It was made by the Swiss company Caran d'Ache in 1999 as homage to architect Antonio Gaudi.

The fountain pen was sold in Harrods, London, for $265,000.

La Modernista Diamonds is made of rhodium-coated solid silver components.

It boasts of an 18-carat rhodium-coated gold nib and is set with a total of 5,072 Wesselton diamonds weighing in at 20-carats, as well as and 96 rubies totalling 32-carats.

The pen was hand-made by master jeweler Robert Perron and it took him six months to complete this true masterpiece of writing instruments.

Image: La Modernista Diamond Pens.