Color is not claimed as a feature of the mark.
"LABORATORIES", "EXPERIENCE", "EXPERTISE", OR "EXCELLENCE"
The mark consists of the letters "G" and "S" separated by a diamond and the word "Laboratories" following the letter "S" on the top portion of the mark, which is separated by an underline, and the words "Experience, Expertise, and Excellence" appearing below the underline.
GEMOLOGICAL SERVICE LABORATORIES EXPERIENCE, EXPERTISE AND EXCELLENCE