The ith collection is the result of the handiwork of the company's representative female craftswoman, Ayu Takahashi.
Each piece is imbued with love and skill, and the philosophy that the wearer is the hero of the ring.


Diamond Selection for the Two of You

At ith, we do not sell what we want to sell as a business, but rather, in order to ensure that our customers purchase what is right for them, we do not carry more inventory than necessary, and we work with multiple diamond businesses to purchase the best diamonds for each customer's needs. ith's philosophy of putting the couple's individuality first is reflected in the selection of diamonds.


Color stones that enhance your personality

In addition to diamonds, ith's custom-made jewellery can be tailored with birthstones or gemstones of your favorite color. Find a special colored gemstone to enhance your special feeling.


All designs in your choice of material

Born from the atelier of a female craftsman, ith has been focusing on the unique coloring of gold since the brand's inception, and has offered a wide range of wedding and engagement rings designed to look good in gold. The antique texture, natural impression, and various expressions of gold are the source of ith's creations. The rich variety of colors, such as pink gold, yellow gold, and white gold, are also attractive.

Texture & Technique

The texture creates the nuance of your ring

The texturing process, which gives the ring its expression, is where the craftsman's skill shines through. The mirror finish typical of wedding rings, matte finish with varying degrees of matting, hammered grain, and engraved patterns are all created by hand. You can also choose from a variety of original patterns to enhance the antique or crafted mood of the ring. Our skilled craftsmen will work with the couple's individuality to create a ring with the texture of their choice from a wide variety of surface finishes.