What is the Regent diamond?

Sep 28, 2022 ... A rare deep earth diamond was unearthed from the Karowe mine. It was buried 660 kilometers beneath the surface of the Earth. Mar 12, 2025 ... Top 10 Rarest Diamonds in the World · 1. Red Diamonds - · 2. The Pink Star Diamond - · 3. The Hope Diamond - · 4. The Oppenheimer Blue Diamond - · 5 ... Jul 1, 2022 ... Ever wonder what is the rarest cut of diamond? The jubilee cut remains one of the rarest diamond cuts that do not feature a table; instead, it ... ABU DHABI, United Arab Emirates (AP) — A rare blue diamond was on display Tuesday at an exhibition of $100 million worth of the world's rarest diamonds in ... It's estimated that only around 20 to 30 true gem-quality red diamonds exist in the world, some weighing less than one carat. Apr 8, 2025 ... This superb diamond is estimated in the region of US$20 million / CHF 18 million and will make its auction debut at #SothebysGeneva in the High ... The top 10 most expensive and unique diamonds in the world are an impressive collection of stones that showcase the beauty and rarity of diamonds. The Pink Star Diamond is the most expensive diamond to ever have been sold. Sold at auction by Sotheby's in Hong Kong for $71.1 Million. Dec 30, 2024 ... Tessera, which has branches in Makati and Quezon City, sells quality pieces and ethically sourced gemstones like diamonds. “We are committed to ... Sep 26, 2022 ... A beautiful blue flaw in a gem-quality diamond from Botswana is actually a tiny fragment of Earth's deep interior—and it suggests our planet's ...