Girard Perregaux pocket watches hold hidden treasures, but determining their true value requires expert knowledge and careful authentication. Discover how to…

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Navigate the intricate world of jewelry appraisals with our 2024 guide, unveiling secrets that could dramatically impact your treasures’ worth.

Mysterious variations in diamond grading between GIA and IGI can significantly impact your purchase. Discover the crucial differences and why they matter.

Only experts know the truth about pearl authentication—discover the vinegar test controversy and uncover alternative methods that could save your investment.