Housekishou Richard-shi no Nazo Kantei
The 'heartwarming jewel mystery' series centers on the handsome jewelry appraiser Richard Ranashinha de Vulpian and the bright and cheerful college student Seigi Nakata as they uncover the hidden messages that lie within jewels while they solve various jewel-related cases by unravelling the hidden psychological aspects of their owners that lie within the gems.
(Source: Anime News Network, Edited)
Episode 1 - Seigi of the Pink Sapphire
Episode 2 - The Ruby's Truth
Episode 3 - Insight of the Cat's Eye
Episode 4 - The Fighting Garnet
Episode 5 - Opal of Encounters
Episode 6 - Perilous Turquoise
Episode 7 - The Jade of Succession
Episode 8 - The Angel's Aquamarine
Episode 9 - The Alexandrite's Secret
Episode 10 - The Lapis Lazuli of Guidance
Episode 11 - Peridot of Blessings
Episode 12 - Tanzanite of Rebirth