Are there independent organizations that monitor ethical diamond sourcing?

The House of Graff has been a custodian of many of the world's most celebrated gemstones – characterised by their unique quality, their historical provenance. 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 ... 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. 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 ... 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 ... 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 ... Sep 2, 2024 ... Q1. What is the rarest diamond in the world? Red diamonds are classified as the rarest and among some of the most expensive diamonds in the ... 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 ... Here, we have put a list of the Top Most Expensive Diamond, an undefined beauty with rich culture and history! Apr 9, 2025 ... Visitors to the Abu Dhabi show focused mostly on the sparkling 10.03-karat blue diamond from South Africa. The gem is known as the Mediterranean ...