Help with round cut lab grown diamonds

Hi Joe,

I was wondering if I can get your help with picking a round diamond of the options listed below? I’m looking for something under $1k AUD ideally and looking for the one with the most brilliance and sparkle. Thank you so much for your help.

[1] 0.85ct E VS1 | AU $870 – https://novitadiamonds.com/engagement-ring/create/diamond?current-screen=screen-diamond-detail&diamond-selection=2097911

[2] 0.83ct F VVS1 | AU $921 – https://novitadiamonds.com/engagement-ring/create/diamond?current-screen=screen-diamond-detail&diamond-selection=894719

[3] 0.81ct D VS2 | AU $910 – https://novitadiamonds.com/engagement-ring/create/diamond?current-screen=screen-diamond-detail&diamond-selection=957641

[4] 0.81ct F VS1 | AU $880 – https://novitadiamonds.com/engagement-ring/create/diamond?current-screen=screen-diamond-detail&diamond-selection=2296860

[5] 0.80ct D VS1 | AU $890 – https://novitadiamonds.com/engagement-ring/create/diamond?current-screen=screen-diamond-detail&diamond-selection=1996868

[6] 0.79ct G VVS2 | AU $859 – https://novitadiamonds.com/engagement-ring/create/diamond?current-screen=screen-diamond-detail&diamond-selection=2304549

[7] 0.77ct D VS2 | AU $921 – https://novitadiamonds.com/engagement-ring/create/diamond?current-screen=screen-diamond-detail&diamond-selection=2168028

[8] 0.77ct E VVS2 | AU $890 – https://novitadiamonds.com/engagement-ring/create/diamond?current-screen=screen-diamond-detail&diamond-selection=2285805