A set of diamond and gold 'firework' jewellery, by Bulgari. Photo Christie's Image Ltd 2014

Comprising a brooch designed as textured gold stylized firework with brilliant-cut diamond detail, a pair of ear clips en suite, brooch 5.5 cm, earrings 3.5 cm. Signed Bulgari. Estimate CHF8,000 – CHF12,000 ($9,124 - $13,686)

Christie's. GENEVA MAGNIFICENT JEWELS. 14 May 2014, Geneva -http://www.christies.com/