Modi then spent the next two years cutting and polishing the stones he had gathered up from around the globe. In particular, he focused on a cache of 34 rare pink diamonds he’d acquired. The result was the exquisite Golconda Lotus necklace that stole the show at Christie’s jewellery auction in Hong Kong when it sold for a breathtaking Rs 16.29 crore to a Chinese collector.

#5 Mavji Bhai Patel

Brand: Kiran Gems Group

Established in 1985, with sales offices in New York, Antwerp, Hong Kong, Dubai and Bangkok; and manufacturing centers throughout Gujarat , the Kiran Gems Group was founded by three visionary brothers - Vallabhbhai S. Patel, Babubhai S. Lakhani, and Mavjibhai S. Patel. Kiran Gems today is India's largest exporter of diamonds and jewellery and it is also the diamond industry's largest employer, with an army of 30,000 craftsmen handling over 5 million carats in rough diamonds each year.

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