Pre-Auction Analysis: December 11th 2019, Christie’s New York, Magnificent Jewels 

By FCRF Team | 10.12.19
Pre-Auction Analysis: December 11th 2019, Christie’s New York, Magnificent Jewels 

December 11th 2019, Christie’s New York, Magnificent Jewels 

Our Christie’s New -York Pre-Auction Analysis focuses on elements that are hidden from the unprofessional eye. We will describe the important visual elements for those who cannot attend the preview and discuss characteristics such as: Undertone, Color Dispersion, and Inner-Grade (UDI; a detailed explanation appears at the bottom of this article). When we analyze and grade any Fancy Color Diamond it is always done in relation to its GIA grade.

We use grades 1, 2, 3, and 4, 1 being the lowest grade. Grade + is granted in rare cases and stands for stones with an exceptional characteristic. Stones that receive a minimum total UDI score of 8, without a red remark, are considered to be “Gems” and are generally sought after by high-end jewelry brands, collectors and the investment community.

For your convenience, we have added direct links for the GIA reports.

  • All images in this article review were taken with an iPhone 11pro, no filters were applied.
  • All auction valuations are per carat and in US Dollars.

 

Lot # 228

3.07 carat Fancy Vivid Blue, round-cornered rectangular, VVS1. High catalog estimation: $1,302,931 per carat

Market Prevalence: A similar diamond enters the market once every 3-7 years

Price Realized: $1,098,348 pc

An elongated, vivid blue cushion cut with low inner-grade. Very good color dispersion, exhibiting a solid, primary blue hue with no gray undertone. The stone has an extremely thick

+

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