Buy Big 16 Carat Natural Gemstones
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Gemtypes in Category:
Agate (26)
Amazonite (4)
Amethyst (31)
Amethyst Geode Slice (3)
Ametrine (3)
Ammolite (40)
Black Opal (1)
Bloodstone (3)
Boulder Opal (11)
Chalcedony (4)
Charoite (2)
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Coral (2)
Dendritic Agate (1)
Druzy Azurite (2)
Druzy Citrine (1)
Druzy Variscite (8)
Fossil Coral (2)
Hematite (6)
Howlite (6)
Jadeite (8)
Jasper (29)
Kunzite (1)
Labradorite (9)
Lapis Lazuli (3)
Larimar (6)
Malachite (1)
Maw-Sit-Sit (3)
Moonstone (2)
Mother of Pearl (6)
Nuummite (4)
Obsidian (3)
Onyx (1)
Opal (3)
Pietersite (4)
Prehnite (2)
Pyrope Garnet (2)
Quartz (14)
Quartz With Marcasite (7)
Rainbow Moonstone (16)
Rainbow Pyrite (5)
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Ruby (5)
Ruby-Zoisite (14)
Rutile Quartz (2)
Serpentine (1)
Smoky Quartz (1)
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Spessartite Garnet (1)
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Star Ruby (3)
Star Sapphire (2)
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Topaz (14)
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16.21ct Turquoise Larimar, Oval, Opaque
20 x 15 mm (calibrated)
$
193.56
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16.61ct Violet Amethyst, Oval, IF
20 x 15 mm (calibrated)
$
110.29
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16.00ct Green Druzy Variscite, Fancy, Opaque
35.3 x 15.4 mm
$
67.89
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16.80ct Violet Amethyst, Oval, IF
20 x 15 mm (calibrated)
$
111.55
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16.00ct Multicolor Quartz With Marcasite, Oval, Transparent
21.4 x 14.4 mm
$
105.18
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16.76ct Brown Tiger'S Eye, Oval, Opaque
23.6 x 16.2 mm
$
18.37
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16.43ct Multicolor Jasper, Oval, Opaque
20 x 15 mm (calibrated)
$
13.50
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16.62ct Multicolor Jasper, Fancy, Opaque
28 x 8.6 mm
$
10.01
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16.62ct Multicolor Ammolite, Fancy, Opaque
30.2 x 11.6 mm
$
331.07
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16.33ct Multicolor Agate, Oval, Opaque
19.1 x 16 mm
$
13.01
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16.10ct Brown Smoky Quartz, Emerald Cut, VVS
14 x 14 mm (calibrated)
$
44.11
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16.43ct Black Onyx, Oval, Opaque
21.9 x 18.7 mm
$
32.73
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16.64ct Black Tourmaline, Emerald Cut, Opaque
15.5 x 13.4 mm
$
82.87
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16.79ct White Rainbow Moonstone, Oval, Transparent
18.7 x 14.1 mm
$
250.84
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16.94ct Blue Topaz, Oval, VS
17.1 x 13 mm
$
134.97
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16.93ct Multicolor Quartz With Marcasite, Oval, Transparent
20 x 15 mm (calibrated)
$
111.29
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16.13ct Blue Lapis Lazuli, Trillion, Opaque
24 x 21.9 mm
$
22.23
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16.04ct Multicolor Ruby-Zoisite, Pear Shape, Opaque
19.8 x 14.4 mm
$
43.93
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16.84ct Bi-Color Ametrine, Pear Shape, VVS
21 x 13.8 mm
$
110.70
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16.93ct Multicolor Agate, Round, Opaque
14 mm (calibrated)
$
16.87
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16.24ct Bi-Color Ametrine, Pear Shape, VVS
21.8 x 14.1 mm
$
118.86
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16.81ct White Mother Of Pearl, Round, Opaque
24.4 mm
$
20.26
View Gem
16.16ct Multicolor Ammolite, Fancy, Opaque
24.7 x 15.7 mm
$
354.09
View Gem
16.86ct Gray Hematite, Pear Shape, Opaque
18.9 x 16.1 mm
$
13.70
View Gem
Why Buy 16 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
Enjoy viewing the selections. Excellent product
Posted By ToRa.62 in April, 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
I have been very happy with my prior purchases and enjoy the website experience.
Posted By Trouble in November, 2025
Source: Bizrate
Overall Rating -> 10
Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.
Posted By Beman in September, 2025
Source: Bizrate
Overall Rating -> 9
Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly
Posted By Ron T in November, 2025
Source: Bizrate
Overall Rating -> 10
I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.
Posted By Tim W in February, 2026
Source: Bizrate