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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (402): 16 Carat Gems Clear All
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ID: 4095011 pcs
thumb image of 16.3ct Heart Facet Swiss Blue Topaz (ID: 409501)
16.32 ct Topaz
16 x 16 mm
$ 114.24
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ID: 3640091 pcs
thumb image of 16.5ct Oval Cabochon Multicolor Jasper (ID: 364009)
16.50 ct Jasper
24.7 x 18.3 mm
$ 24.75
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ID: 3828401 pcs
thumb image of 16.7ct Oval Cabochon Lavender Jadeite (ID: 382840)
16.67 ct Jadeite
22.3 x 17.5 mm
$ 116.69
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ID: 3640121 pcs
thumb image of 16.2ct Oval Cabochon Multicolor Jasper (ID: 364012)
16.21 ct Jasper
24.8 x 18 mm
$ 24.32
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ID: 3993221 pcs
thumb image of 15.8ct Oval Facet Swiss Blue Topaz (ID: 399322)
15.80 ct Topaz
18.1 x 13.1 mm
$ 110.60
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ID: 4529171 pcs
thumb image of 16.4ct Fancy Cabochon Multicolor Ammolite (ID: 452917)
16.37 ct Ammolite
28.5 x 12.2 mm
$ 398.28
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ID: 2621091 pcs
thumb image of 15.9ct Oval Cabochon Orange Cream Star Moonstone (ID: 262109)
15.93 ct Star Moonstone
14.2 x 13.4 mm
$ 63.72
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ID: 4080391 pcs
thumb image of 15.6ct Octagon / Scissor Cut Brown Smoky Quartz (ID: 408039)
15.56 ct Smoky Quartz
15 x 14.9 mm
$ 27.85
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ID: 4024761 pcs
thumb image of 15.7ct Oval Cabochon Colorless Golden Rutile Quartz (ID: 402476)
15.74 ct Rutile Quartz
20.5 x 13.9 mm
$ 50.53
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ID: 4172851 pcs
thumb image of 16.8ct Oval Checkerboard (double sided) Lemon Quartz (ID: 417285)
16.80 ct Quartz
20.1 x 15.1 mm
$ 33.60
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ID: 4474481 pcs
thumb image of 16.8ct Drilled Sphere Blue Kyanite (ID: 447448)
16.81 ct Kyanite
12.3 mm
$ 33.62
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ID: 4070961 pcs
thumb image of 16ct Cushion-Cut Bi-Color Ametrine (ID: 407096)
15.98 ct Ametrine
16.8 x 14.5 mm
$ 95.88
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ID: 4172881 pcs
thumb image of 16.4ct Oval Checkerboard (double sided) Lemon Quartz (ID: 417288)
16.43 ct Quartz
20.1 x 15.2 mm
$ 32.86
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ID: 4274071 pcs
thumb image of 15.9ct Pear Facet Pink Kunzite (ID: 427407)
15.88 ct Kunzite
18.5 x 12.3 mm
$ 317.60
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ID: 3661971 pcs
thumb image of 16ct Oval Facet Black Tourmaline (ID: 366197)
15.97 ct Tourmaline
15.8 x 13.1 mm
$ 43.92
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ID: 4206741 pcs
thumb image of 15.5ct Fancy Cabochon Multicolor Boulder Opal (ID: 420674)
15.53 ct Boulder Opal
18.3 x 13.8 mm
$ 93.18
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ID: 3335821 pcs
thumb image of 15.9ct Baroque Silver Pearl (ID: 333582)
15.88 ct Pearl
15.4 x 12.9 mm
$ 189.99
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ID: 3262531 pcs
thumb image of 16ct Pear Cabochon Multicolor Ruby-Zoisite (ID: 326253)
16.04 ct Ruby-Zoisite
19.8 x 14.4 mm
$ 40.10
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ID: 3920551 pcs
thumb image of 15.9ct Oval Cabochon Multicolor Rhodochrosite (ID: 392055)
15.86 ct Rhodochrosite
17.9 x 12.9 mm
$ 31.72
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ID: 4063171 pcs
thumb image of 16.9ct Round Cabochon Orange Cream Moonstone (ID: 406317)
16.94 ct Moonstone
16.2 mm
$ 33.88
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ID: 3619591 pcs
thumb image of 16.9ct Oval Cabochon Pink Rose Quartz (ID: 361959)
16.93 ct Rose Quartz
16.6 x 13.6 mm
$ 33.86
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16 Carat Gems
Buy gems by price. 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.
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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