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Buy 15 Carat Gems

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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (575): 15 Carat Gems Clear All
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Brown Smoky Quartz Gem - 15.5ct Oval Checkerboard (double sided) (ID: 416880)

Oval Brown Smoky Quartz

15.5ct
20 x 14.9 mm
$ 23.24
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Lavender Blue Chalcedony Gem - 15.2ct Carved Flower (ID: 485427)

Flower Cut Blue Chalcedony

15.2ct
19.8 x 19.7 mm
$ 45.63
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Yellowish Brown Cat's Eye Apatite Gem - 15.4ct Oval Cabochon (ID: 413959)

Oval Brown Cat's Eye Apatite

15.4ct
16.5 x 13.8 mm
$ 154.30
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2 pcs
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Multicolor Agate Geode Gem - 14.5ct Fancy Crystal Cluster (ID: 446968)

Fancy Multicolor Agate Geode

14.53 ct (total 29.06ctw)
21.9 x 18.6 mm
$ 72.65
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Green Serpentine Gem - 15.9ct Pear Cabochon (ID: 403115)

Pear Green Serpentine

15.9ct
23.9 x 14.5 mm
$ 12.70
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2 pcs
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Multicolor Fossil Coral Gem - 14.8ct Pear Cabochon (ID: 455520)

Pear Multicolor Fossil Coral

14.83 ct (total 29.65ctw)
22.8 x 14.4 mm
$ 29.65
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Brown Smoky Quartz Gem - 14.7ct Oval Checkerboard (double sided) (ID: 416939)

Oval Brown Smoky Quartz

14.7ct
20 x 15 mm
$ 22.11
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Multicolor Ammolite Gem - 15.3ct Fancy Cabochon (ID: 451521)

Fancy Multicolor Ammolite

15.3ct
19.3 x 17 mm
$ 153.00
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Brown Smoky Quartz Gem - 15ct Octagon / Scissor Cut (ID: 408037)

Octagon / Emerald Cut Brown Smoky Quartz

15ct
15.1 x 15.1 mm
$ 26.81
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2 pcs
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Multicolor Rhodochrosite Gem - 15.2ct Pear Cabochon (ID: 503365)

Pear Multicolor Rhodochrosite

15.21 ct (total 30.41ctw)
22.2 x 13.7 mm
$ 22.81
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Multicolor Spectrolite Gem - 15.8ct Pear Cabochon (ID: 494247)

Pear Multicolor Spectrolite

15.8ct
31.8 x 12.3 mm
$ 61.74
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Yellow Golden Citrine Gem - 15.5ct Oval Facet (ID: 446301)

Oval Yellow Citrine

15.5ct
16.5 x 13.2 mm
$ 93.18
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Pink Kunzite Gem - 15.7ct Pear Facet (ID: 451453)

Pear Pink Kunzite

15.7ct
20.4 x 11.4 mm
$ 313.60
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2 pcs
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Multicolor Agate Geode Gem - 14.7ct Fancy Crystal Cluster (ID: 450056)

Fancy Multicolor Agate Geode

14.70 ct (total 29.40ctw)
20.5 x 17.5 mm
$ 73.21
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Multicolor Opal Gem - 15.7ct Oval Cabochon (ID: 462134)

Oval Multicolor Opal

15.7ct
19.5 x 17.1 mm
$ 632.89
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Pinkish Red Ruby Gem - 15.2ct Oval Facet (ID: 494688)

Oval Red Ruby

15.2ct
15 x 12.8 mm
$ 484.80
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Violet to Blue Color-Change Fluorite Gem - 15.3ct Round Facet (ID: 413685)

Round Multicolor Color-Change Fluorite

15.3ct
15 mm
$ 382.25
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Multicolor Opal Gem - 15.4ct Pear Cabochon (ID: 462133)

Pear Multicolor Opal

15.4ct
22.8 x 17.9 mm
$ 619.60
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Blue Lapis Lazuli Gem - 14.8ct Oval Cabochon (ID: 503300)

Oval Blue Lapis Lazuli

14.8ct
16 x 12.1 mm
$ 23.75
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Orange Spessartite Garnet Gem - 15.5ct Oval Facet (ID: 486941)

Oval Orange Spessartite Garnet

15.5ct
15.3 x 12.9 mm
$ 621.20
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2 pcs
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Multicolor Fossil Coral Gem - 15ct Oval Cabochon (ID: 474613)

Oval Multicolor Fossil Coral

15.02 ct (total 30.03ctw)
23.8 x 14 mm
$ 54.05
Item in Stock
15 Carat Gems
Buy gems by weight. Shop from our extensive range of beautiful, natural 15-carat gems. Browse the largest selection of natural loose colored gemstones available in 15 carats. Our large gemstone selection includes many popular gem types, such as amethyst, citrine, topaz 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 'tourmaline' to see all of our 15-carat tourmaline gems. Select 'multicolor' to shop for 15-carat multicolor gems. You can also filter by single, pairs, lots, faceted gems or cabochons by using the check boxes at the top.
Certified Customer Reviews
Overall Rating -> 10 star ratings
I would recommend GEMSELECT based upon the variety of gems. Gems that i didn't expect to even be apart of the selection and it gave me more options. Options in which played a key role in finding the right gem. Its always good to have options especially when trying to formulate a good piece of art work that has uniqueness. Which ultimately captures costumers eye appeal.
Posted By Left.Right.Center in February, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
I found a beautiful rose quartz stone in the right size for the right price.
Posted By Calico9999 in February, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
Gemselect is o.k the prices are pretty good, but the shipping prices really suck, one time I order from them and order got lost or never came, but they were good about fixing the problem and rectifying the situation, the stones and good, and the ones that come in the mail, look just as pictured on the website, or all it's not bad and its were I go to get my stones.
Posted By Spinach in February, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
Perfect experience. Pictures were accurate, selection was easy to maneuver. Product arrived as ordered.
Posted By Jess in February, 2019
Source: Bizrate
Overall Rating -> 9 star ratings
Easy to shop through gemselect and will look there for future purchases.
Posted By Childcapo in February, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
good value
Posted By Don in February, 2019
Source: Bizrate
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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