Collombian Emerald and diamond ring

18 carat white gold ring set with 48 brilliant cut diamonds and an Colobian Emerald measuring 5.70 x 5.20 x 3.45 mm.
The ALGT certificate states that the total diamond weight is 0.55 ct.
And the weight of the Colombian Emerald is 0,77 ct.
The emerald displays an intens green colour and an excellent jardin.
The white diamonds are of excellent F-G colour and VS-Si clarity.  
Ring size 17 ¼,mm (cross section), 53½ mm (circumference), US size 6¾, UK size N½ resizing possible.