The capital Willemstad, settled in 1634, is the financial and commercial centre of life on the island, as well as a Unesco World Heritage Site, thanks to its well-preserved, cotton-candy-coloured Dutch Colonial architecture and buildings like the Mikve Israel Synagogue, the oldest synagogue in use in the Western Hemisphere.

BBC: Living in: the ABC islands

Since one of the diamond's selling points was its ability to change hues from cotton-candy pink to fuchsia under fluorescent light, a bulb was positioned over its case to flicker on and off.

WSJ: Collectors Focus on Jewels as Investments