Gem$tones (ジェムストーン; Pronounced: Gemstones) is an indies unit formed with several members from Hello!Project DIVAS. and Fantasy Kenshuusei.

In January 2017, they released their first major single.

They are currently gaining nationwide acknowledgment with consistent high sales, both psychical and digital wise.


Name Birthdate Birthplace Blood Type Gem Group Role Notes
Fukuda Miki
(福田 三木)
August 1, 1997 (1997-08-01) (age 20) Tokyo
AB Pearl Main Dancer, Lead Vocalist Leader (2015-Present), Fantasy Kenshuusei (2011-2016)
Umemoto Marika
February 26, 1998 (1998-02-26) (age 19) Aichi
O Tourmaline Lead Dancer, Sub Vocalist Sub-Leader (2015-Present),
Hello!Project DIVAS. (2014-2016)
Im Jihyun
(임 김지현)
August 30, 1998 (1998-08-30) (age 19) Seoul
(South Korea)
A Amethyst Main Rapper, Lead Dancer, Sub Vocalist Fantasy Kenshuusei (2014-2016)
Egami Chikako
October 16, 1998 (1998-10-16) (age 19) Hiroshima
O Fire Opal Main Dancer, Sub Rapper Hello!Project DIVAS. (2015-2016)
Ayase Sora (綾瀬 ソーラ) October 29, 1999 (1999-10-29) (age 18) Saitama
A Citrine Main Vocalist, Center Fantasy Kenshuusei (2014-2016)
Ogata Aya
(緒方 アヤ)
November 5, 1999 (1999-11-05) (age 18) Mie
Diamond Lead Vocalist Fantasy Kenshuusei (2014-2016)
Furusawa Kayo
December 17, 1999 (1999-12-17) (age 18) Kanagawa
Emerald Visual, Sub Vocalist, Face of the Group Hello!Project DIVAS. (2015-2016)
Kurosawa Ruby
August 6, 2001 (2001-08-06) (age 16) Aichi
B Star Ruby Lead Vocalist, Lead Dancer, Ace Hello!Project DIVAS. (2015-2016)



On May 4, 2015 the unit was announced with for members from Fantasy Kenshuusei and four members form Hello!Project DIVAS. They'll be starting off on an indies single and work their way onto their major debut. On that same say their member colors and the leaders were announced.

On July 14, they released their first indies single titled "GREEN GARDEN / Heart ni Ai wo Zukyuun!!" it sold a total of 4,782 copies.

On October 12, they released their second indies single titled "MADNESS -Trick or Treat- / Kabocha QUEEN" it sold a total of 4,190 copies.

On December 13, they released their third indies single titled "CONTDOWN! / Team Gem!" which sold a total of 7,381 copies. On December 14, it was announced by Miki and Marika they the group will be pushing really hard for a major debut in 2016 and the group is in plans to release a mini album.


On March 1, it was announced that Gem$tones will release their first digital single on March 22, it is titled "Monku o Iwanai Teishi Namida "First Take Ver"', The single will not have any promotion. It sold a total of 12,687 copies online.

On April 1, Gem$tones announced the rest of the titles for the singles they will release in 2016. On April 5, they will release their fourth indies single titled "GEM$TONES Anthem -We're Here- / Rose Petals", the single sold a total of 11,093 copies. On April 7, it was announced that Gem$tones will release their debut mini album titled "Mini Song Set list ~Lets Go 2 School!~" on July 13, the song will feature all the groups original non released songs, an original song for the album, and two other songs.

On July 3, the group released their fifth indie single titled "Electric Dance Step ~TYPE B VERSION~ / Watashitachi no Yona On'nanoko" it sold a total of 6,094 copies.

On August 8, it was announced that the group will be having their Major Debut in 2017. They will warp up their indies period with one last single and one last indie digital single and two mini albums.


In January 1, they released their major debut single, it ranked at Number 2, and sold a total of 95,587 copies in total.

On October 28, it was revealed by an insider that Gem$tones would be releasing a March single. They along with several other groups upcoming 2018 singles were also revealed.


On Janaury 14, it was announced that they would be releasing a completion album in February containing all of their current singles.


