Although the unbeaten Lightning Roses from Bloemfontein will go into the second semi-final of the Netball Grand Series as the outright favourites on Saturday, the fourth-placed team on the log, Black Diamonds, have the ability to ensure an intriguing semi and even cause an upset if they hit their straps.

The second-placed Galaxy Blues advanced to the finals of the Netball Grand Series when they beat the Starlight Jets 43-36 in the first semi-final in Pretoria on Saturday.

The experienced and star-studded Galaxy Blues will start as favourites when they face the Starlight Jets in the first semi-final of the Netball Grand Series competition in Pretoria on Saturday.

The Black Diamonds achieved their needed two bonus points in a close contest with the Starlight Jets, who won 49-46 in Kempton Park, and that was enough to see the Soweto side clinch the fourth semi-final berth in the first Netball Grand Series competition this weekend.