How to Take the Perfect Diamond Photo with your Phone
In this article, we give you important photography tips when using your mobile phone camera, including what to avoid, to create the most authentic image of your fancy color diamond.
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Pre-Auction Analysis: 2016, Sotheby’s Hong Kong
According to our Rarity Evaluator this rare diamond receives a “One of-a-kind” grade. New pink (or purple pink) diamonds in the intense grade above 5 carat come into the market once every few years. Internally flawless pink diamonds represent 7% of all pink diamonds
Pre-Auction Analysis: Christie’s Hong Kong 2016
This 5.03 carat Fancy Vivid Green diamond is one of the largest Vivid Green diamonds seen at auction in recent years. Though the GIA generally employs softer grading criteria when determining a stone’s intensity level, this Vivid Green diamond exhibits a relatively high inner grade (grade 3).
Post-Auction Impressions: Sotheby’s Hong Kong
Noticeable discrepancies between live and in person auction house diamonds can create a bit of controversy. When a customer buys a high quality, fairly priced stone in retail and later sees what appears to be a comparable stone in an auction catalogue for a significantly lower price, it disappoints the owner.
Pre-Auction Analysis: April 19th 2016, Sotheby’s New York
Today on Tuesday, April 19th, Sotheby’s will feature a selection of fancy color diamonds.
Using the Right ‘Tool Box’
Whether you are a diamond dealer or a sales person in a jewelry store, the 4C’s system is the first and only methodology used for classifying colorless diamonds. Efficient and easy to employ, each category in the system has its own hierarchy. Once its basic principles are understood, anyone can evaluate a colorless diamond accompanied with a report.
‘Bubbles’ in Diamonds?
Although this article does not discuss fancy color diamonds it is a relevant topic for all diamond industry professionals, as this phenomenon is very common in fancy color, particularly in pink diamonds.
Not My ‘Type’: Common Misconceptions About Type IIa Pink Diamonds
The romance around Type IIa diamonds first began when scientists found a link between diamonds sourced from the legendary Golconda mine in India and the fact that stones hailing from this area were commonly Type IIa. As we all know by now, the collective assumption is that Type IIa diamonds – which are distinguished for their absence of nitrogen – are known to be more ‘white’ than most D color diamonds.
Pre-Auction Impressions: Christie’s Geneva
Today Christie’s will feature a 16.08 ct, cushion-shaped, Fancy Vivid Pink, VVS2 diamond. The high estimate is $1.7 million per carat.
Pre-Auction Impressions: November 11th 2015, Sotheby’s Geneva
On November 11th, Sotheby’s will feature ‘The Blue Moon’, a 12.03 ct, cushion cut, Fancy Vivid Blue, IF diamond. Only once every three or four years do we see an important blue stone of this caliber at auction. The high estimate is $4.5 million per carat.