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HOLLOWAY CUT ADVISER
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The Holloway Cut Adviser (U.S. Patent 7,251,619) is a rejection tool to help you narrow your search for only round diamonds potential Light Return, Fire, Scintillation and Spread based (only) on the proportion information from a grading report. HCA does not use symmetry, polish and minor facets info. |
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Consumers please visit here. Trade & diamond manufacturers please visit here |
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Trade can subscribe for new services, including uploading unlimited numbers of stones via excel spread sheets. |
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