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ID: 4337261 pcs
thumb image of 19.4ct Pear Cabochon Gold Sheen Obsidian (ID: 433726)
19.36 ct Obsidian
26.8 x 16.3 mm
$ 19.36
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ID: 3638301 pcs
thumb image of 20.1ct Fancy Cabochon Multicolor Jasper (ID: 363830)
20.05 ct Jasper
29.8 x 19 mm
$ 40.10
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ID: 4202781 pcs
thumb image of 20.8ct Oval Cabochon Green Jadeite (ID: 420278)
20.76 ct Jadeite
24.8 x 17.4 mm
$ 41.52
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ID: 3962941 pcs
thumb image of 20.6ct Oval Cabochon Green Serpentine (ID: 396294)
20.56 ct Serpentine
21.7 x 16 mm
$ 37.01
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ID: 4535891 pcs
thumb image of 19.3ct Pear Facet Lemon Quartz (ID: 453589)
19.32 ct Quartz
19.6 x 14.9 mm
$ 28.40
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ID: 3801741 pcs
thumb image of 20.4ct Marquise Facet Pink Rose Quartz (ID: 380174)
20.36 ct Rose Quartz
28.4 x 15.2 mm
$ 40.72
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ID: 3991451 pcs
thumb image of 20.2ct Octagon / Scissor Cut Lemon Quartz (ID: 399145)
20.22 ct Quartz
15.8 x 15.1 mm
$ 32.15
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ID: 4515441 pcs
thumb image of 19.7ct Fancy Cabochon Multicolor Ammolite (ID: 451544)
19.66 ct Ammolite
40.9 x 10.2 mm
$ 547.92
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ID: 4201221 pcs
thumb image of 20.6ct Oval Cabochon Green Jadeite (ID: 420122)
20.64 ct Jadeite
24.4 x 18.9 mm
$ 30.96
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ID: 3329321 pcs
thumb image of 20ct Oval Cabochon Pink Rose Quartz (ID: 332932)
19.98 ct Rose Quartz
18.1 x 13.2 mm
$ 23.98
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ID: 3339201 pcs
thumb image of 19.7ct Oval Cabochon Blue-Green Cat's Eye Aquamarine (ID: 333920)
19.65 ct Cat's Eye Aquamarine
17.5 x 13.3 mm
$ 353.70
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ID: 4474751 pcs
thumb image of 19.4ct Fancy Cabochon Blue Larimar (ID: 447475)
19.36 ct Larimar
27.5 x 21.6 mm
$ 62.92
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ID: 3796441 pcs
thumb image of 20.8ct Briolette with Hole Lemon Quartz (ID: 379644)
20.77 ct Quartz
22.1 mm
$ 51.92
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ID: 3459841 pcs
thumb image of 20.2ct Oval Cabochon Pink Rose Quartz (ID: 345984)
20.15 ct Rose Quartz
17.9 x 14.9 mm
$ 26.20
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ID: 3899601 pcs
thumb image of 19.7ct Oval Cabochon Gold Brown Tiger's Eye (ID: 389960)
19.66 ct Tiger's Eye
24.7 x 16.6 mm
$ 39.32
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ID: 3759641 pcs
thumb image of 19.9ct Fancy Cabochon Multicolor Ammolite (ID: 375964)
19.86 ct Ammolite
34.2 x 15.2 mm
$ 635.52
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ID: 4058001 pcs
thumb image of 20.2ct Oval Cabochon Multicolor Tiger's Eye Matrix (ID: 405800)
20.22 ct Tiger's Eye Matrix
20 x 15 mm
$ 21.64
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ID: 3493601 pcs
thumb image of 20ct Baguette / Scissor Cut Black Tourmaline (ID: 349360)
19.96 ct Tourmaline
20.4 x 13.7 mm
$ 54.89
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ID: 3145221 pcs
thumb image of 19.9ct Pear Cabochon Pink Rose Quartz (ID: 314522)
19.92 ct Rose Quartz
18.3 x 13.2 mm
$ 23.90
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ID: 3534771 pcs
thumb image of 21ct Oval Cabochon Cream Moonstone (ID: 353477)
20.99 ct Moonstone
17.9 x 13 mm
$ 41.98
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ID: 3592261 pcs
thumb image of 19.7ct Oval Cabochon Green Chrysoprase (ID: 359226)
19.69 ct Chrysoprase
15.9 x 14.6 mm
$ 98.45
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20 Carat Gems
Buy gems by carat weight. Shop from our extensive range of beautiful, natural 20 carat gems. Browse the largest selection of natural loose colored gemstones available in 20 carats. Our wide gemstone selection includes many popular gem types, such as amethyst, citrine, rose quartz 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 'tiger's eye' to see all of our 20 carat tiger's eye gems. Select 'violet' to shop for 20 carat purple 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