Editor’s Note
This article outlines a private holiday campaign for SHINCA, Japan’s first lab-grown diamond jewelry brand. The campaign offers exclusive benefits to members for a limited period in late 2025.
Japan’s first lab-grown diamond jewelry brand “SHINCA,” manufactured and sold by IMAYO Co., Ltd. (Headquarters: Nakagyo-ku, Kyoto City; President and Representative Director: Nobutaka Imanishi), will hold the “SHINCA 2025 HOLIDAY SPECIAL Private Campaign” for a limited period from Thursday, October 30, 2025, to Monday, December 29, 2025. This campaign is exclusively for members who purchase eligible products at SHINCA domestic direct stores or the official online shop.
“SHINCA” is Japan’s first lab-grown diamond jewelry brand handled by IMAYO, a jewelry maison that weaves together Japanese beauty and tradition. Since sales began on October 1, 2018, it has been a pioneer in Japan’s lab-grown diamond jewelry industry, gaining support for its high product quality created from carefully selected materials and skilled craftsmen. The brand proposes gorgeous jewelry that features the sustainable brilliance of lab-grown diamonds—born without harming the earth—and meticulous craftsmanship focused on every detail to bring out their exceptional beauty.
Lab-grown diamonds (synthetic diamonds) are, as the name suggests, diamonds grown in a laboratory (lab). They differ from natural diamonds only in their production environment; they are scientifically identical in composition and characteristics and are completely different from imitation or simulant stones like moissanite or cubic zirconia. The world is paying attention to their exceptional beauty, featuring a clear brilliance with almost none of the impurities found in only a few percent of mined natural diamonds, and their ecological spirit of being born without harming the earth.