Imperialgemskingdom

1 pcs Pink Sapphire - 1.67 ct - Asian Institute of Gemological Sciences (AIGS) - ミルキーサファイアの手触り

1 pcs Green Emerald - 2.04 ct - Gem research Swiss Lab (GRS)

1 pcs Blue Sapphire - 4.60 ct - Lotus Gemology

1 pcs Green, Yellow Demantoid - 6.56 ct - Gemological Institute of America (GIA) - GIAレポート：色の変化