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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
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Untreated Sapphire Treatment

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Multicolor Untreated Sapphire
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Pink Untreated Sapphire
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Violet Untreated Sapphire
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7.03ct Royal Blue Sapphire, Round, VS

11.5 mm

$ 63,270.00

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0.24ct Medium Light Brown Color-Change Sapphire, Emerald Cut, VVS

3.8 x 2.8 mm

$ 24.00

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1.44ct Medium Purple Sapphire, Cushion, VS

6 x 6 mm (calibrated)

$ 832.90

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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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0.34ct Medium Light Brown Color-Change Sapphire, Emerald Cut, VVS

4 x 3.4 mm

$ 34.00

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1.33ct Medium Purple Sapphire, Pear Shape, VS-SI

7.2 x 5.7 mm

$ 769.27

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0.14ct Medium Light Brown Color-Change Sapphire, Pear Shape, VS-SI

3.3 x 2.5 mm

$ 14.00

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1.35ct Medium Purple Sapphire, Cushion, VS

7.5 x 5.6 mm

$ 857.75

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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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1.33ct Pinkish Grape Sapphire, Cushion, VS

6.5 x 5.9 mm

$ 846.20

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

10 x 10 mm (calibrated)

$ 305.39

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8.96ct Medium Grey Star Sapphire, Round, Opaque

10.5 mm

$ 376.32

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1.98ctw Multicolor Sapphire, Briolette, VS

5.2 x 3.7 mm

$ 66.00

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0.13ct Medium Light Brown Color-Change Sapphire, Baguette, VVS

3.2 x 2.2 mm

$ 13.00

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5.41ct Dark Grey Star Sapphire, Oval, Translucent

9.5 x 8.3 mm

$ 189.35

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1.32ct Medium Purple Sapphire, Pear Shape, VS-SI

8 x 6.3 mm

$ 838.69

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1.10ct Medium Purple Sapphire, Cushion, VS-SI

6 x 5.5 mm

$ 635.36

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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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1.42ct Pinkish Purple Sapphire, Cushion, VS

6.9 x 5.5 mm

$ 902.22

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10.97ct Light Grey Star Sapphire, Round, Opaque

12 mm (calibrated)

$ 506.82

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1.16ct Electric Purple Sapphire, Cushion, VS

6.5 x 4.8 mm

$ 738.04

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7.88ct Light Grey Star Sapphire, Oval, Opaque

10.6 x 10.2 mm

$ 364.06

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2.33ct Dark Violet Sapphire, Oval, VS

9.5 x 7.4 mm

$ 932.00

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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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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!

Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
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Overall Rating -> 10 star ratings

The stones are very nice.

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Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

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Overall Rating -> 9 star ratings

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Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
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Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
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