A diamond and coloured diamond collar necklace, the front of the necklace mounted with a round brilliant-cut Fancy Intense Yellow diamond weighing 1.81 carats, flanked by a pair of round brilliant-cut diamonds weighing 0.78 and 0.74 carats each, the triple fine-link neckchain composed of sixteen diamond-set bar spacers, remaining diamonds approximately 2.50 carats total, mounted in 18 carat white gold, length 39.0 cm, adjustable. Accompanied by a report from the Gem Studies Laboratory (GSL), Australia, stating that the diamond weighing 1.81 carats is Fancy Intense Yellow, VS2 clarity. Report number AA50935/12, dated December 13 2012. Also accompanied by two reports from GSL stating that the diamonds weighing 0.78 and 0.74 carats are J and K colour, VS1 and VS2 clarity. Report numbers AA50935/11 and AA50935/10, dated December 13 2012.