Million:
Kara – Jumping (11/10/10)

Triple Platinum (750,000):
Ikimonogakari – Joyful (9/23/09)
PRINCESS PRINCESS – M (2/23/05)

Double Platinum (500,000):
SEKAI NO OWARI – RPG (5/8/13)

Platinum (250,000):
Alexandra Stan – Mr. Saxobeat

Gold (100,000):
Eir Aoi – MEMORIA (10/12/11)
Ikimonogakari – Netsujou no Spectrum (10/15/14)
Kalafina – to the beginning (4/18/12)
Sae Satoko & Ogasawara Aki – Chippoke na Ai no Uta (12/14/13)
Saito Kazuyoshi – Aruite Kaerou (Single Version) (8/6/08)
Shonan no Kaze – Puzzle (7/17/14)
SEKAI NO OWARI – Dragon Night (10/22/14)
Mika Nakashima – STARS (2/26/04)
Nakayama Miho – Tada Nakitaku Naru no (10/24/07)
Bakemonogatari – staple stable (11/4/09)
Beni – Eien (1/25/12)
Nana Mizuki – WILD EYES (6/14/06)
ROOKiEZ is PUNK’D – IN MY WORLD (8/21/11)

And since the year is over, after the jump there is a list of all the 2014 songs that were certified with their most recent certification.

Million:
Takako Matsu – Let It Go ~Ari no Mama de~

Platinum (250,000):
Hata Motohiro – Himawari no Yakusoku (8/6/14)
ayaka – Nijiiro (4/28/14)
Nishino Kana – Darling (8/13/14)
Takako Matsu & Sayaka Kanda – Umarete Hajimete (For The First Time In Forever (Japanese Version)) (3/19/14)
Kishidan – Kenka Joto (5/21/14)
Pharrell Williams – Happy (1/22/14)
Namie Amuro – TSUKI (1/29/14)
May J. – Let It Go ~Ari no Mama de~ (End Song) (1/5/14)
Idina Menzel – Let It Go (2/26/14)
Rihwa – Haru Kaze (2/5/14)

Gold (100,000):
SEKAI NO OWARI – Dragon Night (10/22/14)
Shonan no Kaze – Puzzle (7/17/14)
Ikimonogakari – Netsujou no Spectrum (10/15/14)
E-girls – Highschool love (9/10/14)
Sandaime J Soul Brothers – C.O.S.M.O.S. ~Akizakura~ (10/15/14)
Nishino Kana – Suki (10/15/14)
Ariana Grande – Problem feat. Iggy Azalea (6/4/14)
Eir Aoi – IGNITE (8/20/14)
EXILE ATSUSHI – Precious Love (7/2/14)
AKB48 – Labrador Retriever (5/7/14)
JUJU – Last Scene (9/9/14)
Dream5 – Youkai Taisou Daiichi (4/23/14)
Ikimonogakari – Love Song wa Tomaranai yo (7/9/14)
King Cream Soda – Geragerapo no Uta (4/11/14)
Sandaime J Soul Brothers – R.Y.U.S.E.I. (6/25/14)
MACO – Watashitachi wa Zettai ni Zettai ni Yori o Modoshitari Shinai～We Are Never Ever Getting Back Together (Japanese Ver.) (5/7/14)
AKB48 – Mae Shika Mukanee (2/12/14)
Sayaka Kanda & Eisuke Tsuda – Tobira Akete (Love Is An Open Door (Japanese Version)) (3/19/14)
GReeeeN – Arashi (5/14/14)
Shiina Ringo – NIPPON (6/4/14)
SPYAIR – Imagination (4/27/14)
EXILE TAKAHIRO – Love Story (2/26/14)
Nishino Kana – We Don’t Stop (5/21/14)
LiSA – Rising Hope (5/7/14)
Sayaka Kanda, Natsuki Inaba, Sumire Morohoshi – Do You Want To Build A Snowman? (Japanese Version) (3/19/14)
Sayaka Kanda, Takako Matsu – For The First Time In Forever (Japanese Version) (3/19/14)
Ketsumeishi – Californie (2/26/14)
SEKAI NO OWARI – Honoo to Mori no Carnival (4/16/14)
Ken Hirai – Grotesque feat. Namie Amuro (4/23/14)
Mr.Children – Hanatareru (5/24/14)
EXILE ATSUSHI – Aoi Ryu (2/12/14)
JUJU – Hot Stuff (2/19/14)
SEKAI NO OWARI – Snow Magic Fantasy (1/29/14)