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ID: 4582121 pcs
thumb image of 70.8ct Oval Concave Cut Lemon Quartz (ID: 458212)
70.83 ct Quartz
29 x 21.6 mm
$ 175.66
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ID: 4581731 pcs
thumb image of 70.7ct Oval Concave Cut Lemon Quartz (ID: 458173)
70.69 ct Quartz
27.1 x 25 mm
$ 175.31
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ID: 4581721 pcs
thumb image of 66ct Oval Concave Cut Lemon Quartz (ID: 458172)
66.04 ct Quartz
30.6 x 23.8 mm
$ 163.78
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ID: 4581741 pcs
thumb image of 64.4ct Oval Concave Cut Lemon Quartz (ID: 458174)
64.36 ct Quartz
28.5 x 23.5 mm
$ 159.61
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ID: 4582081 pcs
thumb image of 63.6ct Oval Concave Cut Lemon Quartz (ID: 458208)
63.61 ct Quartz
30.8 x 23.2 mm
$ 157.75
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ID: 4581811 pcs
thumb image of 62ct Oval Concave Cut Lemon Quartz (ID: 458181)
61.96 ct Quartz
30.7 x 23.8 mm
$ 153.66
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ID: 4582111 pcs
thumb image of 59.3ct Cushion Concave Cut Lemon Quartz (ID: 458211)
59.34 ct Quartz
28.5 x 19.4 mm
$ 147.16
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ID: 4581761 pcs
thumb image of 59.1ct Oval Concave Cut Lemon Quartz (ID: 458176)
59.05 ct Quartz
29.4 x 22.3 mm
$ 146.44
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ID: 4582101 pcs
thumb image of 58ct Oval Concave Cut Lemon Quartz (ID: 458210)
57.99 ct Quartz
28.9 x 22.6 mm
$ 143.82
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ID: 4582091 pcs
thumb image of 55.7ct Oval Concave Cut Lemon Quartz (ID: 458209)
55.66 ct Quartz
27.4 x 23.8 mm
$ 138.04
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ID: 4581751 pcs
thumb image of 42.1ct Pear Concave Cut Lemon Quartz (ID: 458175)
42.05 ct Quartz
28.5 x 20 mm
$ 104.28
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ID: 4582171 pcs
thumb image of 41.7ct Oval Concave Cut Lemon Quartz (ID: 458217)
41.70 ct Quartz
25.3 x 19.8 mm
$ 103.42
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ID: 4571971 pcs
thumb image of 5.3ct Oval Concave Cut Yellow Golden Citrine (ID: 457197)
5.33 ct Citrine
12.3 x 10 mm
$ 31.50
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ID: 4582151 pcs
thumb image of 38.3ct Oval Concave Cut Lemon Quartz (ID: 458215)
38.26 ct Quartz
22.6 x 20.3 mm
$ 94.88
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ID: 4582161 pcs
thumb image of 37.9ct Oval Concave Cut Lemon Quartz (ID: 458216)
37.93 ct Quartz
23.2 x 19.8 mm
$ 94.07
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ID: 4582141 pcs
thumb image of 37.1ct Oval Concave Cut Lemon Quartz (ID: 458214)
37.08 ct Quartz
26.8 x 18.3 mm
$ 91.96
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ID: 4582181 pcs
thumb image of 37.1ct Round Concave Cut Lemon Quartz (ID: 458218)
37.06 ct Quartz
21.6 mm
$ 91.91
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ID: 4582131 pcs
thumb image of 33.8ct Oval Concave Cut Lemon Quartz (ID: 458213)
33.78 ct Quartz
23.8 x 17.4 mm
$ 83.77
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ID: 4581791 pcs
thumb image of 41.6ct Oval Concave Cut Lemon Quartz (ID: 458179)
41.57 ct Quartz
25.2 x 21.1 mm
$ 103.09
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ID: 4568901 pcs
thumb image of 7.9ct Oval Concave Cut Yellow Golden Citrine (ID: 456890)
7.91 ct Citrine
14.1 x 11.9 mm
$ 71.19
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ID: 4571991 pcs
thumb image of 10.6ct Oval Concave Cut Yellow Golden Citrine (ID: 457199)
10.60 ct Citrine
15.1 x 12.9 mm
$ 62.65
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Concave Cuts
Concave cutting involves cutting facets that are three dimensional (curved). The technology to cut concave facets was developed by the American inventor Douglas Hoffman around 1990. It allows conical-shaped, three dimensional facets to be cut, so that each facet has depth as well as length and breadth. The result is that more of the ambient light is refracted and returned to the eye in the form of brilliance.

In order to find the concave-cut gems that you require, filter the results further by using the left-hand menu. You can buy concave-cut gems by gem type, color and shape. By using the top menu, you can search by carat weight, size, price, origin and other factors, to enable you to find the exact concave-cut gems that you are looking for. All items are in stock and ready to be shipped.
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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