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 |
Cabochons |
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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 ![]()
Great experience. I can't wait to explore on the website further.
Posted By Kymmie in September, 2025
Source: Bizrate
Overall Rating -> 8 ![]()
It was a good interaction I got a good gemstone for cheap
Posted By Jon in December, 2025
Source: Bizrate
Overall Rating -> 10 ![]()
Easy process.
Posted By Crafty Seabee in March, 2026
Source: Bizrate
Overall Rating -> 8 ![]()
Good prices
Posted By TRM in October, 2025
Source: Bizrate
Overall Rating -> 10 ![]()
I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items
Posted By Desperaux in November, 2025
Source: Bizrate
Overall Rating -> 10 ![]()
Easy to use website
Posted By Mel in February, 2026
Source: Bizrate



