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De Beers Is Offering Big Discounts on Low-Quality Diamonds

Lower prices at a De Beers sale is unlikely to make a difference at the consumer level.

De Beers Is Offering Big Discounts on Low-Quality Diamonds
A pedestrian walks past a De Beers SA store in Hong Kong, China. (Photographer: Calvin Sit/Bloomberg)

(Bloomberg) -- De Beers made steep cuts in the prices of low-quality stones at its sale this week, according to people familiar with the situation.

The world’s biggest producer reduced prices as much as 10 percent for low-quality stones, said the people, who asked not to be identified because the sales are private. It’s the latest sign that the bottom end of the market is in turmoil.

De Beers sells rough diamonds to trade buyers who cut, polish and manufacture them into the polished stones sold in jewelry stores. While there is some correlation between rough and polished prices, lower prices at a De Beers sale is unlikely to make a difference at the consumer level.

Even so, U.S. retail jeweler shares moved on the news, with shares of Tiffany & Co. and Signet Jewelers Ltd. declining on Monday.

The business of low-end diamonds, which tend to be small and flawed, is struggling because of too much supply. Major cutting centers, such as Surat in India, have been squeezed by lower profit margins and the depreciation of the rupee.

De Beers Is Offering Big Discounts on Low-Quality Diamonds

There’s also concern that De Beers’s launch of man-made gems will add competition, especially at the bottom end of the market. But there’s no indication this has hurt demand so far.

De Beers is famous for its tight control over the diamond market. It sells gems at 10 sales a year in Botswana to a select group of customers. The buyers are expected to specify the number and type of diamonds they want, and then carry out the purchases at a price set by De Beers.

Usually buyers are required to take any gems offered for sale, but there are signs that’s starting to loosen. In September, the company took the rare step of allowing its customers to refuse to buy some lower-quality stones.

Under that deal, buyers, known in the industry as sightholders, still had to purchase their quota of gems before the end of the year. The price cut this week makes it easier for them to buy their allocation.

While De Beers routinely changes prices at its sales, it has historically favored restricting supply as a tool to manage the market. Since it never publicizes pricing, it’s impossible to know when it last dropped prices so much. The last major reductions were in early 2016 amid a credit crunch across the industry and waning demand in China. However, those price cuts were in single percentage figures.

To contact the reporter on this story: Thomas Biesheuvel in London at tbiesheuvel@bloomberg.net

To contact the editors responsible for this story: Lynn Thomasson at lthomasson@bloomberg.net, Nicholas Larkin

©2018 Bloomberg L.P.