A serious engagement/wedding ring with a "Black Jack" diamond and black diamond is now available. The engagement ring is priced at 484,000 yen [tax included]

A serious engagement/wedding ring with a "Black Jack" diamond and black diamond is now available. The engagement ring is priced at 484,000 yen [tax included]
Utreasure has released engagement rings and wedding rings in collaboration with the manga "Black Jack" at the Utreasure Concept Store Ikebukuro and the Utreasure Online Shop from April 10, 2024 (Wednesday)....

The linked article is in Japanese.