He has been beaten on a 3-2 split decision against Indonesia's Aldoms Suquor in the last 64.
Earlier this year he secured a bronze medal at the European Games.
He beat Spain's Martin Molina Salvador on a split decidion in their light-flyweight boxing quarter-final in Minsk.
Buckley then advanced to the semi-finals but lost out along with Michael Nevin and Grainne Walsh.
The Wicklow native won Ireland's first medal at this Games.
EirGrid Seeks Views On New Substations For North Wicklow
The North Wicklow Reinforcement Project will reinforce the electricity grid in North Wicklow, ensuring sufficient capacity is available for future increased demand.
Wicklow Receives 363 Applications For Vacant Property Refurbishment Grant
Over 120 previously vacant and derelict properties have been restored to residential use across Wicklow through the Vacant Property Refurbishment Grant
Storm Austen Warning for Wicklow With Heavy Rain Bringing Flood Risk
Difficult driving and localised flooding are possible from 7pm Thursday, with more wet and windy weather lined up for the bank holiday weekend.
Man In His 60s Dies After Truck And Car Collide On N81
Enniskerry’s Lara Gillespie Crowned World Champion In Shanghai
Wicklow rider adds a second rainbow jersey to her elimination title and becomes the first Irish cyclist outside paracycling to win two world titles
8:00pm - 10:00pm
Love Songs on the Coast
Heavy rain shower
High: 11°C | Low: 6°C
Heavy rain shower
High: 12°C | Low: 6°C
Light rain shower
High: 11°C | Low: 4°C
Light rain shower
High: 10°C | Low: 4°C
Heavy rain shower
High: 12°C | Low: 4°C
