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


The article has been sent to your email address. Enjoy!


Read This One Article For Free

Fill out the info and a link will be sent to
you. Your data will be kept safe with us.

All fields are required except for company name.
People who read this article, also read:
FCRF Insights
8 Things Your Client Needs to Know Before Buying a Fancy Color Diamond
Don’t Do 1. Don’t put too much emphasis on Polish, Symmetry and Clarity. These parameters were made first and foremost for colorless diamonds. The value of a fancy color diamond is determined above all by its beauty, quality of color and rarity. Color retention is a top priority when polishing a Fancy Color Diamond while […]
Research & Studies
Fancy Color Diamonds, A Guardian Angel for the Next Generations
The COVID-19 pandemic brought with it unprecedented chaos. Angry mobs looting Fifth Avenue stores and a complete lack of clear governmental policy has left many high-net-worth individuals with a feeling of uncertainty, tempting investors to seek out portable forms of wealth. During this period of upheaval, and in light of the attention the Fancy Color […]
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 […]
x close

To continue reading this article


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