Calibrated Marquise Cut Gemstones in Size 12x6 mm
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Bi-color
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Black
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Blue Marquise Shape 12x6 mm Gems
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Brown Marquise Shape 12x6 mm Gems
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Golden
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Gray
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Green
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Multicolor Marquise Shape 12x6 mm Gems
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Orange
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Pink
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Purple
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Red Marquise Shape 12x6 mm Gems
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Turquoise
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Violet Marquise Shape 12x6 mm Gems
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White Marquise Shape 12x6 mm Gems
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Yellow Marquise Shape 12x6 mm Gems
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Single |
Pairs |
Lots |
Faceted |
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Why Buy Marquise Shape 12x6 Mm Gems from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 ![]()
I liked the selection of gems, and price. I did not like your PayPal process. I already have a PP account and you want me to sign up for another.
Posted By CLTCJH in May, 2026
Source: Bizrate
Overall Rating -> 10 ![]()
Great site for finding specific stones and sizes for individual pieces of jewelry
Posted By Designer in December, 2025
Source: Bizrate
Overall Rating -> 10 ![]()
Good, hope gem quality is good and genuine
Posted By Varun in May, 2026
Source: Bizrate
Overall Rating -> 9 ![]()
Fast and reliable service.
Posted By Zæck in December, 2025
Source: Bizrate
Overall Rating -> 9 ![]()
I think therea's no problem
Posted By Napoleon in August, 2025
Source: Bizrate
Overall Rating -> 9 ![]()
It was great!
Posted By Annie in September, 2025
Source: Bizrate



