The Crocodile Décor from Cartier features two diamond-encrusted gold reptiles crawling towards each other along the length of the 18k yellow gold body. Along with a crystal stand, every aspect of this fountain pen screams opulence, priced at US$114,000 (HK$895,000).

2. Lalique

Caran D’Ache and Lalique Crystal & Diamonds fountain pen. Photo: Lalique

Joining forces with legendary name Caran D’Ache has inspired a pen of light and shade. The Crystal & Diamonds edition has a shapely white gold body contrasting with a ruthenium cap, both set with a total of 340 diamonds, and comes with a crystal ink holder for an extra touch of flair. Price upon request.

Bling it like Beckham: inside Brooklyn and Nicola’s wedding jewellery

3. Montblanc

Montblanc Meisterstück Great Masters Pirelli limited edition 1872 fountain pen. Photo: Montblanc

Since its creation in 1924, the Meisterstück has been regarded as one of the pinnacles of European pen craftsmanship and this collaboration – the Meisterstück Great Masters Pirelli Limited Edition 1872 – continues that fine tradition, and is priced at US$2,780 (HK$21,800).

4. Harry Winston

Harry Winston Falconry Legacy gold fountain pen with emerald cut diamond top. Photo: Harry Winston

Taking inspiration from majestic birds of prey, the Falconry Legacy fountain pen matches with a pair of cufflinks with the same badging, sharing also the emerald-cut diamond detailing. Price upon request.

The luxury lives of Kourtney Kardashian’s children

5. Montegrappa

Montegrappa Zero Zodiac Capricorn pen. Photo: Montegrappa

As the Zero Zodiac universe continues to expand, this Capricorn model blends amber, brown and taupe resin to elegant effect. The nib is made from 14k gold and engraved with its corresponding zodiac sign, and is priced at US$940 (HK$7,400).