Ltd., also known as HK, is an Indian diamond conglomerate, headquartered in The Capital, Bandra Kurla Complex, Mumbai, India.

[1] The company has manufacturing units at Surat in Gujarat and its marketing and sales office in Mumbai.

[9] In 1992, HK began its operations as a diamond cutting and polishing unit in Surat, starting with a modest setup comprising a few machines and employees.

KISNA offers a diverse range of designs encompassing rings, earrings, pendants, necklaces, bangles, bracelets, and nose pins.

Ltd. serves the domestic market, while Kisna Diamond Jewellery, a pan-India brand, is distributed through more than 480 distributors to over 6500 retail outlets.

The company received media attention for "gifting" its employees cars, jewellery, and homes as bonuses on Diwali.

[19][20] In December 2016, the company was issued notice by the Employee Provident Fund Organisation's (EPFO) Surat regional branch for violating the Employees Provident Funds and Miscellaneous Provisions Act,  1952, and Factory Act after two years of investigation.