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ID: 4622011 pcs
thumb image of 19.7ct Oval Cabochon Multicolor Opal (ID: 462201)
19.73 ct Opal
20.3 x 17.5 mm
$ 794.33
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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: 4714321 pcs
thumb image of 19.9ct Fancy Cabochon Multicolor Rhodochrosite (ID: 471432)
19.85 ct Rhodochrosite
17 x 17.2 mm
$ 16.48
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ID: 4336561 pcs
thumb image of 20.5ct Pear Facet Bi-Color Ametrine (ID: 433656)
20.48 ct Ametrine
20.6 x 16.7 mm
$ 111.82
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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: 3924301 pcs
thumb image of 19.2ct Asscher Cut Pink Rose Quartz (ID: 392430)
19.20 ct Rose Quartz
16.2 x 15.9 mm
$ 96.00
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ID: 4477081 pcs
thumb image of 20.4ct Oval Cabochon Multicolor Pietersite (ID: 447708)
20.37 ct Pietersite
29.8 x 21.5 mm
$ 61.11
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ID: 3632591 pcs
thumb image of 20.9ct Round Cabochon Purple Amethyst (ID: 363259)
20.85 ct Amethyst
18 mm
$ 104.25
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ID: 4202871 pcs
thumb image of 19.4ct Oval Cabochon Green Jadeite (ID: 420287)
19.40 ct Jadeite
23.8 x 19 mm
$ 58.20
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ID: 3632641 pcs
thumb image of 20.4ct Round Cabochon Purple Amethyst (ID: 363264)
20.41 ct Amethyst
18.1 mm
$ 102.05
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ID: 4722441 pcs
thumb image of 19.6ct Cushion Cabochon Violet Charoite (ID: 472244)
19.59 ct Charoite
22.7 x 16.7 mm
$ 28.80
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ID: 4523041 pcs
thumb image of 19.7ct Oval Cabochon Violet Charoite (ID: 452304)
19.74 ct Charoite
25.3 x 18.1 mm
$ 29.61
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ID: 3640621 pcs
thumb image of 19.6ct Oval Cabochon Multicolor Jasper (ID: 364062)
19.58 ct Jasper
25.2 x 18.3 mm
$ 29.37
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ID: 4485721 pcs
thumb image of 19.9ct Oval Cabochon Violet Charoite (ID: 448572)
19.87 ct Charoite
24.9 x 18.2 mm
$ 29.81
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ID: 3933551 pcs
thumb image of 20.1ct Oval Cabochon Violet Amethyst (ID: 393355)
20.07 ct Amethyst
17.5 x 14.8 mm
$ 100.35
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ID: 3776371 pcs
thumb image of 20.4ct Trillion Cabochon Multicolor Ammolite (ID: 377637)
20.44 ct Ammolite
28.5 x 19.1 mm
$ 771.41
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ID: 4523071 pcs
thumb image of 20.2ct Oval Cabochon Violet Charoite (ID: 452307)
20.16 ct Charoite
25.2 x 18.2 mm
$ 30.24
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ID: 4194151 pcs
thumb image of 20.3ct Oval Cabochon Golden Green Cat's Eye Apatite (ID: 419415)
20.30 ct Cat's Eye Apatite
19 x 13 mm
$ 203.00
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ID: 4535701 pcs
thumb image of 20.7ct Fancy Cabochon Multicolor Ammolite (ID: 453570)
20.65 ct Ammolite
22.2 x 18.3 mm
$ 764.05
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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: 3853491 pcs
thumb image of 20.8ct Oval Cabochon Greenish Golden Cat's Eye Apatite (ID: 385349)
20.82 ct Cat's Eye Apatite
17.9 x 15.2 mm
$ 416.40
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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