What is fluorescence in diamonds?

Mar 30, 2025 ... However, the world of diamonds is far more colorful than you might imagine. Among the spectrum of hues, some shades are so exceptionally rare ... 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 ... Fancy color diamonds are known for their exquisite beauty. These rare gemstones account for less than 0.1% of the annual production of all diamonds in the world ... Jan 27, 2025 ... Learn about natural red diamonds, the rarest diamond color. Explore their formation, value, and why they're the most expensive gems on Earth. We ... Dec 8, 2023 ... ... diamonds in the world. This historic gem has passed through the ... Aside from their beauty and brilliance, these exceedingly rare 100 ... Oct 24, 2019 ... An Auction Item. Article content. The Argyle closing is expected to bring renewed attention to pink diamonds at auction as buyers snap up ... 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. Pure orange diamonds are the rarest colour diamonds of all. That also means they're among the most valuable diamonds in the world. 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. In this article, we examine three of the rarest diamonds worldwide and explain why they are so special.