Ginza Official Recommended News

2017.02.23

Opal is basically a gemstone that often be produced in "vein form" due to the crystal flows into the rocks' gap, Without the host rock, there are not so many things that can be polished with only opal crystal. That is the point when it comes to the popular fire opal. At the shop, we will intro...

2017.02.14

The charm of Alexandrite is the color change. Alexandrite contains "Chromium Oxide", a material that absorb special light due to the difference of light source that make it seems like "blue-green" color when under the sunlight, and "purplish red" when under candles or incandescent lamp. With two...

2017.02.01

Paraiba tourmaline represents the color of life. The color is determined by a mixture of magnesium and some copper. And the higher the percentage of copper, the brighter the blue color becomes. Where as the higher the percentage of magnesium, the brighter the green color. Which do you prefer...

2017.01.26

In addition to the most popular round brilliant shape of diamonds there are also a number of other cuts. Below are some typical diamond cuts, but in addition to these, it is said that there are hundreds of ways to cut a diamond. Heart shape Emerald cut Pear shape Princess cut Marquise Tri...

2017.01.13

"Unheated" and "A brilliant color" are not the same thing. Even if you come across an "Unheated" and "etched" ruby, you might tend to lament, "This ruby would've been better if it had been heated". However, the beauty from a high class, unheated ruby is that it has a particular graduation that h...