ENTER A SINGLE ROUND DIAMOND 

Enter proportions from GIA report or the number (works for some diamonds). Reject diamonds with HCA scores larger than 2.5 . HCA will select the very best & reject most GIA XXX. 

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Looks Like size indicates how big the diamond is for its carat weight. Most diamonds look smaller then they should. 

Click to test this GIA Excellent Cut,
Symmetry and Polish (XXX)

UPLOAD UP TO 100,000 ROUND DIAMONDS

Enter a .csv file into Holloway Cut Adviser of your inventory, a suppliers or competitors. Download the round diamonds you need from RapNet® IDEX® or GetDiamonds®.

In minutes receive HCA scores for up to 100,000 round diamonds. Filter, sort and reject diamonds with a HCA scores greater than 2.5. Sell the best looking diamonds for a premium and make a better return. You will reduce your returns and have happier clients.

Check out the plans

How to use HCA

Ideal Scope Reference​