Atypical Freshwater Cultured Pearls with Damaged Nacre
Examination of four baroque-shaped pearls with damaged nacre layers.
ファンシーイエロー・ケープダイヤモンドの中に魚のような内包物を発見 (英語)
A recent lab examination at GIA New York revealed an inclusion in a rectangular Fancy Yellow called "pareidolia," which means it was a resemblance of the scales and form of a fish.
Rare Faceted Neptunite
Raman spectroscopy reveals orangy red neptunite in identification of a 11.78 ct faceted “black” octagonal modified step-cut stone.
A Large Irradiated Green-Yellow Diamond
