Jewelry New Arrivals Pairs Lots Contact
 
: 12 Carat Gems
Shop By

Single

Pairs

Lots

Faceted

Cab

Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (590): 12 Carat Gems Clear All
Sort By:
Compare
ID: 3286081 pcs
thumb image of 11.8ct Carved Rose with Half Drilled Hole Gold Brown Tiger's Eye (ID: 328608)
11.77 ct Tiger's Eye
15.1 x 14.7 mm
$ 14.12
Quantity
Item in Stock
Compare
ID: 3844801 pcs
thumb image of 12.6ct Oval Cabochon Lavender Jadeite (ID: 384480)
12.61 ct Jadeite
19.9 x 12.4 mm
$ 88.27
Quantity
Item in Stock
Compare
ID: 4645551 pcs
thumb image of 12.1ct Fancy Cabochon Blue Turquoise (ID: 464555)
12.09 ct Turquoise
15.4 x 11.8 mm
$ 24.18
Quantity
Item in Stock
Compare
ID: 3285981 pcs
thumb image of 12.3ct Carved Rose with Half Drilled Hole Gold Brown Tiger's Eye (ID: 328598)
12.31 ct Tiger's Eye
15.1 x 13.5 mm
$ 14.77
Quantity
Item in Stock
Compare
ID: 4521501 pcs
thumb image of 12.3ct Oval Cabochon Violet Charoite (ID: 452150)
12.25 ct Charoite
21.7 x 16 mm
$ 18.38
Quantity
Item in Stock
Compare
ID: 4587991 pcs
thumb image of 12ct Oval Cabochon Light Blue Aquamarine (ID: 458799)
12.03 ct Aquamarine
18.6 x 14.8 mm
$ 96.24
Quantity
Item in Stock
Compare
Show VideoVIDEO
ID: 4164631 pcs
thumb image of 12.3ct Oval Facet Golden Green Tourmaline (ID: 416463)
12.25 ct Tourmaline
15.7 x 12.8 mm
$ 2450.00
Quantity
Item in Stock
Compare
ID: 3774681 pcs
thumb image of 12.4ct Shark Fin Cabochon Multicolor Ammolite (ID: 377468)
12.43 ct Ammolite
25 x 13.5 mm
$ 469.11
Quantity
Item in Stock
Compare
ID: 4473241 pcs
thumb image of 12.4ct Cushion Cabochon Multicolor Dendritic Chalcedony (ID: 447324)
12.42 ct Dendritic Chalcedony
18.3 x 13.1 mm
$ 18.63
Quantity
Item in Stock
Compare
ID: 3713631 pcs
thumb image of 12.1ct Oval Cabochon Multicolor Jasper (ID: 371363)
12.07 ct Jasper
16 x 12.2 mm
$ 12.07
Quantity
Item in Stock
Compare
ID: 4503721 pcs
thumb image of 11.9ct Baguette / Scissor Cut Light Blue Aquamarine (ID: 450372)
11.89 ct Aquamarine
16.8 x 9.9 mm
$ 2972.50
Quantity
Item in Stock
Compare
ID: 3774361 pcs
thumb image of 12.8ct Fancy Cabochon Multicolor Ammolite (ID: 377436)
12.79 ct Ammolite
28.3 x 11.6 mm
$ 482.69
Quantity
Item in Stock
Compare
ID: 3434641 pcs
thumb image of 12.1ct Carved Rose with Hole Gold Brown Tiger's Eye (ID: 343464)
12.09 ct Tiger's Eye
16.3 x 16.2 mm
$ 14.51
Quantity
Item in Stock
Compare
ID: 3707501 pcs
thumb image of 12.3ct Oval Cabochon Multicolor Jasper (ID: 370750)
12.26 ct Jasper
19.7 x 14.5 mm
$ 12.26
Quantity
Item in Stock
Compare
ID: 3626301 pcs
thumb image of 12.1ct Pear Cabochon Gold Sheen Obsidian (ID: 362630)
12.11 ct Obsidian
25 x 11.8 mm
$ 12.11
Quantity
Item in Stock
Compare
ID: 3949741 pcs
thumb image of 11.8ct Asscher Cut Lemon Quartz (ID: 394974)
11.80 ct Quartz
15.5 x 15.2 mm
$ 59.00
Quantity
Item in Stock
Compare
ID: 3841511 pcs
thumb image of 12.2ct Oval Cabochon Lavender Jadeite (ID: 384151)
12.21 ct Jadeite
17 x 13.1 mm
$ 85.47
Quantity
Item in Stock
Compare
ID: 3285991 pcs
thumb image of 12ct Carved Rose with Half Drilled Hole Gold Brown Tiger's Eye (ID: 328599)
11.96 ct Tiger's Eye
15.1 x 14.3 mm
$ 14.35
Quantity
Item in Stock
Compare
ID: 3335701 pcs
thumb image of 12.4ct Spherical Golden Pearl (ID: 333570)
12.37 ct Pearl
12.1 mm
$ 252.60
Quantity
Item in Stock
Compare
ID: 3829481 pcs
thumb image of 11.5ct Oval Cabochon Lavender Jadeite (ID: 382948)
11.54 ct Jadeite
19.8 x 13.1 mm
$ 80.78
Quantity
Item in Stock
Compare
Show VideoVIDEO
ID: 4334761 pcs
thumb image of 12.1ct Oval Facet Light Green Blue Aquamarine (ID: 433476)
12.05 ct Aquamarine
15.7 x 14.6 mm
$ 1618.07
Quantity
Item in Stock
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
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.
English speaking customer support only

Toll Free - USA & Canada only:
1-800-464-1640

International:
+66-39303404

Reorder Items

Save Money
No shipping Fees for Additional Items!
$6.99 Worldwide Shipping

GemSelect Gemstones
X Close Window
Colored Gemstones
X Close Window
Colored Gemstones
X Close Window
Colored Gemstones
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