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ID: 4434671 pcs
thumb image of 13ct Shield Colorless Golden Rutile Quartz (ID: 443467)
12.98 ct Rutile Quartz
24.6 x 9.9 mm
$ 58.15
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ID: 3953371 pcs
thumb image of 12.8ct Asscher Cut Pink Rose Quartz (ID: 395337)
12.80 ct Rose Quartz
14.4 x 14.2 mm
$ 64.00
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ID: 4184251 pcs
thumb image of 12.4ct Carved Fruit Green Prehnite (ID: 418425)
12.43 ct Prehnite
18.5 x 12.1 mm
$ 18.64
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ID: 3358441 pcs
thumb image of 12.6ct Spherical Golden Pearl (ID: 335844)
12.56 ct Pearl
12.2 mm
$ 188.40
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ID: 3704501 pcs
thumb image of 12.2ct Oval Cabochon Multicolor Jasper (ID: 370450)
12.17 ct Jasper
20.1 x 15.1 mm
$ 18.26
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ID: 3948331 pcs
thumb image of 12.2ct Asscher Cut White Quartz (ID: 394833)
12.22 ct Quartz
15.2 x 15.1 mm
$ 36.66
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ID: 4434641 pcs
thumb image of 12.7ct Shield Checkboard Colorless Golden Rutile Quartz (ID: 443464)
12.70 ct Rutile Quartz
23.2 x 17.2 mm
$ 56.90
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ID: 4357051 pcs
thumb image of 11.7ct Round Cabochon Colorless Golden Rutile Quartz (ID: 435705)
11.66 ct Rutile Quartz
14.2 mm
$ 28.92
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ID: 4515961 pcs
thumb image of 12.8ct Marquise Cabochon Yellowish Green Serpentine (ID: 451596)
12.80 ct Serpentine
31.7 x 13.5 mm
$ 12.80
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ID: 4069901 pcs
thumb image of 12ct Round Cabochon Green Maw-Sit-Sit (ID: 406990)
12.01 ct Maw-Sit-Sit
13.7 mm
$ 33.87
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ID: 3985411 pcs
thumb image of 13ct Pear Cabochon Multicolor Jasper (ID: 398541)
12.97 ct Jasper
32.4 x 12.7 mm
$ 19.46
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ID: 4168541 pcs
thumb image of 12.8ct Oval Cabochon Smoke Star Moonstone (ID: 416854)
12.76 ct Star Moonstone
15.9 x 9.9 mm
$ 51.04
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ID: 4144191 pcs
thumb image of 11.6ct Oval Cabochon Light Blue Aquamarine (ID: 414419)
11.55 ct Aquamarine
16.6 x 12.6 mm
$ 92.40
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ID: 3828561 pcs
thumb image of 12.6ct Oval Cabochon Lavender Jadeite (ID: 382856)
12.56 ct Jadeite
19.2 x 12.3 mm
$ 87.92
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ID: 4085291 pcs
thumb image of 11.9ct Diamond-Cut White Quartz (ID: 408529)
11.89 ct Quartz
15.1 mm
$ 18.43
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ID: 3073951 pcs
thumb image of 11.6ct Pear Cabochon Colorless Golden Rutile Quartz (ID: 307395)
11.55 ct Rutile Quartz
20.4 x 12.7 mm
$ 40.43
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ID: 3707071 pcs
thumb image of 12.8ct Baguette Cabochon Multicolor Green Malachite (ID: 370707)
12.79 ct Malachite
12.4 x 11 mm
$ 13.94
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ID: 4336431 pcs
thumb image of 12.1ct Fancy Crystal Cluster Blue Druzy Azurite (ID: 433643)
12.05 ct Druzy Azurite
17 x 13.8 mm
$ 60.25
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ID: 3656111 pcs
thumb image of 12.5ct Oval Cabochon Multicolor Jasper (ID: 365611)
12.46 ct Jasper
20 x 15.1 mm
$ 18.69
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ID: 3703131 pcs
thumb image of 12.7ct Oval Cabochon Multicolor Jasper (ID: 370313)
12.72 ct Jasper
20.1 x 15.1 mm
$ 30.66
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ID: 3704321 pcs
thumb image of 12.9ct Oval Cabochon Multicolor Jasper (ID: 370432)
12.87 ct Jasper
19.9 x 15 mm
$ 19.30
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12 Carat Gems
Buy gems by price. Select the best 12 carat gems from a wide array of colored stones, including rare gem types such as scapolite, black opal and pietersite. Also available are beautiful and popular faceted gems, including tanzanite, zircon and tourmaline. Large 12 carat gems make perfect statement stones, whether they are worn as a necklace pendant, ring or another jewelry design. Browse the largest selection of natural loose colored gemstones available in 12 carats. 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 'jadeite' to see all of our 12 carat jadeite gems. Select 'green' to shop for 12 carat green 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