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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

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
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4.07ctw Red Pyrope Garnet, Marquise, VVS-VS

12.1 x 6 mm

$ 35.67

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3.89ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6 mm

$ 21.31

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2.35ct Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 5.20

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4.96ctw Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 10.96

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1.84ct Red Pyrope Garnet, Marquise, VS

11.9 x 6.1 mm

$ 16.13

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1.94ct Violet Amethyst, Marquise, VS

12 x 6 mm

$ 12.75

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2.57ct Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 5.69

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3.20ctw Red Pyrope Garnet, Marquise, VVS

12 x 5.9 mm

$ 28.05

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4.73ctw Blue Topaz, Marquise, VVS-VS

11.9 x 6.1 mm

$ 25.91

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1.57ct Violet Amethyst, Marquise, VS

12 x 6.1 mm

$ 10.32

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1.45ct Violet Amethyst, Marquise, VS

12 x 6 mm

$ 11.12

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3.96ctw Red Pyrope Garnet, Marquise, VVS-VS

12.1 x 6 mm

$ 34.71

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2.29ct Brown Tiger'S Eye, Marquise, Opaque

12 x 6 mm (calibrated)

$ 2.97

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3.81ctw Red Pyrope Garnet, Marquise, VVS

12 x 6.1 mm

$ 33.40

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3.74ctw Red Pyrope Garnet, Marquise, VVS-VS

12.1 x 6 mm

$ 32.78

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5.15ctw Blue Topaz, Marquise, VVS-VS

12.1 x 6.1 mm

$ 28.22

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4.71ctw Red Pyrope Garnet, Marquise, VVS-VS

12.1 x 6.2 mm

$ 41.28

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7.44ctw Red Pyrope Garnet, Marquise, VVS-VS

11.9 x 6.1 mm

$ 73.60

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4.75ctw Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 10.51

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4.13ctw Red Pyrope Garnet, Marquise, VVS

12.1 x 6.1 mm

$ 36.20

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1.32ct Violet Amethyst, Marquise, VS

11.9 x 6 mm

$ 10.12

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1.71ct Red Pyrope Garnet, Marquise, VVS-VS

11.9 x 6 mm

$ 18.79

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3.88ctw Red Pyrope Garnet, Marquise, VVS-VS

12.2 x 6.1 mm

$ 31.99

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2.24ct Red Almandine Garnet, Marquise, VVS

12 x 6 mm (calibrated)

$ 83.66

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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 -> 9 star ratings

The website was easy to use and informative of the selection of stones it has. I quickly found the right stone for me.

Posted By Guero in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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 -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate
Enlarged Gemstone Image