One carat diamond solitaire ring in 18 carat gold

An 18 carat yellow and white gold solitaire ring with a brilliant cut diamond. 

The diamond is 1.06 carat, SI1 in quality and I in color. The ring weighs 3.5 grams. 

The ring size is 17.75 mm, the size can be modified if necessary. 

The ring is in very good condition and comes with the origional European Gemmological Laboratory certifictae from Antwerp issued in the year 1979.