See Mariah Carey's massively gorgeous 35-Carat engagement ring from James Packer

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Mariah Carey Engagement By the Numbers: See the Massive Ring!

It's no secret Mariah Carey likes the finer things in life.

So, it's only fitting that the 45-year-old singer's new stunning 35-carat diamond and platinum engagement ring from her billionaire fiance, James Packer, is the absolute best of the best.

The massive engagement ring is designed by New York-based jewelry designer Wilfredo Rosado, ET can confirm, and we also have pics of what the incredible bling looks like.

PHOTOS: Size Does Matter! The Biggest and Best Celebrity Engagement Rings

To put in perspective just how massive Carey's 35-carat engagement ring is, Kim Kardashian's much talked-about Lorraine Schwartz cushion-cut diamond ring from husband Kanye West is 15 carats -- less than half of what Carey's is. Carey also beat out Beyonce's 18-carat Lorraine Schwartz diamond ring from husband Jay Z, valued at over $5 million, as well as Kate Middleton's 18-carat heirloom ring from Prince William.

WATCH: Blinged-Out Celeb Engagement Rings by the Numbers

Rosado, a close friend of Carey's, tells Vogue that the gorgeous ring is "the most challenging piece of jewelry [he's] ever designed."

"I took the standards super high, and I wanted to create a ring that could not be measured up to," Rosado says. "I wanted to create the most gorgeous ring for my dear friend, but I also wanted to create the most stunning ring for one of the most iconic divas of our generation."

The design and construction of Carey's ring took two weeks, with those involved working 12-hour days. An "army of craftsmen," including measurement specialists and a diamond expert, were needed to create the one-of-a-kind piece.

