Aquamarine’s Definitive Color Grading Standard Unveiled
AIGS Unveils Revolutionary Santa Maria Aquamarine Color Code: Standardizing Gemstone Grading In a significant stride towards greater transparency and objectivity within the global gemstone market, the Asian Institute of Gemological Sciences (AIGS) has proudly launched what it believes to be the first truly standardized color code specifically for aquamarine. This groundbreaking initiative marks a pivotal … Read more