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You Selected (3183): 0.5 - 1 Carat Gems Clear All
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ID: 4545941 pcs
thumb image of 0.7ct Oval Facet Green/Pink Color-Change Diaspore (ID: 454594)
0.71 ct Color-Change Diaspore
9.6 x 4.1 mm
$ 22.72
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ID: 4401121 pcs
thumb image of 1ct Octagon Facet Green/Pink Color-Change Diaspore (ID: 440112)
0.97 ct Color-Change Diaspore
5.8 x 5.4 mm
$ 27.16
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ID: 4316241 pcs
thumb image of 1ct Octagon Facet Cinnamon Orange Hessonite Garnet (ID: 431624)
0.98 ct Hessonite Garnet
5.5 x 5.5 mm
$ 17.64
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ID: 4545821 pcs
thumb image of 0.7ct Cushion-Cut Green/Pink Color-Change Diaspore (ID: 454582)
0.66 ct Color-Change Diaspore
5.6 x 5.5 mm
$ 21.12
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ID: 4543881 pcs
thumb image of 0.5ct Pear Facet Green/Pink Color-Change Diaspore (ID: 454388)
0.53 ct Color-Change Diaspore
9.2 x 3.6 mm
$ 16.96
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ID: 4158491 pcs
thumb image of 0.9ct Octagon Facet Green Tourmaline (ID: 415849)
0.85 ct Tourmaline
6.5 x 4.5 mm
$ 20.53
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ID: 4316271 pcs
thumb image of 0.9ct Octagon Facet Cinnamon Orange Hessonite Garnet (ID: 431627)
0.87 ct Hessonite Garnet
5.1 x 5 mm
$ 15.66
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ID: 4296291 pcs
thumb image of 0.5ct Oval Facet Greenish Brown To Red Pink Color-Change Garnet (ID: 429629)
0.53 ct Color-Change Garnet
5 x 4 mm
$ 26.50
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ID: 4122961 pcs
thumb image of 0.8ct Oval Facet Green Emerald (ID: 412296)
0.79 ct Emerald
7 x 5.1 mm
$ 316.00
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ID: 2786821 pcs
thumb image of 0.7ct Oval Facet Golden Green Demantoid Garnet (ID: 278682)
0.67 ct Demantoid Garnet
6 x 4.1 mm
$ 167.50
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ID: 3892461 pcs
thumb image of 0.9ct Oval Facet Yellowish Green Kornerupine (ID: 389246)
0.89 ct Kornerupine
7.6 x 5.7 mm
$ 77.39
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ID: 3145991 pcs
thumb image of 1ct Marquise Facet Multicolor Opal (ID: 314599)
0.98 ct Opal
12.3 x 6.6 mm
$ 39.20
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ID: 4550651 pcs
thumb image of 0.8ct Pear Facet Sky Blue Topaz (ID: 455065)
0.83 ct Topaz
7.3 x 5.3 mm
$ 5.81
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ID: 4446161 pcs
thumb image of 0.6ct Heart Facet Blue Sapphire (ID: 444616)
0.59 ct Sapphire
5.1 x 5.3 mm
$ 71.13
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ID: 4455651 pcs
thumb image of 0.5ct Diamond-Cut White Sapphire (ID: 445565)
0.51 ct Sapphire
4.5 mm
$ 61.40
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ID: 2400711 pcs
thumb image of 1ct Cushion-Cut Violet Blue Tanzanite (ID: 240071)
0.99 ct Tanzanite
6.9 x 4.7 mm
$ 285.86
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ID: 4369171 pcs
thumb image of 0.5ct Round Facet Green/Pink Color-Change Diaspore (ID: 436917)
0.51 ct Color-Change Diaspore
5.4 mm
$ 8.44
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ID: 4405601 pcs
thumb image of 0.7ct Oval Facet Purple Spinel (ID: 440560)
0.70 ct Spinel
5.8 x 4.4 mm
$ 38.50
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ID: 4396811 pcs
thumb image of 0.9ct Octagon Facet Green/Pink Color-Change Diaspore (ID: 439681)
0.87 ct Color-Change Diaspore
5.7 x 5.5 mm
$ 24.36
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ID: 4245911 pcs
thumb image of 0.6ct Oval Facet Green/Pink Color-Change Diaspore (ID: 424591)
0.64 ct Color-Change Diaspore
5.4 x 4.8 mm
$ 19.20
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ID: 4534011 pcs
thumb image of 0.7ct Round Facet Yellow Orange Sapphire (ID: 453401)
0.70 ct Sapphire
5 mm
$ 40.89
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0.5 - 1 Carat Gems
Buy beautiful natural gems by price from 0.5 to 1 carat. Browse the largest selection of natural colored gemstones by size, including rare and hard to find gem types such as green tsavorite garnet and blue kyanite. Also available are popular gem types including white diamond, blue sapphire, pink sapphire and red ruby. Half to 1 carat gemstones are perfect for accent stones or side stones in rings or other jewelry items. 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 'sapphire' to see all of our sapphire gems between 0.5 to 1 carat. Select 'blue' to see all of our blue gems. 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