What is the most expensive precious stone ?

THE precious stones have fascinated for centuries by their rarity, their brilliance and their inestimable valueSome of them reach dizzying prices, becoming treasures coveted by collectors and enthusiasts. Discover our Top 5 most expensive gemstones in the world, where luxury and exclusivity meet.

1. The Koh-i-Noor

• Name : Koh-i-Noor
• Price : Priceless (~500 million)
• Gemstone Type : Colorless diamond
• Owner : British Crown

THE Koh-i-Noor, which means "Mountain of Light" in Persian, is one of the most famous and oldest diamonds in the world. Weighing 105.6 carats, this precious stone mounted on Queen Elizabeth's crown, on display in the Tower of London.

Discovered in India, This diamond has a tumultuous history, having been at the heart of many battles and royal lusts. Its value is inestimable. Not only for its size and its purity, but also for its immense historical importance.

2. The Cullinan I

• Name : Cullinan
• Price : Priceless (estimated at over $400 million for all stones)
• Gemstone Type : Colorless diamond
• Owner : British Crown

THE Cullinan is the most large rough diamond never discovered, weighing 3,106 carats before the gemstone size. It was divided by the lapidaries into several pieces, the most famous of which, the Cullinan I (530.2 carats) and the Cullinan II (317.4 carats). They adorn the British Crown Jewels.

Discovered in South Africa in 1905, this diamond is a symbol of grandeur and power, embodying the excellence of jewelry craftsmanship.

3. The Hope Diamond

• Name : Hope Diamond
• Price : Priceless (experts say $250-350 million)
• Gemstone Type : Blue Diamond
• Owner: Smithsonian Institution

The Hope Diamond is a legend in its own right. This 45.52-carat deep blue diamond is famous for its unique color and mysterious history, marked by tales of curses. Today, it resides in the Smithsonian Museum in Washington, D.C., attracting millions of visitors each year.

This gem, discovered in India in the 17th century, has survived the ages, passing through the hands of kings, merchants, and collectors. Its exceptional blue hue is due to the presence of traces of boron, a rare chemical element, which gives it an almost supernatural aura.

See our blue sapphires

4. The De Beers Centenary

• Name : De Beers Centenary
• Price : Estimated at $100 million
• Gemstone Type : Colorless diamond
• Owner : Anonymous private collector

THE De Beers Centenary is a diamond of exceptional purity, weighing 273.85 caratsDiscovered in South Africa in 1986, it has been cut with extreme precision to maximize its brilliance.

Rated "D" by the GIA, the highest color grade for a diamond, it is considered theone of the most perfect diamonds ever createdIts rarity and brilliance make it a piece of inestimable value.

5. Pink Star: the rarest diamond in the world

• Name : Pink Star
• Price : $71.2 million
• Gemstone Type : Pink Diamond
• Owner : Chow Tai Fook Enterprises

This 59.60-carat pink diamond is the largest pink diamond ever discovered. Its clarity and exceptional cut make it a unique piece. Sold at auction in 2017, it became one of the most expensive jewels ever acquired. This diamond, mined in Africa by De Beers in 1999, required more than two years of cutting and polishing to reveal its perfect brilliance. Its intense pink color, classified as "Fancy Vivid Pink," is extremely rare, making it a coveted stone for lovers of luxury and exclusivity.

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Why are these stones so precious?

There value of these precious stones is based on several criteria: their rarity, their size, their purity and their historyThese jewels embody the ultimate luxury, attracting collectors and lovers of timeless beauty.

At Bonnot Paris, we celebrate the elegance and exclusivity of precious stones. Explore our collection and let yourself be seduced by creations from unique jewelry, designed to enhance every moment.

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