Another top lot at Christie’s Important Jewels sale in London on 26 November 2014 was a 1.54ct Fancy Deep Blue diamond and 1.78ct Fancy Intense Pink diamond ring that sold for £752,500 (estimate: £300,000-500,000).

Another top lot at Christie’s Important Jewels sale in London on 26 November 2014 was a 1.54ct Fancy Deep Blue diamond and 1.78ct Fancy Intense Pink diamond ring that sold for £752,500 (estimate: £300,000-500,000).