Question: What country of origin does 17 Carat and Seventeen have in common?

Context articles: Miss Seventeen
Sancy
Spirit of de Grisogono Diamond
Love &amp; Letter
Rules of origin
17 Carat
Seventeen (band)
Fourteen Carat Mind
The Aurora Green Diamond
List of Seventeen concert tours

Miss Seventeen is a reality television show on MTV that aired from October 17, 2005 to December 19, 2005.
 The show consisted of 17 young women competing for an internship at and a college scholarship.
 Atoosa Rubenstein was the main judge, she was the youngest editor-in-chief ever to run "Seventeen magazine".
 They picked 17 girls from around the United States who were not only photogenic but also had been at the top of their class, to provide a role model for young women.
 The girls were flown to New York, where they would take part in a contest similar in format to The Apprentice — they would be given tasks to be done by Atoosa, and in each episode one of the girls would be eliminated from the competition.
 The winner would get her face on the cover of "Seventeen magazine", a college scholarship and would be offered an internship job on the magazine.
The Sancy, a pale yellow diamond of 55.23 carat , was once reputed to have belonged to the Mughals of antiquity, but is more likely of Indian origin owing to its cut, which is unusual by Western standards.
The Spirit of de Grisogono is the world's largest cut black diamond and the world's fifth largest diamond overall.
 Starting at an uncut weight of 587 carat , it was taken from its origin in western Central African Republic and cut by Swiss jeweler De Grisogono.
 The resulting mogul-cut diamond weighs 312.24 carat and is set in a white gold ring with 702 smaller white diamonds totaling 36.69 carat .
 The ring is said to have been sold.
Love & Letter, also known as First Love & Letter, is the first studio album by South Korean boy group Seventeen released on April 29, 2016.
 The album is a follow-up to the group's two EPs, "17 Carat" and "Boys Be" (2015).
Rules of origin are used to determine the country of origin of a product for purposes of international trade.
 There are two common types of rules of origin depending upon application, the preferential and non-preferential rules of origin (19 CFR 102).
 The exact rules vary from country to country, from agreement to agreement.
17 Carat is the debut extended play by South Korean boy group Seventeen.
 It was released on May 29, 2015 by Pledis Entertainment and distributed by LOEN Entertainment.
 "Adore U" serves as the lead single for the extended play.
Seventeen (Hangul: 세븐틴 ), also stylized as SEVENTEEN or SVT, is a South Korean boy group formed by Pledis Entertainment in 2015.
 The group consists of thirteen members who are separated into three sub-units, each with different areas of specialization: a 'Hip-Hop Unit', 'Vocal Unit', and 'Performance Unit'.
 They have released one studio album and four extended plays.
"Fourteen Carat Mind" is a song written by Dallas Frazier and Larry Lee, and recorded by American country music artist Gene Watson.
 It was released in September 1981 as the first single from the album "Old Loves Never Die".
 "Fourteen Carat Mind" was Gene Watson's twentieth country hit and his only song to hit number one on the country chart.
 The single stayed at number one for one week and spent a total of fifteen weeks on the country chart.
The Aurora Green Diamond is a 5.03 carat vivid green diamond with VS2 clarity.
 In May 2016, the Aurora Green became the largest ever vivid green diamond to ever sell at auction.
 The record was previous held by a 2.54 carat Fancy Vivid Green VS1 diamond that was sold by Sotheby’s on November 17, 2009 for $1.22 million per carat according to the Diamond Investment & Intelligence Center.
 On May 31, 2016, the diamond, which was originally owned by Scarselli Diamonds was sold by Christie's for a record price per carat of $3.3 million to Chinese jewelry company Chow Tai Fook, totaling $16.8 million.
The South Korean boy band Seventeen embarked on their first concert tour entitled Seventeen 1st Asia Tour 2016 Shining Diamonds in July through September of 2016, performing at venues including Singapore, Australia, New Zealand and China.
 The string of concerts began in South Korea where 13,000 tickets were sold.
 They have also held four showcases, the most notable being their debut showcase, "Seventeen 1st Mini Album '17 Carat' Showcase" which was broadcast live on MBC.