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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
Single
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3.96ctw Red Pyrope Garnet, Marquise, VVS-VS

11.9 x 5.9 mm

$ 43.52

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3.81ctw Red Pyrope Garnet, Marquise, VVS

12.1 x 6 mm

$ 33.40

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5.23ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6 mm

$ 51.74

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1.30ct Violet Amethyst, Marquise, VS

12 x 5.9 mm

$ 9.97

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4.97ctw Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 10.99

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7.00ctw Red Pyrope Garnet, Marquise, VVS-VS

11.7 x 5.9 mm

$ 61.35

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3.08ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6 mm

$ 26.99

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2.46ct Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 5.44

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4.00ctw Red Pyrope Garnet, Marquise, VVS-VS

12.1 x 6 mm

$ 35.06

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1.90ct Red Pyrope Garnet, Marquise, VVS-VS

12 x 5.9 mm

$ 20.88

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3.61ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6.1 mm

$ 31.64

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3.35ctw Red Pyrope Garnet, Marquise, VVS-VS

12.1 x 6 mm

$ 18.36

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1.81ct Red Almandine Garnet, Marquise, VVS

12 x 6 mm (calibrated)

$ 67.60

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4.72ctw Blue Topaz, Marquise, VVS-VS

12 x 6.1 mm

$ 25.85

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4.55ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6.1 mm

$ 39.88

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2.71ct Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 5.99

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4.96ctw Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 10.96

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2.34ct Blue Topaz, Marquise, VVS-VS

12 x 6.1 mm

$ 12.82

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2.51ct Multicolor Labradorite, Marquise, Translucent

12 x 6 mm (calibrated)

$ 5.54

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3.60ctw Red Pyrope Garnet, Marquise, VVS-VS

12.1 x 6 mm

$ 63.10

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1.54ct Violet Amethyst, Marquise, VS

12 x 6.1 mm

$ 11.81

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2.05ct Violet Amethyst, Marquise, VVS-VS

12 x 6.1 mm

$ 13.48

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1.86ct Violet Amethyst, Marquise, VS

11.6 x 5.9 mm

$ 12.23

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3.92ctw Red Pyrope Garnet, Marquise, VVS-VS

12 x 6.2 mm

$ 38.79

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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 -> 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

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

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

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate
Enlarged Gemstone Image