The Gemological Institute of America (GIA) recently examined a pair of earrings it found to contain two assembled pearls with each base showing distinct layers of materials.
The button-shaped, 7.40- and 9.37-carat pearls recently…
The Gemological Institute of America (GIA) recently examined a pair of earrings it found to contain two assembled pearls with each base showing distinct layers of materials.
The button-shaped, 7.40- and 9.37-carat pearls recently…