Categories Diamond 30-ct lab-grown diamond marks largest certified by IGI – jewellerybusiness.com Post author By Gold News Club Post date June 10, 2022 Click here to get this article in PDFEnter your Email AddressShare this: 30-ct lab-grown diamond marks largest certified by IGI jewellerybusiness.com ← Sterling, parent company of Kay, Jared, settles sex discrimination lawsuit for $175 million – The Washington Post → Natural Diamond Council forays into UAE; announces partnership with three leading jewellery retailers – PR Newswire