Directory
Mission statement
MiaDonna
MiaDonna & Company LLC
Protected through
- Certified B Corporation
What they do
MiaDonna sells engagement rings and fine jewelry featuring lab-grown diamonds. They offer custom design services and pre-made jewelry collections for consumers.
“To offer consumers beautiful, ethical, and affordable lab-grown diamond jewelry while advocating for diamond mining communities and the environment.”
Status
Private
Industry
Retail & E-commerce, Other
Headquarters
Portland, Oregon
Founded
2005
Website
Sources (3)
- MiaDonna & Company - Certified B Corporation - B Lab GlobalB Lab directory · retrieved 2026-06-07
- MiaDonna Becomes First B Corp Diamond Company | Lab Grown DiamondsCompany website · retrieved 2026-06-07
- Lab-Grown Diamond Pioneer MiaDonna Announces B Corporation CertificationPress release · retrieved 2026-06-07
Added 2026-06-07 · last updated 2026-06-07Informational only; not legal advice. Verify against the sources above before relying on this entry.