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ID: 4170311 pcs
thumb image of 19.4ct Oval Cabochon Cream Star Moonstone (ID: 417031)
19.41 ct Star Moonstone
16.9 x 14.8 mm
$ 77.64
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ID: 3832741 pcs
thumb image of 19.7ct Cushion-Cut Green/Pink Color-Change Diaspore (ID: 383274)
19.71 ct Color-Change Diaspore
18.9 x 12.3 mm
$ 6732.77
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ID: 4297021 pcs
thumb image of 19.7ct Oval Facet Green Apatite (ID: 429702)
19.71 ct Apatite
19.6 x 15.6 mm
$ 3153.60
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ID: 3815591 pcs
thumb image of 19.9ct Round Facet Green/Pink Color-Change Diaspore (ID: 381559)
19.90 ct Color-Change Diaspore
15.4 mm
$ 6500.92
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ID: 4061171 pcs
thumb image of 19.8ct Oval Facet Pink Kunzite (ID: 406117)
19.75 ct Kunzite
16.7 x 14.4 mm
$ 842.14
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ID: 4454161 pcs
thumb image of 20.9ct Oval Facet Violet-Blue Color-Change Fluorite (ID: 445416)
20.94 ct Color-Change Fluorite
20.2 x 15.2 mm
$ 525.18
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ID: 3336011 pcs
thumb image of 20.2ct Oval Cabochon Multicolor Sugilite (ID: 333601)
20.20 ct Sugilite
25.3 x 18 mm
$ 181.80
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ID: 4576571 pcs
thumb image of 20.6ct Cushion-Cut Yellow Golden Citrine (ID: 457657)
20.56 ct Citrine
21.1 x 13.1 mm
$ 102.80
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ID: 3840101 pcs
thumb image of 20.4ct Octagon Facet Golden Apatite (ID: 384010)
20.43 ct Apatite
17.5 x 13.2 mm
$ 1090.55
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ID: 4562271 pcs
thumb image of 19.4ct Oval Cabochon Violet Charoite (ID: 456227)
19.38 ct Charoite
25.2 x 18.1 mm
$ 29.07
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ID: 3631181 pcs
thumb image of 20.5ct Pear Cabochon Green Variscite (ID: 363118)
20.48 ct Variscite
27 x 18 mm
$ 102.40
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ID: 3140181 pcs
thumb image of 20.3ct Pear Cabochon Multicolor Chrysocolla (ID: 314018)
20.31 ct Chrysocolla
25.2 x 17.7 mm
$ 81.70
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ID: 4561051 pcs
thumb image of 20.2ct Oval Cabochon Violet Charoite (ID: 456105)
20.20 ct Charoite
24.8 x 18.3 mm
$ 30.30
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ID: 4576871 pcs
thumb image of 20.3ct Pear Facet Lemon Quartz (ID: 457687)
20.34 ct Quartz
21.9 x 15.4 mm
$ 20.34
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ID: 4570511 pcs
thumb image of 20.2ct Oval Cabochon Violet Charoite (ID: 457051)
20.24 ct Charoite
25 x 18.2 mm
$ 30.36
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ID: 3648911 pcs
thumb image of 20.2ct Briolette with Hole Pink Rose Quartz (ID: 364891)
20.23 ct Rose Quartz
23 mm
$ 40.86
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ID: 4563601 pcs
thumb image of 20.3ct Oval Cabochon Violet Charoite (ID: 456360)
20.31 ct Charoite
25 x 18.1 mm
$ 30.46
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ID: 4564311 pcs
thumb image of 20.3ct Oval Cabochon Violet Charoite (ID: 456431)
20.32 ct Charoite
25.3 x 18.3 mm
$ 30.48
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ID: 4138071 pcs
thumb image of 20.9ct Oval Facet Violet-Blue Color-Change Fluorite (ID: 413807)
20.92 ct Color-Change Fluorite
19.9 x 15 mm
$ 418.40
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ID: 4562231 pcs
thumb image of 20.4ct Oval Cabochon Violet Charoite (ID: 456223)
20.36 ct Charoite
25.3 x 18.3 mm
$ 30.54
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ID: 4201701 pcs
thumb image of 19.3ct Oval Cabochon Green Jadeite (ID: 420170)
19.29 ct Jadeite
23.5 x 15.3 mm
$ 28.94
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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