Jewelry Care Tips

リングゲージの使い方

A ring gauge is a tool for measuring finger size. Here we will tell you how to use a ring gauge. First, put in a ring of the size you think is the tightest. From there, go up one size at a time until you find the size that is comfortable for you. The ring gauge...

12月の誕生石・タンザナイトのお話

Tanzanite, Birthstone of December I would like to talk about the birthstone of December, Tanzanite. Tanzanite, a gemstone with attractive colors Tanzanite is the birthstone for December, the same as turquoise, lapis lazuli, and blue zircon. Its Japanese name is "kairenseki," which means "stone of...

10月の誕生石・トルマリンのお話

The birthstone for October is tourmaline I would like to talk about the birthstone for October, tourmaline. Tourmaline is the birthstone for October, the same as opal. Tourmaline as an ore Characteristics of Tourmaline Japanese name is "Denkiishi" (electric stone), Mohs hardness is 7 to 7.5, no wall sharpness, toughness...

9月の誕生石・サファイアのお話

The birthstone for September is Sapphire I would like to talk about sapphire. Sapphire is the birthstone for September, the same as Iolite. It has a Mohs hardness of 9 and a toughness of 8, surpassing diamonds, which have a hardness of 7.5. It is not only beautiful in color, but also in its yo...

手作り結婚指輪を長く大切に使っていくには|劣化が心配な方も安心して選べる

Choosing materials and daily care to cherish and use your handmade wedding ring for a long time The more careful you are in shopping for a wedding ring that you want to wear for a lifetime, the more concerned you may be about the ring's deterioration over time. In particular, some may be concerned that handmade wedding rings may deteriorate too quickly. Here, we will discuss the...

8月の誕生石・ペリドット

Peridot, a refreshing green gemstone, shines coolly even under the summer sun. Here I would like to talk about the birthstone of August, peridot. Peridot, a refreshing pale green gemstone Peridot is the birthstone of August, the same as spinel and sardonyx (sardonyx). ...