Go Beyond 'Excellent' Cut
Did you know? 80% of GIA “Excellent” diamonds underperform.
The HCA will identify the top 15% for you.
Millions of diamond buyers have used HCA to find superior sparkle.
Upgrade the most important C !
Works for Natural and Lab Grown Diamonds - Get Your Diamond’s HCA Score Now:
Where to find measurements
After narrowing your search we suggest that you request Ideal-scope images from the seller, or buy your own Ideal-scope from Ideal-Scope.com.
Click to see Ideal-Scope Reference Chart
Post photos on our Diamond Discussion forum for unbiased opinions from PriceScope members.
Click to see Ideal-Scope Reference Chart
Post photos on our Diamond Discussion forum for unbiased opinions from PriceScope members.
* Usage Notes
"Looks Like Size"
The "Looks Like Size" uses all factors to calculate a diamond’s physical spread as well as its visual spread (based on light return versus leakage) relative to other diamonds of its carat weight.
- The HCA predicts a round diamond’s likely performance using its primary reflective angles.
- All diamonds scoring HCA 2.0 and under are equally bright and excellent.
- Most people prefer diamonds scoring 1.0-2.0, or top Hearts & Arrows diamonds up to 2.5 for rings
- Diamonds scoring below 1.0 may be more suitable for earrings and pendants than rings.
"Looks Like Size"
The "Looks Like Size" uses all factors to calculate a diamond’s physical spread as well as its visual spread (based on light return versus leakage) relative to other diamonds of its carat weight.
What is the HCA?
The Holloway Cut Adviser (U.S. Patent 7,251,619 and 20,200,011,807 ) is a rejection tool to help narrow your search for round diamonds only based on potential light return, fire, scintillation, and spread based on the round proportion specifications from a grading report.
The Holloway Cut Adviser (U.S. Patent 7,251,619 and 20,200,011,807 ) is a rejection tool to help narrow your search for round diamonds only based on potential light return, fire, scintillation, and spread based on the round proportion specifications from a grading report.
