TL;DR: Every stone is checked against its certificate before it's set, not after. If a discrepancy is ever found at this checking stage, the stone doesn't proceed to setting until it's resolved with the supplier — either verified as a documentation error or replaced entirely. This happens before your ring reaches production, not after delivery.
Why This Question Is Worth Asking
A GIA or IGI certificate is only useful if the stone in your ring is actually the stone the certificate describes. It's a fair question to ask any jeweller, and the honest answer is that verification happens as a standard checking step before a stone is set — not something left to chance.
What Checking Actually Involves
Before a stone moves to setting, its measurements, and where applicable its laser inscription, are checked against the certificate that accompanies it. This is a standard verification step in reputable stone sourcing, not an unusual or extra precaution.
If Something Doesn't Line Up
If a genuine discrepancy is found at this stage, the stone does not proceed to production. We go back to the supplier to resolve it — sometimes this is a documentation mix-up rather than an issue with the stone itself, and sometimes it means sourcing a different stone entirely. Either way, this happens before your commission moves forward, and we would tell you directly if it affected your timeline.
What This Means for You as a Buyer
You shouldn't need to personally re-verify every stone against its certificate — that's part of what you're paying a jeweller to do correctly on your behalf. But it's entirely reasonable to ask any jeweller, us included, what their verification process actually is before you commit to a stone.
Our Approach at À Vie Diamonds
Every centre stone is checked against its certificate as a standard step before setting. If you'd like to understand this process for a specific commission, get in touch and we'll walk you through it.
Related Reading
Frequently Asked Questions
How do you know a diamond matches its certificate? The stone's measurements and, where applicable, its laser inscription are checked against the certificate before it proceeds to setting.
What happens if a stone doesn't match its certificate? It doesn't move forward to production. We resolve the discrepancy with the supplier first — either confirming it as a documentation error or sourcing a different stone.
Last reviewed: July 2026 · À Vie Diamonds