Heat Only Sapphire Gemstones
Browse natural heat only sapphire gemstones, enhanced solely by traditional heat treatment for improved color and clarity.
|
Bi-color
|
Black Sapphire Heat-Only
|
Blue Sapphire Heat-Only
|
Brown
|
Golden
|
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
|
Single |
Pairs |
Lots |
Faceted |
Cabochons |
0.74ct Blue Sapphire, Marquise, VVS-VS
7.9 x 3.8 mm
$ 145.93
0.70ct Pink Sapphire, Oval, VVS-VS
6.5 x 4.6 mm
$ 209.16
0.63ct Violet Sapphire, Pear Shape, VVS-VS
6.8 x 4.7 mm
$ 82.83
0.63ct Pink Sapphire, Fancy, VVS-VS
6.9 x 5.3 mm
$ 70.20
0.55ct Orange Sapphire, Pear Shape, VVS-VS
6.4 x 4.7 mm
$ 33.15
1.24ctw Multicolor Sapphire, Square, VS
2.3 x 2.2 mm
$ 148.20
6.82ct Black Star Sapphire, Oval, Opaque
12 x 10 mm (calibrated)
$ 135.85
0.84ct Pink Sapphire, Fancy, VVS-VS
7.5 x 5.6 mm
$ 93.27
0.65ct Purple Sapphire, Emerald Cut, VVS-VS
6 x 4 mm (calibrated)
$ 84.23
0.80ct Orange Sapphire, Oval, VVS-VS
6.1 x 5 mm
$ 76.51
0.41ct Pink Sapphire, Oval, VS
6 x 4 mm (calibrated)
$ 40.84
1.27ctw White Sapphire, Round, VS
4.2 mm
$ 167.74
0.68ct Blue Sapphire, Cushion, VS-SI
4.6 x 4.5 mm
$ 54.18
0.49ct Pink Sapphire, Oval, VVS-VS
6 x 4 mm (calibrated)
$ 161.05
3.38ct Green Sapphire, Oval, VVS-VS
10 x 8 mm (calibrated)
$ 1,858.98
0.50ct Purple Sapphire, Pear Shape, VS
5.6 x 4.6 mm
$ 37.14
0.35ct Multicolor Sapphire, Round, Transparent
4.2 mm
$ 9.41
2.58ctw Blue Sapphire, Baguette, VS
5.7 x 3.1 mm
$ 437.70
1.29ct Blue Sapphire, Round, VS
6 mm (calibrated)
$ 1,065.67
1.39ctw White Sapphire, Round, VS
4.5 mm (calibrated)
$ 183.33
3.62ct Black Star Sapphire, Oval, Opaque
10 x 8 mm (calibrated)
$ 64.90
1.68ctw White Sapphire, Square, VVS-VS
2.2 x 2.2 mm
$ 92.03
1.71ctw White Sapphire, Round, VVS-VS
4.5 mm (calibrated)
$ 225.55
0.71ct Blue Sapphire, Marquise, VS
8.1 x 4.1 mm
$ 165.68
- Page 1
- Page 2
- Page 3
- Page 4
- Page 5
- Page 6
- Page 7
- Page 8
- Page 9
- Page 10
- Page 11
- Page 12
- Page 13
- Page 14
- Page 15
- Page 16
- Page 17
- Page 18
- Page 19
- Page 20
- Page 21
- Page 22
- Page 23
- Page 24
- Page 25
- Page 26
- Page 27
- Page 28
- Page 29
- Page 30
- Page 31
- Page 32
- Page 33
- Page 34
- Page 35
- Page 36
- Page 37
- Page 38
- Page 39
- Page 40
- Page 41
- Page 42
- Page 43
- Page 44
- Page 45
- Page 46
- Page 47
- Page 48
- Page 49
- Page 50
- Page 51
- Page 52
- Page 53
- Page 54
- Page 55
- Page 56
- Page 57
- Page 58
- Page 59
- Page 60
- Page 61
- Page 62
- Page 63
- Page 64
- Page 65
- Page 66
- Page 67
- Page 68
- Page 69
- Page 70
- Page 71
- Page 72
- Page 73
- Page 74
- Page 75
- Page 76
- Page 77
- Page 78
- Page 79
- Page 80
- Page 81
- Page 82
- Page 83
- Page 84
- Page 85
- Page 86
- Page 87
- Page 88
- Page 89
- Page 90
- Page 91
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 
A pleasant experience and many choices to choose from
Overall Rating -> 10
I love the product and the details about each of them.
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.
Overall Rating -> 10
GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!
Overall Rating -> 10
It was good. There was a large selection at prices I could afford.
Overall Rating -> 10
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!
