Estimated Value (Sane Cost Guide): 12,000 gp
DMG Value: 5,001 gp - 50,000 gp
While wearing this ring, you regain 1d6 hit points every 10 minutes, provided that you have at least 1 hit point. If you lose a body part, the ring causes the missing part to regrow and return to full functionality after 1d6 + 1 days if you have at least 1 hit point the whole time.
Source: DMG p191