hong kong. in case you haven't heard, there will be a wedding here in london in eight days time. the bride to be is sporting an impressive ring as well. copies of that ring are in high demand. >> reporter: michael, thank you so much for being with us, ceo of the natural sapphire company. has the royal engagement helped your business in any way? >> in 2008, we were under tremendous pressure and financial problems were everywhere. now two short years later, it's a total reversal for us. >> reporter: was the hype then the same or is there more hype now? >> the demand was strong but i don't think the demand has ever been so strong for sapphires since the engagement of kate middleton. >> reporter: 1981 the ring was valued at $50,000. what is the value right now. >> the value of the ring that kate middleton wears on her hand is estimated at millions of