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 |
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
1.21ct Purple Sapphire, Cushion, VS
6.6 x 5.3 mm
$ 638.10
1.07ct Purple Sapphire, Pear Shape, VS
7.5 x 5 mm
$ 565.04
5.41ct Gray Star Sapphire, Oval, Translucent
9.5 x 8.3 mm
$ 157.16
1.06ct Yellow Sapphire, Cushion, VS
6.6 x 5.9 mm
$ 219.95
1.14ct Purple Sapphire, Cushion, VS
7 x 5 mm (calibrated)
$ 547.29
6.61ct Gray Star Sapphire, Oval, Opaque
10 x 10 mm (calibrated)
$ 253.47
8.80ct Gray Star Sapphire, Round, Opaque
11 mm (calibrated)
$ 306.77
0.91ct Purple Sapphire, Cushion, VS
6.3 x 4.2 mm
$ 480.55
1.34ct Purple Sapphire, Cushion, VS
6.5 x 5.3 mm
$ 642.42
13.46ct Gray Star Sapphire, Oval, Opaque
14 x 12 mm (calibrated)
$ 516.14
5.52ct Gray Star Sapphire, Oval, Opaque
9.5 x 8.5 mm
$ 211.67
1.38ct Purple Sapphire, Cushion, VS
7.5 x 5.4 mm
$ 728.76
1.33ct Purple Sapphire, Cushion, VS
6.5 x 5.9 mm
$ 702.35
1.03ct Purple Sapphire, Cushion, VS
7 x 5 mm (calibrated)
$ 543.18
0.86ct Yellow Sapphire, Pear Shape, VS
7 x 5 mm (calibrated)
$ 178.45
1.22ct Purple Sapphire, Cushion, VS-SI
6.2 x 5.1 mm
$ 643.37
1.19ct Purple Sapphire, Cushion, VS
6.4 x 5.6 mm
$ 628.42
1.26ct Purple Sapphire, Pear Shape, VS
7.1 x 5.7 mm
$ 664.47
1.45ct Purple Sapphire, Cushion, VS
7.5 x 6 mm
$ 765.72
0.21ct Brown Color-Change Sapphire, Fancy, VVS
6 x 3.3 mm
$ 17.43
2.85ctw Multicolor Sapphire, Briolette, VVS
6.2 x 4.2 mm
$ 154.57
0.31ct Brown Color-Change Sapphire, Pear Shape, VVS
4.8 x 3.9 mm
$ 25.73
Why Buy Untreated Sapphire from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
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 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
This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.
Overall Rating -> 10
Excellent options
Overall Rating -> 9 
I loved the selection of gemstones you have a to z
Overall Rating -> 10
Very neat and to the point
Overall Rating -> 9
The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.
