AYAKO SAKURAI Special Collaboration
AYAKO SAKURAI × sentoujours.
Special Collaboration “Écrin”｜9.16 Release
Jewelry box brand "sentoujours." announces first collaboration with
jeweler Ayako Sakurai!
Limited edition box made with MALHIA KENT tweed and
limited edition rings featuring rare colored stones now on sale
sentoujours. will release its first collaboration items with "AYAKO SAKURAI," a jewelry brand that offers a new jewelry experience of "selecting directly from a jeweler."
This collaboration will feature a limited edition jewelry box, "Éternelle mini | AYAKOSAKURAI Limited Edition “Écrin”," specially crafted for the "AYAKO SAKURAI" ring collection, and two types of limited edition rings using rare colored stones.
These items will be pre-sold at the Hankyu Umeda Main Store pop-up from Wednesday, September 16, 2026, to Sunday, September 20, with general sales scheduled for October.
◆Collaboration Background
We have collaborated with "Jeweler Ayako Sakurai" at events in the past, but this is our first collaboration on an item.
We share the common desire that jewelry should be something that fills your heart not only when you wear it, but also when you open the box and when you carefully put it away. This is a shared sentiment between "AYAKO SAKURAI" and "sentoujours."
The jewelry box, specially created for the "AYAKO SAKURAI" ring collection, is meticulously designed in terms of size and specifications to beautifully showcase the rings, expressing a world where the jewelry and the box become one.
＜Product Details＞
◆Éternelle mini | AYAKOSAKURAI Limited Edition「Écrin」
This special jewelry box is made exclusively for AYAKOSAKURAI's ring collection, luxuriously crafted with tweed fabric from the finest tweed brand "MALHIA KENT."
We meticulously designed the box with attention to the size and specifications to beautifully accentuate the rings, and even the excitement of opening the box. This limited collaboration item allows you to enjoy the time you spend storing your jewelry.
◆Hanamizuki Light Amethyst Ring (Image: bottom)
The popular "Hanamizuki" series will feature a limited edition color: light amethyst.
The light amethyst used this time is lighter and more transparent than common amethysts. Unlike deep purple amethysts, its gentle, cool hue blends well with the skin and is easy to incorporate into everyday wear. The discovery of this beautiful asscher-cut light amethyst was the catalyst for producing this limited-edition ring. By combining the transparent, soft purple with the delicate petals of "Hanamizuki," we have created a special ring that is both lovely and elegant.
◆Relier Yellow Beryl Ring (Image: top and center)
This special yellow beryl ring is based on the design of the popular "Relier" collection.
The yellow beryl used this time is a special loose stone that Ayako Sakurai finally found after searching for the ideal color and form. It is extremely rare to find such long, square-cut stones with consistently beautiful coloring, and we were only able to procure 7 stones this time. It will be difficult to obtain stones of the same quality and size in the future, and sales will end once the limited quantity is reached.
To accentuate the stone's transparency and beautiful form, the loose stone is set horizontally. The design is light and sophisticated, making the finger appear slender and elongated.
◆About AYAKO SAKURAI”
Building on the procurement channels and discerning eye inherited from her mother, she began sharing information about jewelry on social media in 2019. She was the first to introduce on Instagram the new option that "there are various ways to purchase gemstones besides high-end brands," creating the origin of the trend where more people now call themselves "Instagram jewelers." Her theme is "Towards an era where freedom in gem selection expands."
Through a tripartite approach of in-person sales (Sakurai's "consulting sales"), Instagram sales (started in 2022), and the members-only EC "A JEWELRY BOX," she continues to provide a bespoke experience that emphasizes "who you buy from."
The operation is managed by a small, elite team including her husband, who is also her business partner, and a close friend from high school. She has over 25,000 followers on Instagram. Through daily posts, she shares insights on gem selection and tips for enhancing outfit resolution. She serves as her own advertiser, and in February 2023, she published her first book, "You Don't Need Brand Fees for Gemstones."