Engagement Ring Guide
GCAL 8X Diamond Report
Performance-forward report that adds optical symmetry and light behavior to the usual 4Cs.
Resource:grading
Engagement Ring Guide
GIA Diamond Grading Report (Natural)
Gold-standard lab report for natural diamonds; defines the 4Cs plus proportions and plotting.
Engagement Ring Guide
IGI Lab-Grown Diamond Report
Common grading report for lab-grown diamonds; good for value shopping when verified.