1980 | Began operations providing precious stones from Sri Lanka and Thailand to Columbia |
1985 | Began importation of jewelry from Hong Kong |
1986 | Opened the Kofu Studio in Yamanashi Prefecture and established our Creative Jewelry and 18K Company factories in Hong Kong |
1987 | Invited master craftsmen from Hong Kong to create customized handmade jewelry |
1988 | Established IMACBC Corporation (with a contributed capital of 3 million yen) |
1990 | Increased contributed capital to 10 million yen |
2005 | Established IMACBC (Thailand) in Bangkok, Thailand |
2005 | Opened IMACBC Casting Studio in the Shinjuku ward |
2006 | Established IMAC BC (HK) in Hong Kong |
2006 | Established Imahashi jewelry Ltd., a subsidiary of IMACBC (HK) in Guangdong, China |
2008 | Established IMACBC Diamond Exports Private Limited in Mumbai, India |
2008 | Increased contributed capital to 30 million yen |
2013 | Merged with Gems London Co. which operated the TV mail-order program, GSTV |
2015 | Changed corporation name to GSTV and moved headquarters to Ariake, Koto Ward |
2016 | Opened the GSTV Gemological Laboratory in Ariake Head office |
2021 | Established GSTV Kofu office in Kofu, Yamanashi Prefecture |
2022 | Relocated the headquarters to Tennouzu, Shinagawa Ward |
2022 | Capital reduced to 100 million yen. |