DIAMOND PROFILE
Filed: January 22, 1997
gemological services, namely, diamond brilliance and color analysis
Owned by: GCAL USA LLC.
Serial Number: 75229516
INTEGRITY GUARANTEED
Filed: March 17, 2006
PRECIOUS STONE AUTHENTICATION AND GRADING SERVICES
Owned by: GCAL USA LLC.
Serial Number: 78840129
GEMFACTS
Filed: April 28, 2006
Authentication and grading of precious stones
Owned by: GCAL USA LLC.
Serial Number: 78872436
CERTIFIED DIAMOND EXCHANGE
Filed: April 7, 2012
providing a gemstone trading exchange in the nature of a marketplace where buyers and sellers can buy, sell, request, list…
Owned by: GCAL USA LLC.
Serial Number: 85591834
CDE
Filed: April 7, 2012
providing a gemstone trading exchange in the nature of a marketplace where buyers and sellers can buy, sell, request, list…
Owned by: GCAL USA LLC.
Serial Number: 85591836
GCAL 8X ULTIMATE DIAMOND CUT GRADE
Filed: February 25, 2021
Precious stone authentication and grading services
Owned by: GCAL USA LLC.
Serial Number: 90545927
