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Home Calibrated Gemstones Marquise Shape 12x6 mm Gems

Calibrated Marquise Cut Gemstones in Size 12x6 mm

Marquise Shape 12x6 mm Gems Weight
Marquise Shape 12x6 mm Gems Size
Marquise Shape 12x6 mm Gems Clarity
Marquise Shape 12x6 mm Gems Price
Marquise Shape 12x6 mm Gems Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue Marquise Shape 12x6 mm Gems
Brown Marquise Shape 12x6 mm Gems
Golden
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
Single
Pairs
Lots
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2.32ct Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 5.13

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4.07ctw Red Pyrope Garnet, Marquise, VVS-VS

12.1 x 6 mm

$ 35.67

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1.27ct Violet Amethyst, Marquise, VS

11.7 x 6 mm

$ 9.74

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3.12ctw Red Pyrope Garnet, Marquise, VVS-VS

11.8 x 5.9 mm

$ 34.28

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2.51ct Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 5.54

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4.18ctw Red Pyrope Garnet, Marquise, VVS-VS

11.9 x 6.1 mm

$ 36.64

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3.89ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6 mm

$ 34.10

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4.41ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6 mm (calibrated)

$ 33.82

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4.07ctw Blue Topaz, Marquise, VVS

12.1 x 6.2 mm

$ 22.30

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2.09ct Blue Topaz, Marquise, VVS-VS

12.1 x 6 mm

$ 11.45

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3.61ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6.1 mm

$ 31.64

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4.77ctw Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 10.55

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1.58ct Violet Amethyst, Marquise, VS

11.9 x 6 mm

$ 10.39

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2.37ct Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 5.24

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2.22ct Red Almandine Garnet, Marquise, VVS

12 x 6 mm (calibrated)

$ 82.92

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2.00ct Red Almandine Garnet, Marquise, VVS

12 x 6 mm (calibrated)

$ 74.70

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2.36ct Blue Topaz, Marquise, VVS-VS

12.1 x 6.1 mm

$ 12.93

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3.15ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6 mm

$ 31.16

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4.73ctw Blue Topaz, Marquise, VVS-VS

11.9 x 6.1 mm

$ 25.91

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4.03ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 5.9 mm

$ 35.32

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4.55ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6 mm

$ 39.88

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4.58ctw Red Pyrope Garnet, Marquise, VVS

12 x 6.1 mm

$ 40.14

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4.61ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6.1 mm

$ 40.40

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3.52ctw Red Pyrope Garnet, Marquise, VVS-VS

11.9 x 5.9 mm

$ 30.86

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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 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent options

Posted By CJ in February, 2026
Source: Bizrate

Overall Rating -> 7 star ratings

Easy, quick.

Posted By Mich in June, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate
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