The Aurora Diamante is the most expensive writing instrument till date. The pen features over 30 carats ofÂ De Beers diamonds, and is available in solid platinum or white gold versions.
It has a two-tone, rhodium-treated, 18KT solid gold nib and is personalized with a coat of arms, signature or portrait.
Aurora Pens says it is the only over 30 carat pen in the world. Apparently, only a single piece will be available for sale per year for around one million euros ($1.3 million).