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See Mariah Carey's massively gorgeous 35-Carat engagement ring from James Packer
FILE--Singer Mariah Carey displays the two American Music awards she received for favorite pop-rock female artist and for top adult contemorary album of the year for her "Unplugged" recording in this Jan. 26, 1993 file photo. Carey and Alanis Morissette, the young Canadian singer, got six Grammy nominations each Thursday, Jan. 4, 1996. (AP Photo/File, Reed Saxon)
Pop singer Mariah Carey displays her two awards for the best pop-rock female artist and best female in the soul rythym and blues categories during the 23rd annual American Music Awards at the Shrine Auditorium in Los Angeles, Monday, Jan. 29, 1996. Carey won awards for favorite female artist for "Pop and Rock" and "Soul/R&B." (AP Photo/Chris Pizzello)
Mariah Carey performs the opening song with Wanya Morris of the group Boyz II Men at the 38th annual Grammy Awards at the Shrine Auditorium in Los Angeles, Wednesday, Feb. 28, 1996. (AP Photo/Eric Draper)
US American singer Mariah Carey during her only concert in Germany on Friday evening, June 14, 1996, at the Frankfurt "Festhalle" auditorium. About 12,000 fans attended Carey's start of her "Daydream" tour through Europe. (AP Photo/Bernd Kammerer)
Mariah Carey performs a benefit for the Fresh Air Fund at the Cathedral of St. John the Divine in New York Thursday, Dec. 8, 1994.(AP Photo/Ron Frehm)
Mariah Carey sings at the "VH1 Divas 2000: A Tribute to Diana Ross" Sunday, April 9, 2000, in New York. (AP Photo/Ron Frehm)
Singer Mariah Carey arrives to a special screening of her first film "Glitter," Thursday, Sept. 20, 2001, in Los Angeles. Carey was attending the special screening with Make A Wish Foundation children. She portrays a rock star in the film. (AP Photo/Kevork Djansezian)
Mariah Carey makes a guest appearance during a benefit concert at New York's Madison Square Garden, Thursday, Dec. 13, 2001. Proceeds from the performance were to benefit various charities. (AP Photo/Chad Rachman)
Singer Mariah Carey arrives at the Island Def Jam Holiday party in New York, Thursday, Dec. 12, 2002. (AP Photo/Shawn Baldwin)
Mariah Carey does a television interview at the Fresh Air Fund Salute To American Heroes, at Tavern On the Green, in New York, Thursday, June 5, 2003. (AP Photo/Robert Spencer)
U.S. singer Mariah Carey arrives at the Cannes festival palace, to take part in the NRJ awards ceremony, during the Midem 2003 (International record music publishing and video music market), Saturday, Jan. 18, 2003, in Cannes, southern France. (AP PHOTO/Lionel Cironneau)
Mariah Carey, wearing a Michael Jordan (23) jersey from the Chicago Bulls performs during halftime of the 2003 NBA All Star Game in Atlanta Sunday, Feb. 9, 2003. (AP Photo/John Bazemore)
U.S. singer Mariah Carey smiles as she is welcomed by Italian designer Donatella Versace, at right, as special guest for her Spring/Summer 2004 fashion collection, in Milan, Italy, Saturday, Oct. 4 2003. Mariah Carey is presently on a world tour. (AP Photo/Luca Bruno)
Die amerikanische Top-Saengerin Mariah Carey posiert fuer Fotografen in Berlin am Freitag, 18. Maerz 2005. (AP Photo/Fritz Reiss) - - - U.S. top singer Mariah Carey poses for photographers in the German capital Berlin on Friday, March 18, 2005. (AP Photo/Fritz Reiss)
US singer Mariah Carey performs during the German television show 'Wetten Dass...?' ('Bet it...?') in Berlin Saturday March 19, 2005. '(AP Photo/Soeren Stache, Pool)
Die US amerikanische Saengerin Mariah Carey winkt, als sie zur Gala der Preisverleihung des deutschen Musikpreises Echo in Berlin am Samstag, 2. April 2005, eintrifft. (AP Photo/ Jan Bauer) --- US pop star Mariah Carey waves as she arrives for the awarding ceremony for German music award "Echo" in Berlin on Saturday, April 2, 2005. (AP Photo/ Jan Bauer)
U.S. singer Mariah Carey sings her single cut "It's Like That" during her promotional event in Tokyo, Thursday, March 31, 2005. Carey is here to promote her new release. (AP Photo/Junji Kurokawa)
Mariah Carey accepts the award for favorite soul /rhythm & blues female artist at the 33rd annual American Music Awards in Los Angeles on Tuesday, Nov. 22, 2005. (AP Photo/Mark J. Terrill)
