My Week: Harriet Kelsall of Harriet Kelsall Jewellery Design
Harriet Kelsall, founder of eponymous jewellery company HKJD, on blood diamonds, unusual commissions and why she hates to sleep.

Harriet Kelsall, founder of eponymous jewellery company HKJD, on blood diamonds, unusual commissions and why she hates to sleep.