 739.31
9.28ct Gray Star Sapphire, Round, Opaque
12 mm (calibrated)
$ 355.85
10.97ct Gray Star Sapphire, Round, Opaque
12 mm (calibrated)
$ 420.66
7.88ct Gray Star Sapphire, Oval, Opaque
10.6 x 10.2 mm
$ 302.17
1.47ct Orange Sapphire, Cushion, VS-SI
8.5 x 6.2 mm
$ 488.04
Why Buy Untreated Sapphire from GemSelect?
- Trusted Worldwide Since 2003
- 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
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 7 
easy interface for a pricless buy
Overall Rating -> 10 
selection was broad and the check out was quick. Great site
Overall Rating -> 10
On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc
Overall Rating -> 10
I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.
Overall Rating -> 10
Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!
Overall Rating -> 10
I was able to find what I wanted very easily!
