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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

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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
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4.51ctw Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 9.97

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3.93ctw Red Pyrope Garnet, Marquise, VVS-VS

12.2 x 6.1 mm

$ 34.45

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3.83ctw Red Pyrope Garnet, Marquise, VS

12.1 x 6 mm

$ 33.57

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4.36ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6.1 mm

$ 38.21

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4.31ctw Red Pyrope Garnet, Marquise, VVS

12 x 6.1 mm

$ 37.78

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4.09ctw Red Pyrope Garnet, Marquise, VVS

12 x 5.8 mm

$ 35.85

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2.51ct Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 5.54

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1.77ct Violet Amethyst, Marquise, VS

12 x 6.1 mm

$ 11.64

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3.01ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6.2 mm

$ 33.08

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3.77ctw Red Pyrope Garnet, Marquise, VVS-VS

12.1 x 6 mm

$ 20.66

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1.42ct Multicolor Opal, Marquise, Translucent

11.9 x 5.9 mm

$ 49.50

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1.48ct Violet Amethyst, Marquise, VS

12 x 5.9 mm

$ 9.73

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1.69ct Violet Amethyst, Marquise, VS

12 x 6 mm

$ 12.96

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1.39ct Violet Amethyst, Marquise, VS

12.1 x 5.8 mm

$ 9.69

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3.60ctw Red Pyrope Garnet, Marquise, VVS-VS

12.2 x 6 mm

$ 63.10

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1.70ct Violet Amethyst, Marquise, VS

12 x 6 mm

$ 11.17

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1.62ct Violet Amethyst, Marquise, VS

11.9 x 6 mm

$ 12.42

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1.84ct Red Pyrope Garnet, Marquise, VVS-VS

11.8 x 6 mm

$ 18.21

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3.85ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6 mm

$ 33.75

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4.33ctw Red Pyrope Garnet, Marquise, VVS-VS

11.8 x 6 mm

$ 37.95

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3.55ctw Red Pyrope Garnet, Marquise, VVS-VS

11.9 x 6 mm

$ 39.01

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2.13ct Red Almandine Garnet, Marquise, VVS

12 x 6 mm (calibrated)

$ 79.56

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2.38ct Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 5.26

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3.70ctw Red Pyrope Garnet, Marquise, VVS-VS

12.1 x 6.1 mm

$ 32.43

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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

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate
Enlarged Gemstone Image