Tagline
BE THE ORIGIN.
etna was launched on November 16, 2022, by Kōsai Co., Ltd. as a forged bridal jewelry brand using Millennium forging technology and the skills of experienced artisans. The brand is based in Kai City, Yamanashi Prefecture, and its rings are made at a factory in the same area. Its concept is “rings that allow every couple to feel a lifelong bond and return to the starting point of their relationship at any time.” The brand offers forged rings, including fashion, wedding, and engagement rings, and also provides after-sales maintenance. The latest news includes an update from 2025.
Concept
Rings that allow every couple to feel a lifelong bond and return to the starting point of their relationship at any time