ReuvenVeksler  lumikha ng bagong artikulo
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The Big Four: Valuation Differences Between Diamond, Ruby, Sapphire, and Emerald | #loose gemstones

The Big Four: Valuation Differences Between Diamond, Ruby, Sapphire, and Emerald

The Big Four: Valuation Differences Between Diamond, Ruby, Sapphire, and Emerald

This article outlines the key factors influencing valuation across the Big Four, focusing on how clarity, color, treatments, and provenance are weighed differently depending on the stone.