Grading System Used
Color is the most important and complex to grade. Color is made up of three components, hue, saturation and tone. Color will be graded on a scale of 1 to 10 taking these three factors into consideration.
Clarity is graded on a scale of 1 to 10, with 10 being loop clean under a 10X loop.
Brilliance - will be a combination of Cut, Sparkle, light return, Proportion and Crystal. Graded on a scale of 1 to 5, with 5 being the best.
Total Quality Rating - Is the combined score of these 3 with a possible best score of 10
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Gem 1031 Rebellite Tourmaline$276.001.84 ct. Here's a new stone from Nigeria, cut in a round with a higher crown, almost a dome.
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Gem 368 - Rubellite Tourmaline$0.002.91 ct. This African stone makes for an interesting in gem in that one end is darker than the other.
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Gem 712 - Rubellite Tourmaline$0.003.02 ct. Another fine stone from Nigeria. This cut in a shield type design for a unique look
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Gem 664 - Pink Tourmaline$0.002.20 ct. This is a unique cut stone from Nigeria. It has a wagon wheel spoke look to it.
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Gem 677 - Pink Tourmaline$0.001.83 ct. This gemstone is from Mozambique and cut in checker type crown
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Gem 428 - Rubellite Tourmaline$219.002.19 ct. This is a Nigerian stone with very nice color, cut in a modern type design
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Gem 257 - Pink Tourmaline$0.002.35 ct. This is a neat cut, it almost looks like an eye
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Gem 92 - Rubellite Tourmaline$0.002.66 cts. A diamond checker crown creates an interesting stone that would make a great ring or pendant.
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Gem 227 - Pink Tourmaline$150.001.46 ct. This stone is more of a medium light pink with a touch of purple in person
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Gem 163 - Pink Tourmaline$99.001.39 ct. This is an oval with a square checkers on the crown