Phoenix Suns coach Monty Williams is grateful to have shared a career highlight with Chris Paul after securing a place in the Western Conference Finals.

Second-seeded Suns beat the Denver Nuggets 125-118 on Sunday to seal a 4-0 series win in the Western Conference semi-finals, with newly crowned MVP Nikola Jokic ejected for a flagrant 2 foul in the third quarter.

Vital for the Suns were the contributions of Paul and Devin Booker, who accounted for 71 of their total points – the former top-scoring with 37.

Williams wrapped Paul in a warm hug at the end, the two sharing a bond from their days working together at the New Orleans Pelicans.

Paul was also there for Williams when the coach lost his wife in 2016, and for the latter, the current successes mean that much more when shared with someone so important.

"The emotions are happy, grateful, tired, relieved," Williams said. "It's one of those moments for me that quite frankly I never thought I'd have a chance to experience. For me, I have a level of gratitude I can't even explain."

He added: "Chris has meant so much to my career, he's meant so much to my life. The darkest moment of my life Chris was right there and one of the highlights of my career, he's right there.

"That's where it is right now. I'm not really good at waxing eloquent about how I feel other than just telling you I just feel grateful for this opportunity and to be on this team and in this moment and have a chance to move forward."

The feeling was mutual for Paul, who was similarly delighted to be on such a road with Williams given their close bond.

"Monty has been through things in his life that a lot of people don't necessarily come back from," Paul said.

"Basketball aside, he means so much to me and my family. So, to be on this journey with him and to see it paying off is nice.

"We're a lot alike. We stay locked in. I don't feel good until the buzzer sounds. Monty's the same way. When the series is over, and the game is over, it's nice to share those moments."