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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (513): 16 Carat Gems Clear All
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16.1ct Drilled Sphere Multicolor Jasper Gem (ID: 469882)
16.09 ct (total 48.28ctw) Jasper
12.6 mm
$ 25.11
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16.1ct Octagon Step Cut Purplish Pink Mystic Topaz Gem (ID: 484923)
16.13 ct Mystic Topaz
15.9 x 12.1 mm
$ 145.17
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16.9ct Cushion Cabochon Pink Smithsonite Gem (ID: 380712)
16.90 ct Smithsonite
14.5 x 13.2 mm
$ 455.29
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15.5ct Octagon Step Cut Purplish Pink Mystic Topaz Gem (ID: 484919)
15.50 ct Mystic Topaz
16 x 12.1 mm
$ 139.50
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16.8ct Octagon / Scissor Cut Blue Zircon Gem (ID: 337548)
16.80 ct Zircon
17 x 9.4 mm
$ 5,078.84
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15.9ct Oval Cabochon Orange Cream Star Moonstone Gem (ID: 262109)
15.93 ct Star Moonstone
14.2 x 13.4 mm
$ 63.72
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15.7ct Oval Cabochon Multicolor Opal Gem (ID: 462134)
15.72 ct Opal
19.5 x 17.1 mm
$ 632.89
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16.1ct Pencil Multicolor Bloodstone Gem (ID: 485345)
16.12 ct Bloodstone
24.7 x 9.2 mm
$ 8.06
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16.8ct Oval Cabochon White Green Jadeite Gem (ID: 481599)
16.77 ct Jadeite
16.4 x 14.3 mm
$ 18.28
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16.7ct Pear Cabochon Bluish White Rainbow Moonstone Gem (ID: 491945)
16.65 ct Rainbow Moonstone
19.2 x 18.6 mm
$ 27.81
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15.5ct Oval Facet Orange Spessartite Garnet Gem (ID: 486941)
15.53 ct Spessartite Garnet
15.3 x 12.9 mm
$ 621.20
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15.8ct Oval Cabochon Yellow Fire Opal Gem (ID: 380401)
15.79 ct Fire Opal
22.3 x 14.9 mm
$ 341.22
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16.2ct Oval Cabochon Bluish White Rainbow Moonstone Gem (ID: 491785)
16.15 ct Rainbow Moonstone
21 x 14.4 mm
$ 26.97
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15.7ct Oval Facet Greenish Golden Apatite Gem (ID: 398364)
15.65 ct Apatite
18.8 x 13.5 mm
$ 745.10
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16.5ct Octagon Step Cut Purplish Pink Mystic Topaz Gem (ID: 485067)
16.52 ct Mystic Topaz
16 x 12.2 mm
$ 99.12
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16.3ct Oval Cabochon Lavender Jadeite Gem (ID: 384484)
16.31 ct Jadeite
19.6 x 14.4 mm
$ 48.93
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16ct Pear Cabochon Blue-Sheen Gray Labradorite Gem (ID: 499693)
16.00 ct Labradorite
22.6 x 15.1 mm
$ 16.80
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15.9ct Oval Facet Yellow Golden Citrine Gem (ID: 443583)
15.87 ct Citrine
18.3 x 13.6 mm
$ 79.35
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15.9ct Carved Fish Pink Rose Quartz Gem (ID: 345373)
15.86 ct Rose Quartz
26.7 x 14.3 mm
$ 18.40
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16ct Baguette Cabochon Bluish White Rainbow Moonstone Gem (ID: 491779)
15.97 ct Rainbow Moonstone
20 x 10.1 mm
$ 26.67
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16.9ct Asscher Cut Pink Rose Quartz Gem (ID: 392182)
16.88 ct Rose Quartz
15.9 x 15.8 mm
$ 84.40
Item in Stock
16 Carat Gems
Buy gems by weight. Shop from our extensive range of beautiful, natural 16-carat gems. Browse the largest selection of natural loose colored gemstones available in 16 carats. Our large gemstone selection includes many popular gem types, such as amethyst, citrine, topaz and turquoise, and lesser-known gems, including ruby-zoisite, ammolite and maw-sit-sit. From here, you can use our filters at the top or on the left-hand side to find gems by gem type, color, shape, cut and so on. For example, select 'tourmaline' to see all of our 16-carat tourmaline gems. Select 'multicolor' to shop for 16-carat multicolor gems. You can also filter by single, pairs, lots, faceted gems or cabochons by using the check boxes at the top.
Certified Customer Reviews
Overall Rating -> 10 star ratings
Excelente proceso de compra!!
Posted By Mariana in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
first purchase, this is a test
Posted By Bob in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I have purchased from Gemselect before, the shopping is easy, clear and quick. You have a wide range of products so I can adjust what I want to how much I can spend! The photos of the gems are beautiful and make it easy to choose the one suits me best! I honestly cannot fault you in any way at all! The delivery is always timely too! You guys rock! ;)
Posted By Ljimac1883 in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Website easy to use!!
Posted By Jody in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Easy to use. and fast shipping
Posted By Jj in September, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Gem Select is a wonderful site for a small business it took us a little time to get acquainted with the site but it all works well. We are happy with the quality and the merchandise and the certificate option.
Posted By Paddy whack in September, 2018
Source: Bizrate
Popular Gemstones
All Gemstones (139)
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart