The Black Diamond Platinum 3776 Century is a contemporary fountain pen with a sleek design, comfortable writing balance, smooth flow, and fast-drying ink. The solid black body is accented by rhodium trim. The innovative cap contains a unique “Slip & Seal” mechanism that prevents ink from drying out in the pen for up to 2 years, while a newly redesigned 14k gold nib and feed regulate the ink flow. The attention to detail is also evident on the the cap ring, which has been etched to create a three-dimensional effect of the logo. The Platinum 3776 Century accepts proprietary Platinum cartridges or a Platinum converter for use with bottled ink. Only the cartridge is included, while converter and replacement cartridges can be found here.
The Black Diamond Platinum 3776 Century is a contemporary fountain pen with a sleek design, comfortable writing balance, smooth flow, and fast-drying ink. The solid black body is accented by rhodium trim. The innovative cap contains a unique “Slip & Seal” mechanism that prevents ink from drying out in the pen for up to 2 years, while a newly redesigned 14k gold nib and feed regulate the ink flow. The attention to detail is also evident on the the cap ring, which has been etched to create a three-dimensional effect of the logo. The Platinum 3776 Century accepts proprietary Platinum cartridges or a Platinum converter for use with bottled ink. Only the cartridge is included, while converter and replacement cartridges can be found here.
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last seen 24 Sept 2026
The lowest price we last saw for Platinum Fountain Pen Fountain Pen #3776 Century Rhodium Black Diamond Extra Thick PNB-18000CR #7-5 was $581.00 at Kiichin (last seen 24 Sept 2026). Prices may have changed since.
The all-time low we recorded was $167.41 on 21 July 2024.
Prices last updated 24 Sept 2026.
Platinum Fountain Pen Fountain Pen #3776 Century Rhodium Black Diamond Extra Thick PNB-18000CR #7-5
The Black Diamond Platinum 3776 Century is a contemporary fountain pen with a sleek design, comfortable writing balance, smooth flow, and fast-drying ink. The solid black body is accented by rhodium trim. The innovative cap contains a unique “Slip & Seal” mechanism that prevents ink from drying out in the pen for up to 2 years, while a newly redesigned 14k gold nib and feed regulate the ink flow. The attention to detail is also evident on the the cap ring, which has been etched to create a three-dimensional effect of the logo. The Platinum 3776 Century accepts proprietary Platinum cartridges or a Platinum converter for use with bottled ink. Only the cartridge is included, while converter and replacement cartridges can be found here.
The Black Diamond Platinum 3776 Century is a contemporary fountain pen with a sleek design, comfortable writing balance, smooth flow, and fast-drying ink. The solid black body is accented by rhodium trim. The innovative cap contains a unique “Slip & Seal” mechanism that prevents ink from drying out in the pen for up to 2 years, while a newly redesigned 14k gold nib and feed regulate the ink flow. The attention to detail is also evident on the the cap ring, which has been etched to create a three-dimensional effect of the logo. The Platinum 3776 Century accepts proprietary Platinum cartridges or a Platinum converter for use with bottled ink. Only the cartridge is included, while converter and replacement cartridges can be found here.
Last updated at 24/09/2026 01:35:25
Platinum Fountain Pen Century Rhodium Fountain Pen, Extra Thick
Delivery $19
Platinum Fountain Pen Century Rhodium Fountain Pen, Extra Thick
Delivery $19
