A suite of sapphire diamond and pearl jewellery. Photo Christie's Image Ltd 2010

Comprising a necklace mounted with fifteen oval-shaped cabochon sapphires each with pavé-set diamond cap suspended from a line of pavé-set diamond barrel-shaped links, with opposing pearl and sapphire bead accents to the circular pavé-set diamond terminals and five row sapphire bead backchain; with matching bracelet, ear pendants and ring, the sapphires weighing a total of 587.66 carats, the diamonds weighing a total of 24.38 carats, necklace 43.0cm long, bracelet 17.5cm long, ear pendants 5cm long, ring size 6¼, stamped "PT900" and "18K". Estimate $65,000 - $75,000. Price Realized $146,500

Accompanied by report no. 5111691249 dated 8 February 2010 from the Gemological Institute of America (GIA) stating that the ring contains a sapphire of Burmese origin, with no indications of heating (4)

Christie's. JEWELS AND WATCHES: THE DUBAI SALE. 28 April 2010. Jumeirah Emirates Towers Hotel. www.christies.com