Pre-Auction Analysis: December 7th, 2022, Sotheby’s NY
Pre-Auction Analysis: December 7th, 2022, Sotheby’s New York, Magnificent Jewels Our Sotheby’s New York Pre-Auction Analysis focuses on elements that are not always visible to the untrained eye. We discuss characteristics such as Inner-Grade, Color Dispersion, and Undertone – collectively termed IDU. Professionals use the IDU method intuitively when analyzing a Fancy Color Diamond. The […]