Despite the setback, the Sotheby's sale totaled more than $30 million, with 93% of lots sold. It was the highest participation in a Geneva jewelry sale in five years

Christie's says a 5.5-carat triangular-cut diamond billed as the largest fancy vivid blue-green diamond known to exist has sold for more than 13.5 million Swiss francs or $17.3…

Despite the setback, the Sotheby's sale totaled more than $30 million, with 93% of lots sold. It was the highest participation in a Geneva jewelry sale in five years