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Home Gemstones Untreated Sapphire

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
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Untreated Sapphire Treatment

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Gray Untreated Sapphire
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Multicolor Untreated Sapphire
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Pink Untreated Sapphire
Purple Untreated Sapphire
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Violet Untreated Sapphire
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1.10ct Purple Sapphire, Cushion, VS

6.7 x 4.7 mm

$ 580.09

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7.03ct Blue Sapphire, Round, VS

11.5 mm

$ 52,514.10

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5.35ct Gray Star Sapphire, Oval, Opaque

9.5 x 9.1 mm

$ 186.50

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1.03ct Purple Sapphire, Pear Shape, VS-SI

7.6 x 5.5 mm

$ 543.92

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1.10ct Purple Sapphire, Pear Shape, VS

7.4 x 5.3 mm

$ 580.88

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12.12ct Gray Star Sapphire, Oval, Opaque

12.3 x 11.4 mm

$ 464.75

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1.07ct Purple Sapphire, Pear Shape, VS-SI

7.1 x 6 mm

$ 513.68

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1.08ct Purple Sapphire, Cushion, VS-SI

5.9 x 5.3 mm

$ 569.55

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1.44ct Purple Sapphire, Cushion, VS

6 x 6 mm (calibrated)

$ 691.31

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1.31ct Purple Sapphire, Cushion, VS

6.8 x 5.7 mm

$ 691.78

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

3.3 x 2.5 mm

$ 11.62

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1.38ct Purple Sapphire, Cushion, VS

7.1 x 5.3 mm

$ 728.76

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1.35ct Purple Sapphire, Cushion, VS

7.5 x 5.6 mm

$ 711.93

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1.28ct Purple Sapphire, Cushion, VS

6.9 x 5.7 mm

$ 675.94

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1.47ct Purple Sapphire, Cushion, VS

7.1 x 5.6 mm

$ 776.27

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

3.8 x 2.8 mm

$ 19.92

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8.96ct Gray Star Sapphire, Round, Opaque

10.5 mm

$ 312.35

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2.29ctw Multicolor Sapphire, Briolette, VVS

5.7 x 4 mm

$ 171.06

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1.34ct Purple Sapphire, Pear Shape, VS

7.3 x 5.7 mm

$ 707.62

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2.34ct Violet Sapphire, Oval, VS-SI

9.5 x 7.8 mm

$ 936.00

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1.22ct Purple Sapphire, Cushion, VVS-VS

6.4 x 5.1 mm

$ 644.25

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1.33ct Purple Sapphire, Pear Shape, VS-SI

7.2 x 5.7 mm

$ 638.49

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14.39ct Gray Star Sapphire, Oval, Opaque

14 x 12 mm (calibrated)

$ 551.80

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

4 x 3.4 mm

$ 28.22

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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

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate
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