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 |
1.34ct Intense Pinkish Purple Sapphire, Cushion, VS
6.5 x 5.3 mm
$ 774.00
1.25ct Pinkish Grape Sapphire, Cushion, VVS-VS
7 x 5.3 mm
$ 723.00
1.47ct Merlot Red Sapphire, Cushion, VS-SI
8.5 x 6.2 mm
$ 588.00
1.15ct Royal Blue Sapphire, Pear Shape, VVS-VS
7.3 x 6.4 mm
$ 690.00
2.34ct Intense Purple Sapphire, Oval, VS-SI
9.5 x 7.8 mm
$ 936.00
2.33ct Dark Violet Sapphire, Oval, VS
9.5 x 7.4 mm
$ 932.00
1.22ct Intense Pinkish Purple Sapphire, Cushion, VS
6.7 x 5.3 mm
$ 775.14
1.46ct Medium Violet Sapphire, Cushion, VS
7.3 x 5.4 mm
$ 843.31
0.12ct Medium Light Brown Color-Change Sapphire, Pear Shape, VVS
3.6 x 2.5 mm
$ 12.00
5.52ct Very Light Grey Star Sapphire, Oval, Opaque
9.5 x 8.5 mm
$ 255.02
1.10ct Deep Pinkish Purple Sapphire, Cushion, VS
7.3 x 5.1 mm
$ 698.90
14.39ct Bluish Grey Star Sapphire, Oval, Opaque
14 x 12 mm (calibrated)
$ 664.82
8.96ct Medium Grey Star Sapphire, Round, Opaque
10.5 mm
$ 376.32
0.91ct Medium-Dark Purple Sapphire, Cushion, VS
6.3 x 4.2 mm
$ 578.98
1.31ct Intense Purple Sapphire, Cushion, VS
6.8 x 5.7 mm
$ 833.47
1.03ct Intense Purple Sapphire, Cushion, VS
7 x 5 mm (calibrated)
$ 654.43
1.03ct Violet Purple Sapphire, Pear Shape, VS-SI
7.6 x 5.5 mm
$ 655.33
0.26ct Medium Light Brown Color-Change Sapphire, Fancy, VVS
4.9 x 4 mm
$ 26.00
1.26ct Intense Mauve Sapphire, Pear Shape, VS
7.1 x 5.7 mm
$ 800.57
1.44ct Medium Purple Sapphire, Cushion, VS
6 x 6 mm (calibrated)
$ 832.90
Why Buy Untreated Sapphire from GemSelect?
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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 
It was all good
Overall Rating -> 10
I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.
Overall Rating -> 10
Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones
Overall Rating -> 10
All good
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Overall Rating -> 10
I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.
