What is a flawless diamond?

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. Naturally colored green diamonds are extremely rare. Because of their rarity and the very real possibility of treatment, green diamonds are always regarded with ... Rarest diamond colors top. The rarest top diamond color. Rarity Value Scott West Diamonds. What Color Diamond Is The Most Expensive Nazar s Co. Jewelers. The Cullinan II, also called The Star of Africa, is worth about $400 million and is the largest polished white diamond in the world. Apr 9, 2025 ... The World's Most Expensive Gemstones · The Pink Star Diamond – $71.2 Million · The Oppenheimer Blue – $57.6 Million · The Estrela de Fura Ruby – ... Jan 7, 2017 ... The rarest of the fancy colored diamonds are the saturated pinks, greens and blues. The least rare are the yellows and browns. This elegant and rare blue diamond costs around $250 million. It weighs about 45.52 carats, which is very exceptional. Aug 6, 2024 ... The rarity and value of such diamonds depend on the elements present in the diamonds, their color and the environmental factors present during their formation. Oct 23, 2023 ... Discover the world's rarest and most coveted gemstones, from the breathtaking Blue Diamond to the mystical Tanzanite. 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 ...