Beware: That ruby may be a glass composite (새 탭에서 열립니다)
If you're in the market for rubies, read this. There's an interloper among those red beauties - and it's been spotted at mainstream retailers, priced well above its true value.
The Jewelry Loupe에서 기사 전문 읽기 (새 탭에서 열립니다)