Gentlemen:
Here is another site corroborating my belief that fancy yellows are not as valuable as great whites:
langerman-diamonds.com
More stuff about colour than you likely care to know. Note the last section at the bottom in particular: langerman-diamonds.com
Several famous yellows are listed here: langerman-diamonds.com
It seems their prices, for gems weighing over 100 carats peak around $30,000 per carat. (See the Allnatt and the Mouna.) The Incomparable, a 407-carat behemoth, was listed for auction twice with a $20-million reserve, about $50,000 per carat, but failed to sell each time.) The Porges, a 75-carater, sold in 2004 for about $10,000 per carat, or about $20,000 per carat today.
It takes no effort to find whites selling for much more. Lucara sold a 135 carater for $6.37-million this year, nearly $50,000 per carat. In fact, it sold a total of 30 diamonds for an average of $30,000 per carat. That's just one company, one mine and less than one year.
Oh -- and those white prices are for rough. The yellow prices above are for polished stones! |