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Unheated Sapphire Gemstones - Natural Untreated Sapphires

Discover certified unheated sapphire gemstones with no heat treatment, prized for natural color, rarity, and long-term value.

Untreated Sapphire Weight
Untreated Sapphire Size
Untreated Sapphire Clarity
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Untreated Sapphire Treatment

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Multicolor Untreated Sapphire
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Pink Untreated Sapphire
Purple Untreated Sapphire
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1.34ct Intense Pinkish Purple Sapphire, Cushion, VS

6.5 x 5.3 mm

$ 774.00

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0.14ct Medium Light Brown Color-Change Sapphire, Fancy, VVS

4 x 3 mm

$ 14.00

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0.21ct Medium Light Brown Color-Change Sapphire, Fancy, VVS

4.9 x 3.6 mm

$ 21.00

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0.14ct Pecan Brown Color-Change Sapphire, Baguette, VVS

3.1 x 2.3 mm

$ 14.00

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6.61ct Medium-Dark Grey Star Sapphire, Oval, Opaque

10 x 10 mm (calibrated)

$ 305.39

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7.06ct Bluish Grey Star Sapphire, Oval, Opaque

7.6 x 8.6 mm

$ 326.17

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1.42ct Pinkish Purple Sapphire, Cushion, VS

6.9 x 5.5 mm

$ 902.22

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0.16ct Warm Reddish Grey Color-Change Sapphire, Square, VVS

2.9 x 3 mm

$ 16.00

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1.03ct Violet Purple Sapphire, Pear Shape, VS-SI

7.6 x 5.5 mm

$ 655.33

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9.28ct Grey Star Sapphire, Round, Opaque

12 mm (calibrated)

$ 428.74

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1.38ct Medium-Dark Purple Sapphire, Cushion, VS

7.1 x 5.3 mm

$ 878.02

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1.08ct Pinkish Purple Sapphire, Cushion, VS-SI

5.9 x 5.3 mm

$ 686.21

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1.22ct Intense Pinkish Purple Sapphire, Cushion, VS

6.7 x 5.3 mm

$ 775.14

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7.88ct Light Grey Star Sapphire, Oval, Opaque

10.6 x 10.2 mm

$ 364.06

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1.21ct Medium-Dark Purple Sapphire, Cushion, VS

6.6 x 5.3 mm

$ 768.79

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1.10ct Deep Pinkish Purple Sapphire, Cushion, VS

7.3 x 5.1 mm

$ 698.90

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1.22ct Medium-Dark Purple Sapphire, Cushion, VVS-VS

6.4 x 5.1 mm

$ 776.21

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0.17ct Medium Brown Color-Change Sapphire, Fancy, VVS

4 x 4 mm (calibrated)

$ 17.00

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12.12ct Purple Silver Star Sapphire, Oval, Opaque

12.3 x 11.4 mm

$ 559.94

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2.34ct Intense Purple Sapphire, Oval, VS-SI

9.5 x 7.8 mm

$ 936.00

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1.31ct Intense Purple Sapphire, Cushion, VS

6.8 x 5.7 mm

$ 833.47

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1.44ct Medium Purple Sapphire, Cushion, VS

6 x 6 mm (calibrated)

$ 832.90

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1.48ct Intense Pinkish Purple Sapphire, Pear Shape, VS

8.5 x 6.3 mm

$ 940.34

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3.86ctw Bluish White Sapphire, Briolette, SI

3.5 x 3.2 mm

$ 82.49

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Why Buy Untreated Sapphire from GemSelect?

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.

Unheated Sapphire Gemstones - Natural Untreated Sapphires

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!

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I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
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Very good

Posted By Niska in August, 2025
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Great selection of gems at a reasonable price

Posted By Curt in July, 2025
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nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
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