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 895 - Scapolite$0.006.32 ct. A very pretty yellow scapolite cut in a standard pear shape.
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Gem 777 - Oregon Sunstone$0.003.59 ct. This one is a really nice brick red color, cut in a diamond checkerboard crown, with a brilliant pavilion
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Gem 733 - Oregon Sunstone$0.002.41 ct. - Cut in a bar cut round design.
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Gem 565 - Oregon Sunston$0.001.80 ct. An interesting variation of a round cut.
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