Giorgi turned professional after eleven amateur fights and lost to Ben NTG in his debut. After initially starting out training under Richard Walsh at Five Rings Dojo, where he was a training partner of Australian great
Nathan Corbett, he later became a student of Arslan Magomedov at Scorpion Gym following a period of upheaval. He established himself domestically by capturing both the WKN and the
WMC national titles and taking wins over the likes of Bruce Macfie. Giorgi made the pilgrimage to
Thailand for the first time in 2005 and would later win the Shell Tournament at Omnoi Stadium in
Bangkok. On 9 April 2011, he rematched Bruce Macfie at
Evolution 23 in
Brisbane, Australia and won by
unanimous decision to take the WMC Intercontinental Super Middleweight (−76.2 kg/168 lb) Championship. Following this, Giorgi was selected as a participant on
The Challenger Muay Thai reality television show in
Kuala Lumpur,
Malaysia, which featured sixteen fighters from around the world competing for a
$100,000 prize. He was eliminated at the opening stage when he lost to eventual finalist
Marco Piqué on points. He was then scheduled to face the legendary
John Wayne Parr for the WMC World Middleweight (−72.58 kg/160 lb) title at
Evolution 24 in Brisbane on 3 September 2011 but Parr was forced to withdraw after suffering a hand injury in training and Nonsai Srisuk came in as his replacement. Giorgi defeated the Thai by
split decision after an entertaining, back-and-forth fight to become a
world champion for the first time. Just twenty-two days later, he was back in action in the quarter-finals of the Thai Fight 2011 70 kg/154 lb Tournament in Bangkok where he
outpointed
Vuyisile Colossa to book his place in the semis against
Abraham Roqueñi on 27 November 2011. The Spaniard hurt him twice in the second round but was unable to finish him off and Giorgi came back to steal the fight in the third, roughing up Roqueñi in the
clinch. He met Thai superstar
Buakaw Por. Pramuk in the final on 18 December 2011 and lost on the judges' scorecards. Buakaw delivered a virtuoso performance, delivering
punches to the head and body,
thips,
knees and
sweeps that Giorgi simply couldn't defend against. On 27 April 2012, Giorgi defeated Tobias Alexandersson on points on the Gold Coast to win the vacant WKN World Welterweight (−69.9 kg/154.1 lb) Muay Thai strap. He had originally been set to face
Antuan Siangboxing but he was injured and had to pull out. Two weeks later in
Melbourne, Australia, he went up against
Steve Moxon in a match that many believed would crown the country's top 70 kg/154 lb kickfighter. With Giorgi being a Muay Thai stylist and Moxon a kickboxer, the fight took place under modified Muay Thai rules which excluded
elbow strikes. Moxon floored Giorgi in the first round, but Giorgi then kept him at bay with kicks for the next four and was given the nod via split decision. In July 2012, Giorgi moved into the top ten in the middleweight world rankings for the first time in his career, coming in at #7. A rematch with Nonsai was set to go down at
Total Carnage II on the Gold Coast on 1 September 2012 but Rhyse Saliba stepped in as a late replacement for Nonsai who could not enter the country due to
visa issues, and Giorgi defeated him via a clear cut unanimous decision. Overtaken by up-and-coming European talent such as
Shemsi Beqiri,
Murthel Groenhart and
Davit Kiria, Giorgi dropped out of the middleweight world rankings in December 2012. He took on surging Thai
Aikpracha Meenayothin at
Yokkao Extreme 2013 in
Milan,
Italy on 26 January 2013 and was dropped twice in round two, once with a left
cross and then again with a high kick, causing the referee to wave off the fight. He defeated Elliot Compton at
Legacy 2 in Queensland on 22 November 2013. At
Total Carnage IV held in Gold Coast on 14 December 2013, Giorgi lost a unanimous decision to Marco Tentori. On 13 May 2016 Giorgi took TKO victory over Harald Olsen at
Thunderdome XV in Perth, Australia ==Personal life==