GIA is the world's most prestigious training and assessment institute for diamonds, gems and pearls. GIA's “4Cs” and International Diamond Grading System are the most popular, reputable and worldwide standards for evaluating diamond quality. The world's most respected jewelry retailers, museums, auction houses and private collectors rely on GIA-trained experts to evaluate, grade, and inspect their gemstones. . They recognize the importance and absolute confidence in the complete, unbiased, scientific information in gem evaluation provided by GIA. Continue reading

World Gold Council - WGC, the World Gold Council is the organization that leads the Gold Industry around the world.

The work of the World Gold Council is to stimulate and sustain gold demand, to lead the gold industry from mining to gold investment and to be the global organization of the gold market.

The World Gold Council is a unique organization that brings tangible benefits to the gold industry, setting international standards for Jewelery Gold Content .

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