Details about the ring can be found on the Blue Rose website.
Takita has teamed up with BLUE ROSE to produce four pendants and five rings featuring a cross designed by Takita himself. Here’s an example of one pendant and one ring:
The pendants range in price from 12,960~22,680 yen, while the rings run from 12,960~17,280 yen. The pendants are silver while the rings are silver or silver with gold plating. All feature cubic zirconia stones. Ring sizes range from 5~23.
All items are available for online purchase on BLUE ROSE’s website (scroll down to Takita’s section).