18K (750) white gold wire ring, set with a rectangular emerald surrounded by round brilliant-cut or old-cut diamonds. Finger size: 55-56. Emerald size: 11.8 x 10 x 5.3 mm. Gross weight: 8.27 g (chips) The emerald is accompanied by a GEM-Paris report (2017) attesting: origin Colombia, modification by moderate oil impregnation not affecting the stone's appearance. An emerald (Colombia, moderate oil) and diamond ring