Consumer Survey about Lab Grown Diamond in Japan
Outline of the survey
| target | Woman from 20 to 69 years old who live in main city in Japan |
| Number of sample(answer) | Q1:11,891(20’s 2,359、30’s 2,291、40’s 2,342、50’s2,571、60’s 2,328) |
| Q2,Q3,Q4:500(20’s100人、30’s100人、40’s100人、50’s100人、60’s100人) | |
| Research date | October 2019 |
| research method | internet survey |



