Heat Only Sapphire Gemstones
Browse natural heat only sapphire gemstones, enhanced solely by traditional heat treatment for improved color and clarity.
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Bi-color
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Black Sapphire Heat-Only
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Blue Sapphire Heat-Only
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Brown
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Golden Sapphire Heat-Only
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Gray Sapphire Heat-Only
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Green Sapphire Heat-Only
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Multicolor Sapphire Heat-Only
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Orange Sapphire Heat-Only
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Pink Sapphire Heat-Only
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Purple Sapphire Heat-Only
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Red Sapphire Heat-Only
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Turquoise Sapphire Heat-Only
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Violet Sapphire Heat-Only
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White Sapphire Heat-Only
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Yellow Sapphire Heat-Only
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
0.40ct Purple Sapphire, Oval, VVS
5.6 x 4 mm
$ 37.73
0.38ct Pink Sapphire, Oval, VVS
5.7 x 4 mm
$ 35.84
0.58ct Pink Sapphire, Oval, VVS
6.5 x 4.4 mm
$ 58.52
1.17ct Blue Sapphire, Marquise, VVS-VS
9.2 x 4.7 mm
$ 256.37
0.56ct Blue Sapphire, Marquise, VVS-VS
7.9 x 4 mm
$ 130.68
0.89ct Multicolor Sapphire, Cushion, VS
5.3 x 5.2 mm
$ 141.83
2.18ctw Yellow Sapphire, Round, VVS-VS
4.5 mm (calibrated)
$ 174.74
1.77ctw White Sapphire, Round, VS
4.5 mm (calibrated)
$ 233.46
3.26ct Black Star Sapphire, Oval, Opaque
9.7 x 7.6 mm
$ 58.45
5.17ct Black Star Sapphire, Oval, Opaque
10 x 8 mm (calibrated)
$ 92.69
0.64ct Blue Sapphire, Marquise, VVS-VS
8.1 x 4 mm
$ 149.35
0.70ct Pink Sapphire, Pear Shape, VVS-VS
6 x 4.9 mm
$ 230.08
0.92ct Yellow Sapphire, Oval, VS
7 x 4.8 mm
$ 88.00
0.82ct Pink Sapphire, Fancy, VVS
7.7 x 4.9 mm
$ 91.04
0.80ct Multicolor Sapphire, Cushion, VS
5 x 5 mm (calibrated)
$ 63.74
0.71ct Green Sapphire, Cushion, VVS-VS
4.6 x 4.6 mm
$ 56.57
0.57ct Multicolor Sapphire, Cushion, VVS-VS
5 x 4 mm (calibrated)
$ 90.84
0.72ct Yellow Sapphire, Oval, VS
5.7 x 4.3 mm
$ 43.38
0.84ct Green Sapphire, Cushion, VS
6.1 x 4.5 mm
$ 83.66
0.72ct Blue Sapphire, Marquise, VVS-VS
7.9 x 4.1 mm
$ 168.03
0.73ct Purple Sapphire, Fancy, VS
7.3 x 6 mm
$ 79.98
1.37ctw White Sapphire, Round, VS
4.2 mm
$ 180.96
1.39ctw White Sapphire, Square, VVS-VS
2.7 x 2.7 mm
$ 76.14
0.42ct White Sapphire, Round, VS
4.5 mm (calibrated)
$ 55.39
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Why Buy Sapphire Heat-Only from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
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.
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 
I purchased 4 gemstones in different sizes to be able to make a family ring for my granddaughter. I got exactly what I saw and they are absolutely beautiful! Shipping was quick compared to other gem stores I have dealt with! I will definitely order more stones from your company, as I am a collector and have several stones. You are my new go to company in the future
Overall Rating -> 8 
The website was easy to use and there were a lot of good options, I was satisfied.
Overall Rating -> 9 
They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!
Overall Rating -> 10
I have been very happy with my prior purchases and enjoy the website experience.
Overall Rating -> 10
Easy and good price
Overall Rating -> 10
this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.
