Pushing the boundaries
in jewelry

We maximize the value of jewelry by
delivering excitement, joy and happiness to our customers

We would like to express our deepest sympathies to the victims of the 2024 Noto Peninsula Earthquake and those consequently forced to live in difficult circumstances.


We are creating
a new culture around jewelry

We offer a variety of content that promotes jewelry culture

GSTV's various extraordinary business developments
The mission of GSTV Inc. is to create new value and a new culture for jewelry while highlighting its appeal.

Lab / Museum

A new beacon for jewelry culture

GSTV Gemological Institute and
GSTV Gem Museum

To maximize the value and credibility of our gemstones, our team of highly qualified researchers use the latest technology to accumulate advanced expertise and scientific knowledge in gemology.
Our mission is to pass on our jewelry culture and history to future generations.

Our Business

CONTACTEmail us for inquiries