YNY Jewels: Designer Surbhi Pandya
Handcrafted jewelry pieces featuring tanzanite carvings stood out at the GJX show.
Zeki Karaca Jewelry: Luxury Pens
One-of-a-kind bejeweled pens from Zeki Karaca caught the attention of attendees at the GJX show.
Ruby with Interesting Synthetic Overgrowth
Microscopic examination of a ruby at the Carlsbad laboratory reveals synthetic overgrowth indicative of high-temperature heat treatment.
Gemological Characterization of Montana Sapphire from the Secondary Deposits at Rock Creek, Missouri River, and Dry Cottonwood Creek
Examines the mining history and geological characteristics of the three secondary sapphire deposits in the state of Montana, as well as the properties of these sapphires (unheated and heat-treated).
“Atypical Beads”: Variations of Two Types of Nuclei
Four atypical bead cultured pearls with variations on two types of nuclei are examined in the Mumbai laboratory.
HPHT-Grown Colorless Diamond Displaying Unusual Phosphorescence Effects
Study of phosphorescence produced from visible light suggests future difficulty in accurately assessing bodycolor of HPHT-grown diamonds.
A Gastropod Shell in a Unique Shell Blister
GIA’s Mumbai laboratory encounters a unique example of a shell blister encompassing a gastropod shell.
Color Study of Fancy Sapphire from Greenland
The Bangkok laboratory identifies the chromophores responsible for the fancy colors observed in treated sapphire from Aappaluttoq, Greenland.
Bright Orange Sapphire from Greenland
A transparent bright orange sapphire from Greenland stands out at the AGTA show in Tucson.
Morphology of Colombian Emerald: Some Less-Common Cases and Their Growth and Dissolution History
Evaluates the growth mechanisms of special morphological features in Colombian emerald, including possible relationships to trapiche emeralds and samples displaying the gota de aceite effect.
CVD Diamond Over 34 Carats Examined in GIA’s Hong Kong Laboratory
A look at the largest CVD diamond GIA has encountered to date.
GIA所有珍珠报告引入「孔雀绿」颜色范围注释
GIA美国宝石研究院将引入一项报告注释，在用黑蝶真珠蛤（Pinctada margaritifera）培育的养殖珍珠(一般称为大溪地珍珠)指定色彩中加入珍珠行业常用的色彩词汇「孔雀绿」（Peacock）。
GIA所有珍珠报告引入「孔雀绿」颜色范围注释
GIA美国宝石研究院将引入一项报告注释，在用黑蝶真珠蛤（Pinctada margaritifera）培育的养殖珍珠(一般称为大溪地珍珠)指定色彩中加入珍珠行业常用的色彩词汇「孔雀绿」（Peacock）。
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