In the universe of precious metals and gemstones, some discoveries have marked entire eras, inspired legends, and redefined how value is perceived.
This page is designed to share the cultural and historical richness of the precious world, highlighting gems and gold nuggets that stand out for their size, purity, uniqueness, or incredible backstories.
As a company committed to professionalism and regulatory compliance, we believe that understanding these extraordinary specimens is essential to offering accurate evaluations and reliable services to our clients.


One of the most captivating diamonds in the world, known for its deep blue color and a history woven through royalty, myth, and scientific study. It is housed in the Smithsonian Museum in Washington, D.C.

One of the world’s most legendary diamonds, the Koh-i-Noor (“Mountain of Light”) has been owned by Persian warriors, Afghan rulers, Sikh emperors, and finally the British Crown. .

The largest rough diamond ever discovered (3,106 carats). It was cut into several remarkable stones, some of which adorn the Royal Sceptre and Imperial State Crown.

One of the world’s largest and most famous star sapphires, celebrated for its clarity and the striking star-shaped light effect known as asterism.

Discovered in 1869 in Australia, it remains the largest nugget ever found through traditional mining methods—an astonishing 72 kg of nearly pure gold.

Unearthed with a metal detector in 1980, it is the largest gold nugget found by a private individual. Today, it is displayed at the Golden Nugget Casino in Las Vegas.

Found in 1858, also in Australia, weighing more than 68 kg. It is one of the most celebrated nuggets of the gold rush era.

More accurately a massive gold-bearing specimen rather than a traditional nugget, it weighed over 285 kg—one of the most extraordinary finds in gold mining history.

The Sunrise Ruby is one of the most celebrated and valuable rubies in the world.
Originating from the legendary Mogok Valley in Myanmar—renowned for producing the finest rubies known to gemology—it represents the pinnacle of rarity, color, and clarity.
Key Characteristics
In 2015, the Sunrise Ruby was sold at auction for more than 30 million USD, making it the most expensive ruby ever auctioned and setting new price records for a colored gemstone.
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