Categories Diamond Historic Golconda Blue diamond could fetch USD 50m at auction – prestigeonline.com Post author By Gold News Club Post date April 23, 2025 Click here to get this article in PDFEnter your Email AddressShare this: Historic Golconda Blue diamond could fetch USD 50m at auction prestigeonline.com ← A Guide to Jewellery Chain Styles: Types, Trends & Lengths → 15 splurge-worthy Mother’s Day gift ideas for all types of moms – USA Today