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ID: 4139681 pcs
thumb image of 18.8ct Oval Cabochon Cream Star Moonstone (ID: 413968)
18.80 ct Star Moonstone
15.6 x 14 mm
$ 75.20
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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: 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: 3933201 pcs
thumb image of 18.6ct Asscher Cut Pink Rose Quartz (ID: 393320)
18.64 ct Rose Quartz
16.1 x 16.1 mm
$ 93.20
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ID: 4748191 pcs
thumb image of 18.7ct Oval Cabochon Lavender Blue Chalcedony (ID: 474819)
18.65 ct Chalcedony
20.4 x 15.4 mm
$ 22.38
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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: 3483541 pcs
thumb image of 18.9ct Oval Cabochon Grayish Blue Pietersite (ID: 348354)
18.91 ct Pietersite
29.5 x 22.1 mm
$ 75.64
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ID: 3102691 pcs
thumb image of 18.7ct Oval Facet Yellow Golden Zircon (ID: 310269)
18.67 ct Zircon
15.9 x 12.5 mm
$ 1540.28
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ID: 4721181 pcs
thumb image of 19.2ct Oval Facet Red Strawberry Quartz (ID: 472118)
19.24 ct Strawberry Quartz
19.6 x 15.5 mm
$ 134.68
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ID: 4593641 pcs
thumb image of 19ct Oval Portuguese-Cut Bi-color Ametrine (ID: 459364)
19.00 ct Ametrine
19.7 x 13.6 mm
$ 209.00
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ID: 3914631 pcs
thumb image of 19.9ct Round Cabochon Violet Amethyst (ID: 391463)
19.86 ct Amethyst
18 mm
$ 99.30
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ID: 3776311 pcs
thumb image of 19.8ct Fancy Cabochon Multicolor Ammolite (ID: 377631)
19.82 ct Ammolite
24.7 x 23.3 mm
$ 748.01
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ID: 3932231 pcs
thumb image of 19.8ct Round Cabochon Violet Amethyst (ID: 393223)
19.82 ct Amethyst
18 mm
$ 99.10
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ID: 4379511 pcs
thumb image of 19.8ct Oval Facet Pink Kunzite (ID: 437951)
19.84 ct Kunzite
18 x 11.8 mm
$ 396.80
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ID: 3331161 pcs
thumb image of 19.3ct Pear Facet Bi-Color Ametrine (ID: 333116)
19.29 ct Ametrine
22.3 x 15.9 mm
$ 192.90
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ID: 3640641 pcs
thumb image of 19.3ct Oval Cabochon Multicolor Jasper (ID: 364064)
19.27 ct Jasper
25 x 17.8 mm
$ 28.90
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ID: 4274151 pcs
thumb image of 19.5ct Cushion-Cut Pink Kunzite (ID: 427415)
19.48 ct Kunzite
19.5 x 10.7 mm
$ 389.60
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ID: 3776321 pcs
thumb image of 19.2ct Fancy Cabochon Multicolor Ammolite (ID: 377632)
19.21 ct Ammolite
31.3 x 14.6 mm
$ 724.99
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ID: 4744571 pcs
thumb image of 19.7ct Oval Cabochon Green Bloodstone (ID: 474457)
19.71 ct Bloodstone
18.4 x 17.8 mm
$ 49.28
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ID: 4101701 pcs
thumb image of 19.3ct Marquise Facet Pink Kunzite (ID: 410170)
19.30 ct Kunzite
28.4 x 10.6 mm
$ 386.00
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ID: 4535691 pcs
thumb image of 19.3ct Shark Fin Cabochon Multicolor Ammolite (ID: 453569)
19.31 ct Ammolite
31.7 x 14.4 mm
$ 714.47
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19 Carat Gems
Shop from our extensive range of beautiful, natural 19-carat gems. Browse the largest selection of natural loose colored gemstones available in 19 carats. Our large gemstone selection includes many popular gem types, such as moonstone, ametrine, topaz and turquoise, and lesser-known gems, including rainbow pyrite, ammolite and maw-sit-sit. Large, natural 19-carat gems are perfect for making statement jewelry, such as oversized pendants and other jewelry designs. 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 'seraphinite' to see all of our 19-carat seraphinite gems. Select 'black' to shop for 19-carat black 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