Padparadscha Sapphire – One of the rarest kinds of sapphire is the Padparadscha sapphire, which with its combination of pink and orange is unlike any other gemstone color.

Paraiba Tourmaline – The discovery of paraiba tourmaline in Brazil in the 1980s wowed the gemstone community with its intense, neon-like blue-green tones. Heitor Dimas Barbosa, a local explorer, came upon the first specimen of this crystal, which he dubbed Paraiba after the site where it was found.

Benitoite – Benitoite, as the official gemstone of California, is an extremely uncommon mineral with a lot of historical significance. It is a barium titanium silicate crystal that is typically blue and is present in hydrothermally metamorphosed rocks.

Kashmir Sapphire – In terms of public recognition, the Kashmir sapphire stands alone among sapphires. It has long been regarded as the world’s prettiest and most coveted sapphire, and its very name denotes that privilege.

Which would you splash cash on if you were a millionaire?