Buy Marquise Shape 12x6 mm Gems
Bi-color
Black
Blue Marquise Shape 12x6 mm Gems
Brown Marquise Shape 12x6 mm Gems
Golden Marquise Shape 12x6 mm Gems
Gray
Green
Multicolor Marquise Shape 12x6 mm Gems
Orange
Pink
Purple
Red Marquise Shape 12x6 mm Gems
Turquoise
Violet Marquise Shape 12x6 mm Gems
White Marquise Shape 12x6 mm Gems
Yellow Marquise Shape 12x6 mm Gems
Clear Colors
Single
Pairs
Lots
Faceted
Cabochons
Showing results for
Sort By:
Price - High to Low
Price - Low to High
Size - Largest to Smallest
Size - Smallest to Largest
Weight - High to Low
Weight - Low to High
Gemtypes in Category:
Almandine Garnet (31)
Amethyst (73)
Labradorite (57)
Opal (4)
Pyrope Garnet (174)
Rutile Quartz (1)
Sapphire (1)
Tiger's Eye (5)
Topaz (51)
Clear All
ID:
436670
Weight:
2.35ct
Size:
12 x 6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
7.63
Item in Stock
More Options & Item Details
ID:
744646
Weight:
1.88ct
Size:
12 x 6 mm
Clarity:
VVS
Content:
1 pc
Price:
$
84.60
Item in Stock
More Options & Item Details
ID:
710777
Weight:
2.24ct
Size:
12 x 6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
5.96
Item in Stock
More Options & Item Details
ID:
465845
Weight:
4.04ct (total)
Size:
11.8 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
42.66
Item in Stock
More Options & Item Details
ID:
743345
Weight:
1.73ct
Size:
12 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
77.85
Item in Stock
More Options & Item Details
ID:
499599
Weight:
1.82ct
Size:
12.1 x 6 mm
Clarity:
VS
Price:
$
16.81
Item in Stock
More Options & Item Details
ID:
712429
Weight:
4.76ct (total)
Size:
12 x 6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
12.68
Item in Stock
More Options & Item Details
ID:
573139
Weight:
4.13ct (total)
Size:
12.1 x 6.1 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
43.61
Item in Stock
More Options & Item Details
ID:
462033
Weight:
3.64ct (total)
Size:
11.9 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
43.39
Item in Stock
More Options & Item Details
ID:
493848
Weight:
1.36ct
Size:
11.8 x 5.9 mm
Clarity:
VS
Price:
$
10.78
Item in Stock
More Options & Item Details
ID:
500928
Weight:
2.05ct
Size:
12 x 6.1 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
16.24
Item in Stock
More Options & Item Details
ID:
621032
Weight:
4.41ct (total)
Size:
12 x 6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
40.75
Item in Stock
More Options & Item Details
ID:
462000
Weight:
3.96ct (total)
Size:
12.1 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
47.21
Item in Stock
More Options & Item Details
ID:
463166
Weight:
1.71ct
Size:
11.9 x 6 mm
Clarity:
VVS-VS
Content:
1 pc
Price:
$
22.64
Item in Stock
More Options & Item Details
ID:
463289
Weight:
3.12ct (total)
Size:
11.8 x 5.9 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
41.30
Item in Stock
More Options & Item Details
ID:
620851
Weight:
3.82ct (total)
Size:
12 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
40.34
Item in Stock
More Options & Item Details
ID:
573460
Weight:
4.38ct (total)
Size:
12 x 6 mm
Clarity:
VVS
Content:
2 pcs
Price:
$
46.25
Item in Stock
More Options & Item Details
ID:
465765
Weight:
3.74ct (total)
Size:
12.1 x 6.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
35.90
Item in Stock
More Options & Item Details
ID:
742873
Weight:
2.06ct
Size:
12 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
92.70
Item in Stock
More Options & Item Details
ID:
620785
Weight:
3.92ct (total)
Size:
12.1 x 5.9 mm
Clarity:
VS
Content:
2 pcs
Price:
$
41.40
Item in Stock
More Options & Item Details
ID:
465922
Weight:
4.04ct (total)
Size:
11.9 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
42.66
Item in Stock
More Options & Item Details
ID:
432754
Weight:
3.76ct (total)
Size:
11.9 x 6.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
24.82
Item in Stock
More Options & Item Details
ID:
465850
Weight:
3.84ct (total)
Size:
12 x 5.8 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
40.55
Item in Stock
More Options & Item Details
ID:
742876
Weight:
1.83ct
Size:
12 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
82.35
Item in Stock
More Options & Item Details
ID:
620854
Weight:
4.24ct (total)
Size:
12.2 x 6.2 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
44.77
Item in Stock
More Options & Item Details
ID:
620786
Weight:
3.75ct (total)
Size:
12 x 6 mm
Clarity:
VS
Content:
2 pcs
Price:
$
39.60
Item in Stock
More Options & Item Details
ID:
463385
Weight:
2.93ct (total)
Size:
11.8 x 5.9 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
38.80
Item in Stock
More Options & Item Details
ID:
432498
Weight:
4.78ct (total)
Size:
12.2 x 6.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
31.55
Item in Stock
More Options & Item Details
ID:
492043
Weight:
3.70ct (total)
Size:
12.1 x 6.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
39.07
Item in Stock
More Options & Item Details
ID:
493858
Weight:
1.56ct
Size:
12 x 6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
12.36
Item in Stock
More Options & Item Details
ID:
589847
Weight:
3.60ct (total)
Size:
12.1 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
76.03
Item in Stock
More Options & Item Details
ID:
742849
Weight:
1.86ct
Size:
12 x 6 mm (calibrated)
Clarity:
VVS
Content:
1 pc
Price:
$
83.70
Item in Stock
More Options & Item Details
ID:
462002
Weight:
4.31ct (total)
Size:
12 x 6.1 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
51.37
Item in Stock
More Options & Item Details
ID:
654656
Weight:
3.16ct (total)
Size:
12 x 6 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
26.54
Item in Stock
More Options & Item Details
ID:
500226
Weight:
1.67ct
Size:
11.9 x 6 mm
Clarity:
VS
Price:
$
15.43
Item in Stock
More Options & Item Details
ID:
601129
Weight:
3.89ct (total)
Size:
12 x 6 mm
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
25.68
Item in Stock
More Options & Item Details
ID:
433173
Weight:
2.56ct
Size:
12.1 x 6.1 mm
Clarity:
VVS
Content:
1 pc
Price:
$
16.90
Item in Stock
More Options & Item Details
Why Buy Marquise Shape 12x6 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 -> 10
love the site, the experience and the products.
Posted By Ckingpots in July, 2025
Source: Bizrate
Overall Rating -> 9
I wish there were options for jewelry settings
Posted By Tim in May, 2025
Source: Bizrate
Overall Rating -> 10
excellent deals-excellent service-fair prices
Posted By JD in April, 2025
Source: Bizrate
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Posted By Fried Rice in August, 2025
Source: Bizrate
Overall Rating -> 10
It was good. There was a large selection at prices I could afford.
Posted By Zorah in February, 2026
Source: Bizrate
Overall Rating -> 8
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
Posted By Salvo in July, 2025
Source: Bizrate