Quality is built in, not inspected in. Take a behind-the-scenes look at our quality control process.
Quality by Stage
| Stage | QC Check | Standard |
|---|---|---|
| Stone incoming | 10x magnification, color/clarity verify | VS+ clarity, F-G color |
| Casting | X-ray for porosity, weight check | <0.5% porosity |
| Setting | Prong tension, stone alignment | No movement, centered |
| Polishing | Surface inspection, uniformity | Mirror finish |
| Final | 12-point inspection, certificate match | 100% pass |
Our QC Team
15 dedicated QC specialists. Average 6 years experience. 100% inspection (not sampling). Rejection rate under 2%. Every piece signed off by QC before shipping.
Technology in QC
10x gemological microscopes. XRF metal analyzer. Digital calipers (0.01mm precision). Laser inscription verifier. Photography documentation for every batch.
Frequently Asked Questions
What's your defect rate?
Under 2% — well below industry average of 5-8%.
Can I visit your factory?
Yes — wholesale partners are welcome to visit our Wuzhou facility.
Conclusion
Holycome's rigorous QC ensures every piece meets standards. Contact service@holycome.com to arrange a factory visit.
