Carey broke up with her ex-fiancé James Packer in October.

Rosado told Vogue, "I took the standards super high, and I wanted to create a ring that could not be measured up to.

We have the same taste, and when it came down to it, I really wanted to create something for her that was about new beginnings.

Packer is listed as Australia's fourth-richest man, worth $3.8 billion, according to The design and construction took two weeks and an “army of craftsman” that included measurement specialists and an expert well versed in the handling of such a large stone, according to the ring's designer, Carey's friend and jeweler, Wilfredo Rosado, in an interview with .“I took the standards super-high, and I wanted to create a ring that could not be measured up to,” Rosado said.

So far, Carey has not posted about her engagement on her social media.

Celebrities like Mariah Carey cannot sustain to be single for long time.

Currently she is trying to show to her ex that she is gleeful without him.

But there is no doubt that Carey and Packer have been an item for more than a year, although they haven't been seen in public that much.

in November 2015 when she was promoting her Christmas TV movie special. Carey has 4-year-old twins, Monroe and Moroccan, with second husband Nick Cannon.

After this nick was very open in doing gossip about her that what impression she had made on him when they both met.

Consequently, the couple got married and welcomed two twin children’s in same year of wedding. The reason behind this divorce was that Nick cheated on her.

Packer, a friend of Tom Cruise and former Scientologist, has three children with his second wife, model and singer Erica Baxter, two daughters and one son, all under age 8.