"I would just like to say a big thank you to all the staff, they have been amazing throughout."
GB finished with two wins from nine games, losing against both of the finalists on their way to eighth spot in their first season of Division A basketball.
Ella Clark led the tournament in blocked shots, averaging 1.8 per game, and she added 6.6 points, 6.1 rebounds and 1.4 assists per game.
Clark is one of five players in this summer's squad who are still eligible for next year's tournament, including the teams leaders in most categories.
Despite missing two games in the European Championships this year due to injury, Temi Fagbenle led the team in scoring with nine points per game, and rebounds with 8.3 boards.
Renee Busch also dished out a team-high 2.1 assists per game, adding 7.7 points, while Dee Hayward had two steals per game to go with her 5.6 points.
Spain completed an unbeaten summer to beat defending champions Russia 62-53 in Sunday's final.
Tournament MVP Queralt Casas had 21 points to lead Spain, who proved too quick and nimble for their opponents.
Russia made a fight of it for three-quarters, but then saw Spain outscore them 20-13 in the final stanza to take gold.
The victory saw Spain take revenge for their defeat to Russia in last year's final.
Spain finished the first quarter on top 16-10 and, after allowing Russia to close the gap slightly, reeled off an 8-0 run, capped by Amaya Gastaminza's lay-up, to go 24-14 ahead.
Russia, feeling the full force of Spain's pressure defence, hoisted up eight three-point attempts in the first-half alone, but missed all eight. When Alexandra Tarasova's came back off the rim to end the second half, they trailed 29-21.
Russia scored the first seven points of the second half to close the gap to one on Yana Panevina's three-pointer.
But, Spain's harrying defence forced turnovers and they moved back out in front, 50-43, on Laura Gil's lay-up with seven minutes left.
Lay-ups from Leonor Rodriguez and Casas put Spain back up by double figures as they moved 54-43 ahead.
Casas then made it an 11-0 run with a huge three-pointer as the clock ticked less than three minutes.
Back-to-back three-pointers from Shilova gave Russia hope as they moved to within eight points (57-49) but Vega Gimeno nailed a three to push Spain clear once more, and there was no way back for Russia.
Meanwhile, Poland snatched bronze from hosts Serbia with a 67-65 win in a thrilling third-place game at the U20 European Championship Women.
Poland had blown a 10-point half-time lead to trail for most of the second half, but edged back in front with 41 seconds left and survived a last-ditch shot from Serbia's sharp-shooting Marina Markovic to take a medal.
There was also a thrilling finish to the fifth place play-off as France defeated Ukraine 63-62, thanks mainly to a superb performance from Hhadydia Minte who finished with 15 points, 21 rebounds, four assists and as many steals.
France trailed by three going into the final 67 seconds, but Minte hit a three-pointer to spark a 7-3 finish to the game.