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Consumer Survey about Lab Grown Diamond in Japan

Outline of the survey

targetWoman 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)
Research dateOctober 2019
research methodinternet survey
research by Japan Precious Maagzien

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