GENEVA: A dazzling blue diamond once owned by mining magnate Philip Oppenheimer etched a record $50.6 million (45 million euros) at auction in Geneva Wednesday, auction house Christie's said.
GENEVA: A dazzling blue diamond once owned by mining magnate Philip Oppenheimer could fetch a record sale price, with auction house Christie's hoping it tops the staggering $48.4 million mark set last year.