Crafted in Yamanashi
Handmade Fine Jewellery
from Japanese Artisans
Welcome to Hirohana Kōbō, a curated platform bringing the finest handmade jewellery from
Kōfu, Yamanashi, Japan — the legendary "City of Jewels" — directly to Hong Kong.
Discover unique, one-of-a-kind masterpieces at affordable prices.
Newest Products
Yamanashi Pedigree
Hand-carved by veteran Japanese craftsmen with over 30 years of heritage.
Fine Jewellery
Crafted exclusively from authentic precious metals and genuine gemstones.
One-of-a-Kind
No mass production. Every design is completely unique to that single piece.
Affordable Luxury
True heritage work and genuine materials, intentionally priced to be affordable.
The Signature Line
"Master Craftsman of Our Time"
The Shimada Collection
Experience the pinnacle of Japanese heritage. Hand-carved by master artisan Mitsuyuki Shimada, an official recipient of the prestigious “Master Craftsman of Our Time” award by the Japanese government. His rare, one-of-a-kind creations bring authentic imperial-grade legacy directly into your everyday style.
The Soul of Yamanashi
Beyond the masterpieces lies a legacy of preservation. Discover how we bring Japan's hidden jewellery heartland to the world.