Latest Rapaport report says outlook for festive period is mixed.
Facility to lead dedicated research in historical pearling nation.
Show welcomes 42,000 visitors; toasts young design talents.
Diamonds greater than 10.8ct featured; Israel leads successful bids.
Paul Rowley accepts vice president's role in global sightholder sales.
Brit designer travels to Africa during creation of spiked neckpiece.
But miner says future is bright with growth opportunities in sapphire.