Completion Albums

# Released Album Sales Oricon Rank Certifications
Physical Digital
1 February 26, 2018 Gem Collection Vol.1 TBA TBA TBA TBA

Indie Albums

# Released Album Sales Oricon Rank Certifications
Physical Digital
1 July 13, 2016 Mini Song Set List ~Lets Go 2 School!~ 8,256 N/A 10 N/A
2 August 17, 2016 Share The Gem$ 6,269 N/A 7 N/A
3 December 6, 2016 Gem$tones Is Here To Stay 3,566 4,276 9 NA


Indies Singles

# Released Name Oricon Rank Sales Album Song Center
1 July 14, 2015 GREEN GARDEN / Heart ni Ai wo Zukyuun!! - 4,782 Mini Song Set List ~Let's Go 2 School~ Ruby / Kayo
2 October 12, 2015 MADNESS -Trick or Treat- / Kabocha QUEEN - 4,190 Share The Gem$ Sora / Aya
3 December 13, 2015 COUNTDOWN! / Team Gem! - 7,381 Miki / Jihyun
4 April 5, 2016 GEM$TONES Anthem -We're Here- / Rose Petals - 11,093 Gem$tones Is Here To Stay Chikako / Marika
5 July 3, 2016 Electric Dance Step ~TYPE B VERSION~ / Watashitachi no Yona On'nanoko
(私たちのような女の子: Girls like us)
- 6,094 Miki / Kayo
6 October 18, 2016 The road behind us / Secret 4 10,490 Sora / Ruby

Indie Digital Singles

# Released Name Oricon Rank Sales Album Song Center
1 March 22, 2016 Monku o Iwanai Teishi Namida "First Take Ver"
(文句を言わない停止涙 "First Take Ver": Tears that won't stop "First Take Ver")
78 11,568 Gem$tones Is Here To Stay Aya
2 November 2, 2016 Seiko
(成功: Success)
- 1,487 Ruby

Major Singles

# Released Song Sales Certifications Oricon Rank Album Song Center
Physical Digital
1 January 1, 2017 Kiss Kiss Kiss / I Miss You, I Hate You / Jumon o Tonaemasu
(呪文を唱えます: Cast a Spell)
95,587 10,487 N/A 2 Gem Collection Vol.1 Ruby / Aya / Kayo
2 March 29, 2017 BLACK WIDOW / STRAWBERRY BUBBLE TEA 86,698 8,488 N/A 2 Jihyun / Miki
3 July 10, 2017 Ai No Rosoku
(愛の蝋燭: Candle of Love)
89,577 14,315 N/A 2 Sora
4 November 21, 2017 Me and You ~Together Forever~ / Palm Trees 90,285 21,274 N/A 2 Chikako / Marika
5 March 27, 2018 Shiranai / Atarashi Gakunen / Koe O Dashite Warau
(知らない / 新しい学年 / 声を出して笑う: I Don't Know / A New School Year / Laugh Out Loud)
TBA TBA TBA TBA TBA Kayo / Sora / Miki
Original Songs

All the dates show when the songs where performed.

  • [2015.07.11] Watashi Wa Ai, Watashi No Seikatsu No Naka De Yuiitsu No Ai Wa Anata (私は愛、私の生活の中で唯一の愛はあなた: The only love in my life I love is you)
  • [2015.12.31] Raindrops
  • [2016.03.14] Magica
  • [2016.04.01] Ame no Mae ni Odayakana (雨の前に穏やかな: The calm before the rain)
Cover Songs

All the dates show when the songs where performed.

  • [2016.04.01] CLOSER - Oh My Girl Cover

Member and Group Photobooks

Group Photobooks

  1. [2018.01.01] Group Major Love Year I

Fukuda Miki's Photobooks

  1. [2017.08.01] 20 Miki
  2. [2018.01.30] Nobody But Miki

Umemoto Marika's Photobooks

  1. [2018.02.26] Maybe....20sai

Furusawa Kayo's Photobooks

  1. [2017.03.13] Kayo In Paradice
  2. [2017.12.18] Kayo 17sai ~ 18sai
  3. [2018.04.02] Blooming Kayo


  • They are the second group to have gemstones as their colors, the first being A.L.C.H.E.M.I.S.T.
  • Im Jihyun is the only member to not be of Japanese decent.
  • The group is known for their really close sister bond.
  • It is hinted that they might also debut in Korea as well, but it is currently unknown right now when.
  • As of January 1, 2018, the members heights are:
    • Fukuda Miki: 167cm (5.5 Feet)
    • Umemoto Marika: 166 (5.4 and a Half)
    • Im Jihyun: 173cm (5.7 Feet)
    • Egami Chikako: 158 (5.2 Feet)
    • Ayase Sora: 163cm (5.3 and a Half)
    • Ogata Aya: 164cm (5.4 Feet)
    • Furusawa Kayo: 170cm (5.6 Feet)
    • Kurosawa Ruby: 161cm (5.3 Feet)

Total Sales Count

Year Group Sales Collaboration Sales Total Sales
2015 16,353 0 16,353

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