What are the ethical considerations in collecting rare and historically significant diamonds?

We have created a list of the 15 most expensive diamonds ever sold. The most valuable diamonds are remarkably large or have exceptional color and clarity. Apr 8, 2025 ... $100 million worth of world's rarest diamonds displayed at exhibition in Abu Dhabi ... “The principal reason for us being here is to unveil the ... 1. The Koh-i-Noor Diamond – Pricless While not for sale and therefore without a precise valuation, the Koh-i-Noor diamond is arguably the most famous diamond ... This elegant and rare blue diamond costs around $250 million. It weighs about 45.52 carats, which is very exceptional. Dec 27, 2024 ... While diamonds are traditionally considered the most precious gemstone, there are other rare stones, such as Red Beryl, that are even rarer and ... Brilliant Earth is the global leader in ethically sourced fine jewelry. Explore engagement rings, wedding rings, Beyond Conflict Free Diamonds®, jewelry, ... Jun 13, 2023 ... The rarest and most prized of all these diamond types is the elusive red diamond with only 20-30 specimens thought to exist in the world. For the very first time in India, Aukera is set to revolutionise the world of jewellery with the introduction of some of the rarest diamond cuts ever seen. 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 ... Apr 6, 2025 ... Explore the world's most expensive diamonds that surpass the cost of private islands. Discover rare gems that redefine luxury and opulence.