Buy Big 15 Carat Natural Gemstones
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Gemtypes in Category:
Agate (34)
Agate Geode (4)
Amazonite (6)
Amethyst (39)
Amethyst Geode Slice (2)
Ametrine (3)
Ammolite (61)
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Druzy Variscite (1)
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15.14ct Blue Topaz, Flower Cut, Transparent
16.5 x 13.2 mm
$
99.52
View Gem
15.77ct Yellow Quartz, Oval, Transparent
16.2 x 13.5 mm
$
15.70
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15.91ct Multicolor Tiger'S Eye Matrix, Baguette, Opaque
19.9 x 9.3 mm
$
9.20
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15.51ct Orange Druzy Citrine, Oval, Opaque
15.3 x 10.6 mm
$
30.88
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15.06ct Blue Larimar, Oval, Opaque
28.5 x 16.6 mm
$
158.38
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15.49ct Green Prehnite, Fancy, Translucent
16 x 12 mm (calibrated)
$
26.81
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15.59ct Multicolor Ammolite, Fancy, Opaque
21.7 x 16.4 mm
$
310.55
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15.08ct Pink Strawberry Quartz, Oval, Translucent
18 x 14.3 mm
$
115.65
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15.07ct Yellow Quartz, Oval, Transparent
17.3 x 13.7 mm
$
12.51
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15.57ct Multicolor Labradorite, Pear Shape, Translucent
20 x 15 mm (calibrated)
$
34.43
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15.89ct Multicolor Ammolite, Fancy, Opaque
21.7 x 15.1 mm
$
174.09
View Gem
15.17ct Brown Tiger'S Eye, Oval, Opaque
21.3 x 15.5 mm
$
11.79
View Gem
15.32ct Violet Amethyst, Flower Cut, Translucent
21 x 14.6 mm
$
45.77
View Gem
15.69ct Multicolor Jasper, Pear Shape, Opaque
25 x 18 mm (calibrated)
$
12.96
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15.99ct Yellow Quartz, Pear Shape, Transparent
24.3 x 17.2 mm
$
13.27
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15.89ct Yellow Calcite, Pear Shape, Translucent
26.3 x 15.4 mm
$
10.91
View Gem
15.46ct Multicolor Ruby-Zoisite, Oval, Opaque
19.1 x 13.5 mm
$
25.41
View Gem
15.22ct Multicolor Jasper, Oval, Opaque
23.7 x 17.7 mm
$
12.58
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15.54ct Pink Rose Quartz, Flower Cut, Transparent
19.4 x 19.2 mm
$
34.05
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15.44ct Violet Amethyst, Fancy, Transparent
22.1 x 14.5 mm
$
46.13
View Gem
15.34ct Multicolor Ammolite, Fancy, Opaque
22.7 x 16.5 mm
$
168.07
View Gem
15.45ct Multicolor Agate, Oval, Opaque
17.8 x 15.1 mm
$
15.39
View Gem
15.84ct Green Maw-Sit-Sit, Oval, Opaque
16.1 x 13 mm
$
52.06
View Gem
15.33ct Black Nuummite, Oval, Opaque
17.5 x 15.8 mm
$
67.34
View Gem
Why Buy 15 Ct Gemstones from GemSelect?
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10
I was able to find what I wanted very easily!
Posted By Lenny in January, 2026
Source: Bizrate
Overall Rating -> 10
Had a great experience and the prices are great
Posted By BuBx99 in November, 2025
Source: Bizrate
Overall Rating -> 10
Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!
Posted By SallyO in February, 2026
Source: Bizrate
Overall Rating -> 10
I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!
Posted By Geof in November, 2025
Source: Bizrate
Overall Rating -> 9
Will know more once order received
Posted By Jim in September, 2025
Source: Bizrate
Overall Rating -> 10
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
Posted By Bob D in December, 2025
Source: Bizrate