Drop your GIA or IGI cert — PDF or a photo from your phone. We'll read the proportions and tell you how the cut stacks up.
Reference only · Not buying or selling advice · Based on published gemological standards · The Cut Guide carries no inventory and has no financial interest in your purchase
Drop your cert PDF or screenshots
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Reference Only · Not Buying or Selling Advice
Proportion Analysis
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Proportion ranges reflect published gemological standards and industry consensus.
This analysis is for reference only and does not constitute buying or selling advice.
Have any stone evaluated by a qualified independent gemologist before purchase.
The Cut Guide carries no inventory and has no affiliation with any retailer or laboratory.