These earrings by Van Cleef & Arpels, featuring the same design as a pair worn by Princess Grace, are up for auction at Woolley & Wallis.
De Beers Sales Rise on the Back of US Demand
The company acknowledged, however, that demand for lower-end goods is faltering due in part to the weakening of the Indian rupee.

Gaborone, Botswana—Consumer demand for diamond jewelry in the United States continues to support the sale of rough diamonds by De Beers Group.
The diamond miner and marketer reported this week that it sold $475 million in rough to sightholders and via its auction platform in the eighth sales cycle of the year, up from $376 million in the eighth sales cycle of 2017.
CEO Bruce Cleaver said demand has dropped for lower-end goods because of the rupee-dollar exchange rate.
The rupee has hit record-low levels against the dollar in recent months; as of Wednesday afternoon, 1 rupee was worth about 0.014 U.S. dollars (diamonds are bought and sold in U.S. dollars worldwide.)
But Cleaver added that overall demand is steady, reflecting ongoing consumer demand for diamonds in the U.S. market.
In announcing its results for the latest sales, De Beers also announced a downward revision of rough diamond auction and sightholder sales for the seventh cycle, from the $505 million reported last month to $503 million.
Here is a chart showing how De Beers’ 2018 rough diamond sales stack up to 2017 so far this year.
To date, sales have totaled $4.41 billion, on pace with last year.
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