Scholars differ: some hold that gold jewellery worn for personal use is exempt, while others hold that all gold reaching the nisab is subject to zakat. Given the difference, a cautious approach is to pay it, and one may follow a qualified scholar on the matter.
References
No specific citation was provided for this answer. Verify with a qualified scholar and the primary sources.
Informational, not a personal fatwa. Consult a qualified scholar for rulings on your situation.