Categories Diamond 28-carat diamond nabs $2.1M in online auction – jewellerybusiness.com Post author By Gold News Club Post date July 3, 2020 Click here to get this article in PDFEnter your Email AddressShare this: 28-carat diamond nabs $2.1M in online auction jewellerybusiness.com ← Phenomenal 3.01ct Cushion Brilliant Cut Engagement Ring → What is the most valuable asset in space? Hint: it’s not gold