Figure 1. This 34 ct sapphire cabochon has a yellow pseudohexagonal window surrounded by metallic-looking material that displays asterism. Photo by Shunsuke Nagai. GIA’s Tokyo laboratory recently ...
New Delhi: The cut and polished diamonds (CPDs) sector, once a bright spot in India’s export basket, is now under pressure with CareEdge Ratings projecting a 17-20% decline in exports to around $11 ...
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