Pre-Auction Analysis: May 2017, Christie’s Hong-Kong

By The FCRF team | 29.05.17
Pre-Auction Analysis: May 2017, Christie’s Hong-Kong

Christie’s Hong Kong pre-auction analysis

This pre-auction analysis will focus on visual elements that are not expressed on the GIA report, as well as other general observations that won’t appear in the catalog, such as Undertone, Color Dispersion, and Inner-Grade (UDI). We use grades 1, 2, 3, and 4 to describe these features. . Stones with a total quality score that ranges from 8 to 12 are considered to be top gems and are suitable for high-end jewelry, collectables, and so on.

 

It is often difficult to identify these characteristics when viewing fancy color diamonds in an auction catalog or online, especially when the images are heavily processed. All images in this review were taken with an iPhone 7.

 

Important note: We strongly recommend downloading the beta version of the new FCRF app and using the auction calculator. This app lets you calculate your bidding price (per carat), including the house commission, as you follow the lot.

 

 

Lot No’ 1941

3.37 carat fancy intense blue hexagonal shape diamond, I1

High catalog estimation: US$237,400 per carat

Low color dispersion is inherent in very flat diamonds (with low depth percentage) and color manipulation is very challenging in shapes such as hexagon. Having said that, however, this rare blue diamond has a relatively decent color dispersion, considering these circumstances.

 

The inner-grade is above the average intense blue, and the undertone has a low gray influence. Inclusions in ...

Enter your details to read this article for free
All fields are required.
People who read this article, also read:
FCRF Insights
My Fancy Color Diamond of the Decade
Ephraim Zion, Dehres “One of the most beautiful diamonds that I’ve seen during the last decade is a 1.10 ct cushion fancy vivid green, with the deepest and rarest color. The most obvious characteristic of this colored diamond is its saturation and brightness. To find diamonds in such a unique and vibrant green color is […]
Research & Studies
The Next Era of Fancy Color Diamond Supply
Secondhand market takes the lead over mining  Over the last decade, traditional mining has failed to satisfy the market demand for exceptional Fancy Color Diamonds. At the same time, following the natural succession of generations, the pre-owned market for rare Fancy Color Diamonds seems to be taking the lead. The low volume of exotic, unearthed […]
FCRF Insights
A blocked Stone Report
A GIA report with a mixed format was sent to the FCRF by one of our members. We were asked to clarify this interesting grid, as the GIA doesn’t attach an explanation for these rarely seen reports.
x close

To continue reading this article

Or

Shopping Cart

You cart is empty

+
Apply for Membership

Become a part of our community and get unlimited access to all of our innovative Tools and Articles

The FCRF App is now available for
Download Button
Continue To Website