What are the efforts to promote responsible diamond sourcing?

Naturally colored green diamonds are extremely rare. Because of their rarity and the very real possibility of treatment, green diamonds are always regarded with ... Like all of our planet's natural resources, diamonds are finite and only getting rarer. Nature will not bring anymore diamonds to the surface from the Earth's ... 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 ... Red diamonds are commonly known as the most expensive and the rarest diamond ... ^ Argyle Everglow : One of the world's rarest Red Diamonds unveiled in New York ... 'The Oppenheimer Blue can only be described as one of the rarest gems in the world,' says Curiel. 'It is the gem of gems.' Related departments ... Oct 7, 2023 ... The 10 Most Expensive Diamonds Ever Sold at Auction · 1) Pink Star. Price: $71.2 million · 2) Oppenheimer Blue. Price: $57.5 million · 3) Pink ... 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 ... From canary yellow to exceptionally rare red, blue and green, we take a look at the top 10 most expensive coloured diamonds in the world. Apr 1, 2024 ... Red diamonds emerge as the rarest and most enigmatic diamonds in the world, their history steeped in mystery and their allure capturing the fascination of ... May 22, 2024 ... And it is interesting to see that just because a color is rare, doesn't always make it the most expensive color as Red Diamonds are the rarest ...