76 Ct D/IF Diamond Sold for $282,545 P/C, Doubled its Value in 20 Years

The diamond was previously auctioned at Christie's Geneva in 1993 for $6.5 million, or $10.4 million in today’s value. This is a 106.2 percent appreciation in 19 years.

Christie's Geneva auction of Magnificent Jewels succeeded to sell 19 lots for more than $1 million. Among them a 3.33 carats shield-shaped Fancy Intense blue, SI1 clarity diamond brooch that sold for $2,467,645 ($740,000 p/c) to a European trader.

A 12.62 carats brilliant-cut D / VVS1 diamond ring by Van Cleef & Arpels sold for $1,640,525 ($130,000 p/c) to private Asian buyer.

A 21.85 carats pear-shaped D / VVS2 diamond fetched $79,700 p/c.

The Auction totaled $85.1 million, selling 84 percent by lot and 86 percent by pre-auction estimated value.

"This extraordinary result, combined with the total achieved for the category in May, concludes the most successful year for Christie’s Jewellery department in Switzerland, with annual sales exceeding SFr.183.9 million ($195.2 million)," the auction house said last night.

Some 147 buyers from 28 countries participated in the auction.