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Heat Only Sapphire Gemstones

Browse natural heat only sapphire gemstones, enhanced solely by traditional heat treatment for improved color and clarity.

Sapphire Heat-Only Weight
Sapphire Heat-Only Size
Sapphire Heat-Only Clarity
Sapphire Heat-Only Price
Sapphire Heat-Only Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Sapphire Heat-Only
Blue Sapphire Heat-Only
Brown
Gray Sapphire Heat-Only
Green Sapphire Heat-Only
Multicolor Sapphire Heat-Only
Orange Sapphire Heat-Only
Pink Sapphire Heat-Only
Purple Sapphire Heat-Only
Red Sapphire Heat-Only
Turquoise Sapphire Heat-Only
Violet Sapphire Heat-Only
White Sapphire Heat-Only
Yellow Sapphire Heat-Only
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0.82ctw Pink Sapphire, Oval, Transparent

0.82ctw Pink Sapphire, Oval, Transparent

4.9 x 3.8 mm

$ 59.39

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0.79ct Green Sapphire, Cushion, VVS

0.79ct Green Sapphire, Cushion, VVS

5 x 5 mm (calibrated)

$ 113.76

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0.37ct Yellow Sapphire, Round, VS

0.37ct Yellow Sapphire, Round, VS

4.5 mm (calibrated)

$ 25.75

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1.37ctw White Sapphire, Round, VVS-VS

1.37ctw White Sapphire, Round, VVS-VS

4.2 mm

$ 218.03

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0.70ct Orange Sapphire, Oval, VS

0.70ct Orange Sapphire, Oval, VS

6.2 x 4.6 mm

$ 50.82

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0.65ct Purple Sapphire, Emerald Cut, VVS-VS

0.65ct Purple Sapphire, Emerald Cut, VVS-VS

6 x 4 mm (calibrated)

$ 101.48

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0.53ct Yellow Sapphire, Oval, VS

0.53ct Yellow Sapphire, Oval, VS

5.4 x 4.3 mm

$ 38.48

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0.66ct Violet Sapphire, Oval, VS

0.66ct Violet Sapphire, Oval, VS

6.2 x 5.1 mm

$ 104.54

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0.36ct Pink Sapphire, Pear Shape, VVS-VS
Sapphire Product Video (516942)

0.36ct Pink Sapphire, Pear Shape, VVS-VS

5 x 4 mm (calibrated)

$ 2,794.00

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0.72ct Purple Sapphire, Fancy, VS

0.72ct Purple Sapphire, Fancy, VS

8.1 x 5.1 mm

$ 95.04

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0.31ct Pink Sapphire, Oval, VS

0.31ct Pink Sapphire, Oval, VS

6 x 4 mm (calibrated)

$ 37.20

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0.39ct Purple Sapphire, Oval, VVS

0.39ct Purple Sapphire, Oval, VVS

6 x 4 mm (calibrated)

$ 44.32

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0.72ct Purple Sapphire, Oval, VS-SI

0.72ct Purple Sapphire, Oval, VS-SI

6 x 4.9 mm

$ 184.69

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0.60ct Blue Sapphire, Cushion, VS-SI

0.60ct Blue Sapphire, Cushion, VS-SI

4.2 x 4.2 mm

$ 57.60

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0.49ct Purple Sapphire, Pear Shape, VS

0.49ct Purple Sapphire, Pear Shape, VS

6.1 x 4.5 mm

$ 64.68

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0.81ctw White Sapphire, Round, VVS-VS

0.81ctw White Sapphire, Round, VVS-VS

4.5 mm (calibrated)

$ 128.72

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0.80ct Orange Sapphire, Oval, VVS-VS

0.80ct Orange Sapphire, Oval, VVS-VS

6.1 x 5 mm

$ 92.18

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0.44ct White Sapphire, Round, VS

0.44ct White Sapphire, Round, VS

4.5 mm (calibrated)

$ 69.92

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0.38ct Pink Sapphire, Fancy, VS

0.38ct Pink Sapphire, Fancy, VS

6.7 x 4.2 mm

$ 41.88

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0.72ct Blue Sapphire, Cushion, VVS-VS

0.72ct Blue Sapphire, Cushion, VVS-VS

5 x 5 mm (calibrated)

$ 103.68

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0.72ct Orange Sapphire, Oval, VVS-VS

0.72ct Orange Sapphire, Oval, VVS-VS

5.8 x 4.4 mm

$ 52.27

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0.57ct Blue Sapphire, Cushion, VS

0.57ct Blue Sapphire, Cushion, VS

4.3 x 4.3 mm

$ 82.08

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0.68ctw Pink Sapphire, Oval, VVS-VS

0.68ctw Pink Sapphire, Oval, VVS-VS

5.8 x 4 mm

$ 91.60

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0.47ct Multicolor Sapphire, Cushion, VVS

0.47ct Multicolor Sapphire, Cushion, VVS

4.7 x 3.5 mm

$ 45.12

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Why Buy Sapphire Heat-Only from GemSelect?

Heat Only Sapphire Stones

Our heat only sapphire stones are natural gemstones enhanced using traditional heat treatment only, without diffusion or chemical additives, preserving their authenticity and value.

What Does Heat Only Mean?

Heat only sapphires are gemstones that have undergone controlled heating to improve color and clarity. This is the most widely accepted treatment in the gem trade and does not involve foreign elements.

Loose Heat Only Sapphire Gemstones for Jewelry

Natural Sapphire Colors

Heat only sapphires are available in a wide range of colors, including blue, pink, yellow, green, and parti-color varieties, offering versatility for all types of jewelry designs.

Heat Only vs Untreated Sapphire

While untreated sapphires are completely natural, heat only sapphires offer improved appearance at a more accessible price point, making them a popular choice for both collectors and jewelry makers.

Loose Sapphires for Custom Jewelry

Choose from a variety of shapes such as oval, round, cushion, and pear. Heat only sapphire gemstones are ideal for rings, earrings, and pendants thanks to their durability and brilliance.

No Diffusion or Filling

All our heat only sapphires are free from diffusion treatment, glass filling, or dyeing. Full disclosure ensures confidence and transparency with every purchase.

Certified Sapphire Gemstones

Many of our heat only sapphire gemstones come with gemological certification verifying treatment status, origin, and quality characteristics.

Wholesale Heat Only Sapphires

We offer competitive pricing for bulk purchases, making our heat only sapphires suitable for jewelers, designers, and gemstone dealers worldwide.

Learn more about sapphire treatments and properties on our Sapphire Information Page.

FAQs

What is a heat only sapphire?

A heat only sapphire is a natural gemstone that has been treated with heat alone to enhance its color and clarity, without any additional chemicals or diffusion processes.

Are heat only sapphires natural?

Yes, heat only sapphires are natural gemstones. Heat treatment is a standard and accepted process in the gemstone industry.

Is heat treatment permanent?

Yes, heat treatment is stable and permanent under normal wear, making it suitable for everyday jewelry.

What is the difference between heat only and diffusion sapphire?

Heat only sapphires are treated using heat alone, while diffusion sapphires involve the introduction of external elements to alter color, which is considered a more invasive treatment.

Are heat only sapphires valuable?

Yes, they are more valuable than heavily treated stones and offer a good balance between natural authenticity and improved appearance.

Can I use heat only sapphires for engagement rings?

Yes, sapphires are durable (Mohs 9) and suitable for engagement rings, especially when properly set and cared for.

GemSelect Certified Store Reviews

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Overall Rating -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

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Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

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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!

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I was able to find what I wanted very easily!

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Overall Rating -> 10 star ratings

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Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

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