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Home Gemstones Sapphire Heat-Only

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

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Black Sapphire Heat-Only
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Gray Sapphire Heat-Only
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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
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1.96ctw Blue Sapphire, Briolette, VS

5.2 x 3.2 mm

$ 205.97

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0.44ct Pink Sapphire, Oval, VVS

6.1 x 4.2 mm

$ 43.82

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0.65ct Blue Sapphire, Round, VS

5.2 mm

$ 386.93

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1.95ctw Blue Sapphire, Briolette, VS

4.5 x 2.7 mm

$ 105.74

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1.64ct White Sapphire, Oval, VS

7.4 x 6.7 mm

$ 653.38

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0.56ct Blue Sapphire, Round, VS

5 mm (calibrated)

$ 333.35

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1.21ctw Orange Sapphire, Oval, VVS-VS

6.4 x 4.2 mm

$ 116.24

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0.68ctw Pink Sapphire, Oval, VS

6 x 4 mm (calibrated)

$ 63.35

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0.61ct Yellow Sapphire, Cushion, VS

5 x 4 mm (calibrated)

$ 72.91

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0.41ct Purple Sapphire, Pear Shape, VS

7.2 x 3.8 mm

$ 35.94

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0.46ct Yellow Sapphire, Round, VVS

4.2 mm

$ 24.40

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0.47ct Yellow Sapphire, Round, VS

4.5 mm (calibrated)

$ 20.81

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0.55ct Blue Sapphire, Round, VVS-VS

5 mm (calibrated)

$ 327.39

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0.34ct Pink Sapphire, Oval, VS

6 x 4 mm (calibrated)

$ 33.86

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0.37ctw Purple Sapphire, Marquise, VS

5.3 x 2.8 mm

$ 32.24

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0.30ct Pink Sapphire, Oval, VS

6 x 4 mm (calibrated)

$ 29.88

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2.13ctw Multicolor Sapphire, Square, VS

2.4 x 2.3 mm

$ 254.58

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0.56ct Yellow Sapphire, Oval, VVS

6 x 5 mm

$ 61.35

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0.70ctw Pink Sapphire, Oval, VS

5 x 4 mm (calibrated)

$ 69.76

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0.62ct Yellow Sapphire, Oval, VVS-VS

6.6 x 4.7 mm

$ 37.36

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0.87ctw Pink Sapphire, Oval, VS

6 x 4 mm (calibrated)

$ 97.27

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4.67ct Black Star Sapphire, Oval, Opaque

10.7 x 8.4 mm

$ 83.72

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0.77ct Blue Sapphire, Cushion, VS

5.6 x 4.6 mm

$ 92.03

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0.78ct Purple Sapphire, Oval, VVS-VS

6 x 4.8 mm

$ 256.37

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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

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate
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