US singer Mariah Carey poses in front of a poster of herself during a photo call for the award to recognise the global sales of seven millions copies of "The Emancipation of Mimi" presented in Munich, southern Germany, on Wednesday, Nov. 30, 2005. (AP Photo/Christof Stache)
Mariah Carey speaks to children at Madison Square Garden where "Peter Pan is being staged inNew York, Wednesday, Dec 7, 2005. Children from the Fresh Air Fund and winners selected by radio station WKTU were treated to a special holiday reading of " Peter Pan" by Carey. Mariah, who had a comeback year, is one of many artists who made some memorable music this year. So its unlikely that one name will dominate this year's Grammy nominations, which are to be announced in New York on Thursday morning. She'll also be one of the recording stars scheduled to read the nominations.(AP Photo/Stuart Ramson)
Mariah Carey performs at the 48th Annual Grammy Awards on Wednesday, Feb. 8, 2006, in Los Angeles. (AP Photo/Mark J. Terrill)
Singer Mariah Carey appears on stage during MTV's "Total Request Live" show at the MTV Times Square Studios, Wednesday, April 12, 2006 in New York City. (AP Photo/Jeff Christensen)
Singer Mariah Carey reacts to a skit at the 2006 ESPY Awards in the Hollywood area of Los Angeles Wednesday, July 12, 2006. (AP Photo/Chris Carlson)
Singer Mariah Carey holds her trophy during a taping for MTV's "Total Request Live Awards" show at the MTV Times Square Studios, Tuesday, Feb.21, 2006 in New York City. (AP Photo/Jeff Christensen)
Mariah Carey performs at Madison Square Garden on her "The Adventures of Mimi: the Voice, the Hits, the Tour," in New York, Wednesday, Aug. 23, 2006. (AP Photo/Henny Ray Abrams)
Singer Mariah Carey performs during her "Emancipation of Mimi" concert in Los Angeles on Friday, Oct. 6, 2006. (AP Photo/Matt Sayles)
Singer Mariah Carey arrives at VH1 Save the Music Foundation 10th Anniversary gala in New York, Thursday, Sept. 20, 2007. (AP Photo/Peter Kramer)
Mariah Carey is interviewed on the NBC "Today" television program in New York's Rockefeller Center Tuesday morning Oct. 23, 2007. She was promoting her fragrance "M by Mariah Carey." (AP Photo/Richard Drew)
Singer Mariah Carey launches her new fragrance "M by Mariah Carey" at Macy's Herald Square, Tuesday, Oct. 23, 2007 in New York. (AP Photo/Evan Agostini)
** ARCHIV ** Die Saengerin Mariah Carey, aufgenommen bei einer Gala in New York, USA, am 20. September 2007. Mariah Carey riecht nur nach ihrem eigenen Parfuem. Die US-Popdiva habe sich frueher nie mit einem Duftwaesserchen besprueht, bis sie sich in ihre eigenen Kreation "M" verliebt habe. "Das ist das erste Parfuem, das ich benutze", sagte Carey im AP-Gespraech. (AP Photo/Peter Kramer)
NEW YORK, NY - FEBRUARY 12: Singer Mariah Carey and Nick Cannon attend MTV First: Mariah Carey's 'You're Mine (Eternal)' music video world premiere at MTV Studios on February 12, 2014 in New York City. (Photo by Larry Busacca/Getty Images)
LOS ANGELES, CA - JANUARY 18: Mariah Carey and Nick Cannon (R) arrive at the 20th Annual Screen Actors Guild Awards at the Shrine Auditorium on January 18, 2014 in Los Angeles, California. (Photo by Dan MacMedan/WireImage)
NEW YORK, NY - AUGUST 05: Nick Cannon (L) and Mariah Carey attend Lee Daniels' 'The Butler' New York premiere, hosted by TWC, DeLeon Tequila and Samsung Galaxy on August 5, 2013 in New York City. (Photo by Kevin Mazur/Getty Images for Samsung)
HOLLYWOOD, CA - NOVEMBER 17: TeenNick Chairman and HALO Awards host Nick Cannon and singer Mariah Carey attend Nickelodeon's 2012 TeenNick HALO Awards at Hollywood Palladium on November 17, 2012 in Hollywood, California. The show premieres on Monday, November 19th, 8:00p.m. (ET) on Nick at Nite. (Photo by Charley Gallay/Getty Images For Nickelodeon)
NEW YORK, NY - DECEMBER 15: Mariah Carey leaves the Beacon Theater on December 15, 2014 in New York City. (Photo by James Devaney/GC Images)
LOS ANGELES, CA - MARCH 14: Mariah Carey (L) and actor Jussie Smollett attend the Human Rights Campaign Los Angeles Gala 2015 at JW Marriott Los Angeles at L.A. LIVE on March 14, 2015 in Los Angeles, California. (Photo by Jason Kempin/Getty Images for Human Rights Campaign)
NEW YORK, NY - DECEMBER 03: Mariah Carey performs at the 82nd Annual Rockefeller Christmas Tree Lighting Ceremony at Rockefeller Center on December 3, 2014 in New York City. (Photo by James Devaney/WireImage)
