Topic

IGI

3 entries

Manual entry

GIA vs IGI certification explained: compare report fields, natural and lab-grown grading, verification steps, price effects and buying safeguards.

Eleanor Marsh · Verified Sep 16, 2026 · 11 min

Manual entry

Learn how to read a diamond grading report by checking identity, 4Cs, proportions, clarity plot, treatments, inscription, and report number.

Eleanor Marsh · Verified Sep 16, 2026 · 10 min

Manual entry

What is a lab grown diamond? It is a real diamond made by CVD or HPHT, then identified, graded and priced separately from a natural diamond.

Eleanor Marsh · Verified Sep 16, 2026 · 9 min