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Gemtypes in Category:
Agate (1)
Amethyst (1)
Ametrine (3)
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Black Opal (3)
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Cat's Eye Opal (2)
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ID:
688387
Weight:
9.15ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
10.98
Item in Stock
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ID:
650210
Weight:
9.78ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
6.92
Item in Stock
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ID:
328621
Weight:
21.17ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
33.53
Item in Stock
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ID:
686037
Weight:
11.14ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
13.37
Item in Stock
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ID:
649870
Weight:
10.26ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.26
Item in Stock
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ID:
473836
Weight:
10.16ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
26.82
Item in Stock
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ID:
623083
Weight:
8.96ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
41.87
Item in Stock
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ID:
473414
Weight:
11.50ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
30.36
Item in Stock
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ID:
382690
Weight:
12.58ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.22
Item in Stock
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ID:
619131
Weight:
15.65ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
41.32
Item in Stock
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ID:
328625
Weight:
20.08ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
31.81
Item in Stock
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ID:
710759
Weight:
13.36ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
35.59
Item in Stock
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ID:
619129
Weight:
16.55ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
43.69
Item in Stock
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ID:
328843
Weight:
22.11ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
35.02
Item in Stock
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ID:
473833
Weight:
10.67ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
28.16
Item in Stock
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ID:
347775
Weight:
12.69ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
67.01
Item in Stock
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ID:
473422
Weight:
11.45ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
27.48
Item in Stock
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ID:
650029
Weight:
11.25ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.97
Item in Stock
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ID:
370761
Weight:
18.63ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
24.59
Item in Stock
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ID:
472335
Weight:
13.38ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
123.64
Item in Stock
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ID:
334243
Weight:
17.04ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
27.44
Item in Stock
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ID:
370764
Weight:
22.45ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
29.64
Item in Stock
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ID:
577338
Weight:
10.33ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
79.63
Item in Stock
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ID:
685121
Weight:
16.90ct
Size:
18 x 13 mm (calibrated)
Clarity:
VVS-VS
Price:
$
141.96
Item in Stock
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ID:
334300
Weight:
15.59ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
25.10
Item in Stock
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ID:
334289
Weight:
17.61ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
28.36
Item in Stock
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ID:
650387
Weight:
10.65ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.54
Item in Stock
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ID:
523838
Weight:
10.20ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
80.78
Item in Stock
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ID:
521646
Weight:
10.11ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
80.08
Item in Stock
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ID:
673981
Weight:
12.29ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
176.82
Item in Stock
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ID:
332926
Weight:
18.91ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
29.95
Item in Stock
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ID:
744766
Weight:
12.06ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
24.12
Item in Stock
More Options & Item Details
ID:
688272
Weight:
11.06ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.62
Item in Stock
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ID:
314188
Weight:
16.02ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
25.37
Item in Stock
More Options & Item Details
ID:
711999
Weight:
11.54ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
30.74
Item in Stock
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ID:
712330
Weight:
12.94ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
34.48
Item in Stock
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ID:
438292
Weight:
26.13ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
103.48
Item in Stock
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ID:
649876
Weight:
9.56ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
6.77
Item in Stock
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ID:
462196
Weight:
9.66ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
466.69
Item in Stock
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ID:
650061
Weight:
9.00ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
6.37
Item in Stock
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ID:
332932
Weight:
19.98ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
31.66
Item in Stock
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ID:
650211
Weight:
10.52ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
7.45
Item in Stock
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ID:
650119
Weight:
9.52ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
6.74
Item in Stock
More Options & Item Details
ID:
743386
Weight:
12.70ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
12.70
Item in Stock
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ID:
382832
Weight:
18.41ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.13
Item in Stock
More Options & Item Details
ID:
619139
Weight:
16.40ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
43.30
Item in Stock
More Options & Item Details
ID:
504842
Weight:
11.22ct
Size:
18 x 13 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
103.67
Item in Stock
More Options & Item Details
ID:
328626
Weight:
19.84ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent/Translucent
Content:
1 pc
Price:
$
31.43
Item in Stock
More Options & Item Details
ID:
332929
Weight:
19.49ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
30.88
Item in Stock
More Options & Item Details
ID:
673304
Weight:
12.12ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Price:
$
29.09
Item in Stock
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ID:
650498
Weight:
9.58ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
6.78
Item in Stock
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ID:
332930
Weight:
18.98ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
30.07
Item in Stock
More Options & Item Details
ID:
675194
Weight:
10.37ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
27.53
Item in Stock
More Options & Item Details
ID:
650064
Weight:
9.28ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
6.58
Item in Stock
More Options & Item Details
ID:
371715
Weight:
18.62ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
98.32
Item in Stock
More Options & Item Details
ID:
619999
Weight:
15.66ct (total)
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
41.34
Item in Stock
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ID:
504865
Weight:
10.57ct
Size:
18 x 13 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
97.67
Item in Stock
More Options & Item Details
ID:
334290
Weight:
18.58ct
Size:
18 x 13 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
29.93
Item in Stock
More Options & Item Details
ID:
347722
Weight:
10.68ct
Size:
18 x 13 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
56.39
Item in Stock
More Options & Item Details
ID:
566213
Weight:
8.55ct
Size:
18 x 13 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
33.86
Item in Stock
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Why Buy Oval Shape 18x13 Mm Gems from GemSelect?
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 8
I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.
Posted By Atsu in December, 2025
Source: Bizrate
Overall Rating -> 10
Great for buying gemstones, came with authenticity certs. Will buy again someday!
Posted By Uggadugga in May, 2025
Source: Bizrate
Overall Rating -> 8
everything was fine
Posted By Marc in January, 2025
Source: Bizrate
Overall Rating -> 10
Very large selection from affordable to high end I will be coming back to shop again!
Posted By GreenGator in August, 2025
Source: Bizrate
Overall Rating -> 10
I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well
Posted By Marti in July, 2025
Source: Bizrate
Overall Rating -> 10
Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones
Posted By Edsor works in October, 2025
Source: Bizrate