Richa Chadha, who is all geared up for the release of her upcoming period drama `Heeramandi: The Diamond Bazaar`, has revealed how the Indian auteur Sanjay Leela Bhansali (SLB) has used real vintage jewellery, fabrics for the costumes to achieve the grandeur of the series.

Marking the OTT debut of Bhansali, the series explores the cultural reality of Heeramandi, a dazzling district, through the stories of courtesans and their patrons set against the tumultuous backdrop of the Indian freedom struggle of the 1940s.