Four of Saturday's six grand finals at Lauren Jackson Sports Centre feature two Victorian sides, with the chance to make it five if the state's under-16 boys can prevail.

The Victorian Goldminers will meet the Victorian Bushrangers in the under-18 boys battle for gold after both secured hard-fought victories against NSW opponents.

A 92-76 result against the NSW Kookaburras saw the Goldminers through, while the Bushrangers were pushed all the way by the NSW Waratahs, but got across the line, 83-74.

The same sides will meet in the under-18 girls grand final after the Goldminers took care of the NSW Waratahs, 77-50, while the Bushrangers edged the NSW Kookaburras, 76-68.

Both matches start at 1pm.

NSW Waratahs produced a 76-49 result against the Victorian Bushrangers to reach the under-16 boys decider.

Joshua Dent (16 points), Cameron Doust (14 points) and Tobias Delaney (13 points) all reached double figures.

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They'll meet the Victorian Goldminers after they scored a 72-67 victory against the NSW Kookaburras.

Jack Connolly was the standout with 24 points, while Brendan Palmer netted 23 for the Kookaburras.

The Albury-Wodonga under-16 boys downed New Zealand Weka in their ranking match, 83-47.

Ben Ferguson scored 19 points, while Sebastian Sproule and Liam Brady each contributed 13.

It was the Border side's fourth win of the week from seven games.

In the under-16 girls, the Victorian Goldminers and Victorian Bushrangers will battle for state bragging rights after comfortable semi-final wins.

The Goldminers saw off the NSW Kookaburras, 92-57, the Bushrangers beat the NSW Waratahs, 88-46.

Both under-16s gold medal games will be played at 11am.

The Victorian Goldminers and Victorian Bushrangers will square off in the under-14 boys grand final.

After a tight first half, the Bushrangers notched an impressive 74-54 victory against the Tasmanian Tigers, led by a 37-point haul from Wodonga's Harry Stripeikis.

Stripeikis has been one of the players of the tournament, averaging more than 25 points per game.

The Goldminers ensured it would be an all-Victorian blockbuster on the final day with a 77-47 triumph over the South Australian Magpies.

It's an all-Tasmanian grand final in the under-14 girls.

The Tasmanian Tigers got past the Victorian Goldminers 53-33 in their semi-final, setting up a meeting with the Tasmanian Devils, who demolished the South Australian Sharks, 76-25.

Tip-off for both under-14 deciders is at 11am.

While they are ineligible for the medal matches, the Albury-Wodonga invitational under-14 girls side scored their sixth win of the week with a 72-37 salute against the NSW Ospreys.

Kate Evans and Ellie Lyons led the way in scoring with 16 and 15 points, respectively.