Red Flags
When to walk away
These warning signs mean leave the store or close the browser tab.
No GIA or AGS certification
If a jeweler pushes an in-house certificate, leave. GIA and AGS are the only trusted labs. IGI is acceptable for lab-grown.
"This deal is only available today"
High-pressure tactics are the biggest red flag. Reputable jewelers give you time. Diamonds don't spoil.
Won't show the diamond under different lighting
Showroom lighting maximizes sparkle. A great diamond looks good everywhere.
Quoting "appraised value" as the selling point
Appraisals are inflated 50–100% above retail for insurance. Don't fall for "appraised at $10K, yours for $5K."
Can't explain why they're recommending something
Good jewelers educate. Bad jewelers push margin.
No return policy or inspection period
Reputable jewelers offer 30-day returns minimum. Online retailers often offer 60–90 days.
Vague about origin
Transparency about sourcing should be enthusiastic, not evasive.
The test — If they can't explain the 4Cs, show a GIA certificate, and answer questions patiently, they don't deserve your money.