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ID: 4338351 pcs
thumb image of 12.9ct Cushion Cabochon Gold Sheen Obsidian (ID: 433835)
12.89 ct Obsidian
25.7 x 14.2 mm
$ 12.89
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ID: 4089251 pcs
thumb image of 13.1ct Oval Cabochon Blue Hemimorphite (ID: 408925)
13.12 ct Hemimorphite
14.6 x 12.3 mm
$ 432.96
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ID: 3801071 pcs
thumb image of 12.5ct Cushion Cabochon Yellow Orange Fire Opal (ID: 380107)
12.52 ct Fire Opal
17.3 x 14.2 mm
$ 438.20
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ID: 4503731 pcs
thumb image of 14ct Octagon / Scissor Cut Light Blue Aquamarine (ID: 450373)
13.95 ct Aquamarine
18.9 x 9.9 mm
$ 3487.50
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ID: 4479621 pcs
thumb image of 13.9ct Oval Cabochon Multicolor Pietersite (ID: 447962)
13.92 ct Pietersite
19.9 x 14.8 mm
$ 41.76
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ID: 4009101 pcs
thumb image of 14ct Octagon Facet Greenish Golden Apatite (ID: 400910)
13.95 ct Apatite
15.8 x 13.5 mm
$ 1116.00
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ID: 3774361 pcs
thumb image of 12.8ct Fancy Cabochon Multicolor Ammolite (ID: 377436)
12.79 ct Ammolite
28.3 x 11.6 mm
$ 482.69
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ID: 4503761 pcs
thumb image of 13.9ct Octagon / Scissor Cut Light Blue Aquamarine (ID: 450376)
13.90 ct Aquamarine
25.6 x 8.4 mm
$ 3475.00
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ID: 4495461 pcs
thumb image of 12.7ct Oval Cabochon Orange Red Carnelian (ID: 449546)
12.70 ct Carnelian
17.7 x 13 mm
$ 63.50
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ID: 3434591 pcs
thumb image of 12.6ct Carved Rose with Hole Gold Brown Tiger's Eye (ID: 343459)
12.56 ct Tiger's Eye
16.4 x 15.9 mm
$ 15.07
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ID: 4171901 pcs
thumb image of 13.7ct Oval Facet Golden Green Tourmaline (ID: 417190)
13.65 ct Tourmaline
15.9 x 12.9 mm
$ 2320.50
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ID: 3358501 pcs
thumb image of 13.1ct Spherical Golden Pearl (ID: 335850)
13.10 ct Pearl
12.3 mm
$ 267.37
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ID: 4027891 pcs
thumb image of 13.1ct Octagon Facet Bi-color Tourmaline (ID: 402789)
13.13 ct Tourmaline
12.3 x 11.5 mm
$ 2109.50
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ID: 3829411 pcs
thumb image of 13.3ct Oval Cabochon Lavender Jadeite (ID: 382941)
13.30 ct Jadeite
22.7 x 12.5 mm
$ 93.10
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ID: 4074851 pcs
thumb image of 13.9ct Round Carved Cameo White Mother of Pearl (ID: 407485)
13.91 ct Mother of Pearl
25.3 mm
$ 15.30
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ID: 4202661 pcs
thumb image of 13.3ct Oval Cabochon Green Jadeite (ID: 420266)
13.32 ct Jadeite
20.4 x 16.2 mm
$ 26.64
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ID: 3821041 pcs
thumb image of 13.9ct Octagon Facet Golden Apatite (ID: 382104)
13.92 ct Apatite
13.2 x 15.6 mm
$ 895.49
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ID: 3171201 pcs
thumb image of 12.9ct Oval Cabochon Grayish Blue Pietersite (ID: 317120)
12.85 ct Pietersite
18.1 x 13.1 mm
$ 51.40
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ID: 4340941 pcs
thumb image of 12.7ct Octagon Facet Bi-Color Ametrine (ID: 434094)
12.66 ct Ametrine
21.4 x 9.9 mm
$ 69.12
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ID: 4206061 pcs
thumb image of 13.6ct Oval Cabochon Green Jadeite (ID: 420606)
13.55 ct Jadeite
20 x 16.3 mm
$ 27.10
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ID: 4059761 pcs
thumb image of 13.7ct Baguette Facet Pink Kunzite (ID: 405976)
13.65 ct Kunzite
14.9 x 11.3 mm
$ 582.04
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13 Carat Gems
Buy gems by price. Shop from our extensive range of beautiful, natural 13 carat gems. Browse the largest selection of natural loose colored gemstones available in 13 carats. Our large gemstone selection includes many popular gem types, such as amethyst, citrine, topaz and turquoise, and lesser-known gems, including rhodochrosite, 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 13 carat tourmaline gems. Select 'multicolor' to shop for 13 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