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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
Untreated Sapphire Price
Untreated Sapphire Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue Untreated Sapphire
Brown Untreated Sapphire
Golden
Gray Untreated Sapphire
Green
Multicolor Untreated Sapphire
Orange
Pink Untreated Sapphire
Purple Untreated Sapphire
Red Untreated Sapphire
Turquoise
Violet Untreated Sapphire
White Untreated Sapphire
Yellow Untreated Sapphire
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3.86ctw White Sapphire, Briolette, SI

3.5 x 3.2 mm

$ 68.47

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8.96ct Gray Star Sapphire, Round, Opaque

10.5 mm

$ 312.35

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1.10ct Purple Sapphire, Cushion, VS

7.3 x 5.1 mm

$ 580.09

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1.44ct Purple Sapphire, Cushion, VS

6 x 6 mm (calibrated)

$ 691.31

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1.88ct Orange Sapphire, Oval, VS-SI

7.8 x 6.8 mm

$ 624.16

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1.03ct Purple Sapphire, Pear Shape, VS-SI

7.6 x 5.5 mm

$ 543.92

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1.22ct Purple Sapphire, Cushion, VS

6.7 x 5.3 mm

$ 643.37

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9.28ct Gray Star Sapphire, Round, Opaque

12 mm (calibrated)

$ 355.85

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1.08ct Purple Sapphire, Cushion, VS-SI

5.9 x 5.3 mm

$ 569.55

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1.42ct Purple Sapphire, Cushion, VS

7.8 x 5.2 mm

$ 749.87

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13.46ct Gray Star Sapphire, Oval, Opaque

14 x 12 mm (calibrated)

$ 516.14

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1.06ct Yellow Sapphire, Cushion, VS

6.6 x 5.9 mm

$ 219.95

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1.34ct Purple Sapphire, Cushion, VS

6.5 x 5.3 mm

$ 642.42

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1.33ct Purple Sapphire, Cushion, VS

6.5 x 5.9 mm

$ 702.35

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1.10ct Purple Sapphire, Cushion, VS-SI

6 x 5.5 mm

$ 527.35

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1.48ct Purple Sapphire, Pear Shape, VS

8.5 x 6.3 mm

$ 780.48

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1.07ct Purple Sapphire, Pear Shape, VS

7.5 x 5 mm

$ 565.04

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1.34ct Purple Sapphire, Pear Shape, VS

7.3 x 5.7 mm

$ 707.62

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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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1.47ct Orange Sapphire, Cushion, VS-SI

8.5 x 6.2 mm

$ 488.04

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1.40ct Purple Sapphire, Cushion, VS

6.7 x 5.2 mm

$ 739.31

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1.23ct Purple Sapphire, Pear Shape, VVS-VS

8.4 x 5.6 mm

$ 649.54

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0.21ct Brown Color-Change Sapphire, Fancy, VVS

6 x 3.3 mm

$ 17.43

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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

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

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
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate
Enlarged Gemstone Image