The forthcoming six-day fashion extravaganza will start July 23 at The Grand Hotel in south Delhi. Alia, 20, will walk on the ramp on the event's last day.
The brand's collection revolves around the theme of wedding.
"Every design has been made keeping in mind the bride who is modern and contemporary in style. Alia Bhatt resonates the designs extremely well.
She is young, vivacious and is the perfect fit for what we are trying to communicate," Vipin Sharma, director-jewellery, World Gold Council (India) Private Limited, told IANS.
"The designs are stylised in a contemporary way and is meant for young and beautiful girls like Alia," he added.
Alia, daughter of veteran filmmaker Mahesh Bhatt, started her film career with "Student Of The Year" (SOTY) last year. She has recently wrapped the shoot of Imtiaz Ali's "Highway", in which she is paired with Randeep Hooda. The film will release Dec 13.
Another project in her kitty is Abhishek Varman's "2 States", in which she will share screen space with Arjun Kapoor.