NEW YORK, NY - DECEMBER 03: Singer Mariah Carey performs at the 82nd Annual Rockefeller Center Christmas Tree Lighting on December 3, 2014 in New York City. (Photo by Paul Zimmerman/WireImage)
SHANGHAI, CHINA - OCTOBER 19: (CHINA OUT) Singer Mariah Carey performs live during her 2014 China Tour on October 19, 2014 in Shanghai, China. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)
NEW YORK NY - AUGUST 26: Mariah Carey sighting on August 26, 2014 in New York City. (Photo by Josiah Kamau/BuzzFoto/FilmMagic)
HOLLYWOOD, CA - JULY 23: Singer Mariah Carey and actor Dwayne Johnson attend the after party for the premiere of Paramount Pictures' 'Hercules' at the Roosevelt Hotel on July 23, 2014 in Hollywood, California. (Photo by Alberto E. Rodriguez/WireImage)
CAP D'ANTIBES, FRANCE - JUNE 17: (EXCLUSIVE COVERAGE) Mariah Carey performs during Clear Channel Media And Entertainment And MediaLink Dinner at Hotel du Cap-Eden-Roc on June 17, 2014 in Cap d'Antibes, France. (Photo by Tony Barson/Getty Images for Clear Channel)
NEW YORK, NY - JUNE 09: Singer Mariah Carey announces the launch of her Go N'Syde bottle 'Butterfly' at the Saint Regis Hotel on June 9, 2014 in New York City. (Photo by Andrew H. Walker/Getty Images)
NEW YORK, NY - MAY 29: Singer Mariah Carey attends the 2014 Fresh Air Fund Honoring Our American Hero at Pier Sixty at Chelsea Piers on May 29, 2014 in New York City. (Photo by Monica Schipper/FilmMagic)
Mariah Carey performs during the World Music Awards at Monte Carlo Sporting Club, on May 27, 2014 in Monaco. AFP PHOTO / VALERY HACHE (Photo credit should read VALERY HACHE/AFP/Getty Images)
TODAY -- Pictured: Mariah Carey appears on NBC News' 'Today' show -- (Photo by: Peter Kramer/NBC/NBC NewsWire via Getty Images)
U.S. singer Mariah Carey performs during the German 'Echo 2005' music award ceremony in Berlin on Saturday, April 2, 2005. (AP Photo/Markus Schreiber)
Photo by: Raoul Gatchalian/STAR MAX/IPx 7/25/15 Mariah Carey is seen at 1 OAK at The Mirage Hotel. (Las Vegas, Nevada)
Singer Mariah Carey performs at the Wal-Mart shareholder meeting in Fayetteville, Ark., Friday, June 5, 2015. (AP Photo/Danny Johnston)
Mariah Carey performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 17, 2015, in Las Vegas. (Photo by Chris Pizzello/Invision/AP)
LOS ANGELES, CA - MAY 06: (EXCLUSIVE COVERAGE) Singer Mariah Carey attends Mishka B's Epic Bat Mitzvah at 1OAK on May 6, 2016 in Los Angeles, California. (Photo by Jeff Kravitz/FilmMagic)
LOS ANGELES, CA - MAY 06: (EXCLUSIVE COVERAGE) Stella Bulochnikov (L) and Mariah Carey attend Mishka B's Epic Bat Mitzvah at 1OAK on May 6, 2016 in Los Angeles, California. (Photo by Jeff Kravitz/FilmMagic)

"She obviously has a strong point of view about what she likes," Rosado says of the "Heartbreaker" singer. "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. I wanted to give her something super sophisticated and something that took away all of the embellishments that a lot of people use when they design engagement rings these days.

"But it is epic," he stresses. "It's an epic ring for an epic time in her life."

As for Packer's involvement in the design, Rosado says he consulted with the groom-to-be three times during the entire process. The designer also reveals Packer's romantic side, sharing that he left a small empty space on the backside of the band because the businessman wanted to eventually engrave a special sentiment to Carey.

"He wanted to create something very rare and very beautiful around this diamond he chose, and I followed his lead," Rosado says.

WATCH: Mariah Carey Is Engaged to Billionaire James Packer

Packer, 48, proposed to Carey on Thursday night in New York City, ET can confirm. The two have been dating since last summer.

The upcoming nuptials will mark the third marriage for both. Carey was first married to music executive Tommy Mottola, and later tied the knot with actor Nick Cannon, with whom she shares 4-year-old twins, Monroe and Moroccan. Meanwhile, Packer has been married twice before as well -- first to model Jodhi Meares, then to model and singer Erica Baxter, with whom he has three children.

Mariah Carey Is Engaged to Billionaire James Packer
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