DIAMOND & PRECIOUS STONE and JEWELRY AUCTIONS
ARTHILL auctions offer internationally certified diamond and precious stone collections selected from world diamond exchanges. Each of the precious stones, such as Diamonds, Emeralds, Rubies, and Sapphires, specially selected for "ARTHILL" by expert gemologists and appraisers, possesses the most valid and reliable "INTERNATIONAL" certificates, detailing the value and quality of the stones according to world standards, known as the 4C standard "carat, cut, color, clarity", and specifying all stages the stone has undergone.

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