will this diamond be very sparkly?

Will this diamond have a lot of sparkle and beauty? The black in the video really throws me for a loop. Also that small line (needle)? near the facet, is that a worry?

https://preview.redd.it/9ra9x0y1fokg1.png?width=1356&format=png&auto=webp&s=d641fbd3b8f72ef7cbd2135943276dfa10abff54

https://reddit.com/link/1ra039f/video/jvbpzjl7fokg1/player