Christie’s Hong Kong to Auction Renowned Diamond, ‘Jonker No. 5’

World News
14/03/2017 14:01

Christie's Hong Kong will auction two exceptional articles at the Spring Sale of Magnificent Jewels on May 30. One extraordinary piece is the Emerald and Diamond Palmette Necklace, while the other is the renowned and stunning Harry Winston Jonker V. The 'Jonker No. 5' is part of a legendary collection of 13 stones fashioned from one of the most famous diamonds in history: the 726-carat piece of rough discovered by Jacob Jonker in South Africa in 1934, which at the time was said to be the fourth largest gem-quality diamond ever recovered.

It was eventually acquired by De Beers chairman Sir Ernest Oppenheimer, and was sold in 1935 to Harry Winston, who displayed it during the Silver Jubilee Celebrations of the Coronation of King George V and Queen Mary later that year. Winston’s company studied the rough for months before they had Lazare Kaplan cut it into an assembly of 13 exquisite diamond stones. The Type IIa stone is D color, VVS2 clarity, rectangular-cut and weighs 25.27 cts. It carries an estimate of $2.2 million to $3.6 million, but is expected to fetch more.

Also up for sale, writes Roberta Naas for Forbes, and expected to sell for between $3.6 and $5 million, is the Emerald and Diamond ‘Palmette’ Necklace. The piece was designed by Edmond Chin for the House of Boghossian. The shimmering necklace features diamonds and emeralds in a repeating "palmette"  motif. There are 11 perfectly matched "no oil" Colombian emeralds in the necklace. Often, emeralds are polished with an oil (colorless cedar oil or other substances) to hide flaws or enhance color, but a preferred emerald is a totally oil free stone.