BLUE SAPPHIRES

Yes, absolutely. At Bonnot Paris, you can select the stone of your choice and design your bespoke jewellery around it.

Our experts guide you in imagining a design that will showcase the gem to perfection, while reflecting your personal style and character.

Our designers then produce several sketches so you can visualise the piece.

Once the stones and design have been approved, our master jewellers craft your creation by hand in our workshops, to the highest standards of excellence of Maison Bonnot Paris.

Yes, all our stones are certified by renowned laboratories such as Bellerophon, ICA GemLab, London Gem Lab, and others, guaranteeing their authenticity and exceptional quality.

Delivery is made in person in Paris or via a specialist carrier, ensuring a secure, insured and fully reliable shipment to its destination.

Blue sapphires display a rich palette of hues, each with its own character and its own market.

The "Cornflower" colour is one of the most sought-after today, offering a deep blue tone that is neither too light nor too dark, capturing the very essence of a summer sky.

"Royal Blue" remains a timeless classic, with a deep shade comparable to navy blue, evoking elegance and nobility.

"Ceylon Blue", distinctive to sapphires from Sri Lanka, is equally prized for its luminosity and softness, reminiscent of the clarity of tropical waters.

Finally, "Kashmir Blue", characteristic of sapphires from that region, is distinguished by a deep, silky blue with a gentle touch of violet, like a starlit night.

Each colour has its own specific qualities and its own price segment. "Kashmir Blue", for example, can reach extraordinary values due to its rarity and high demand. "Ceylon Blue" is appreciated for its availability and universal appeal.

At Bonnot Paris, we understand the importance of these nuances and are committed to guiding you towards the choice that best suits your project, ensuring impeccable quality and provenance.

The blue sapphire is mined in many countries, each with its own reputation and characteristics:

• Sri Lanka: this country remains the leading supplier of blue sapphires on the current market, with centuries of mining history. The emblematic shade of these gems is even named "Ceylon Blue".

• Madagascar: this island has become the second-largest source of sapphires, recognised for the high quality of its stones. However, supply is sometimes hampered by government export moratoria.

• Kashmir: although less well known to the general public, this region has yielded some of the most magnificent sapphires in the world. Production there is now negligible, lending these gems exceptional rarity.

• Australia: sapphires are mined primarily in New South Wales and Queensland.

Blue sapphire is also found in Burma, Thailand and Montana in the United States, each offering unique characteristics that enrich the global market for these precious stones.

The value of a blue sapphire varies considerably depending on several key criteria: the intensity of its colour, its clarity, its weight, its origin and its rarity.

It is important to note that the price of a sapphire increases exponentially with its weight, as the larger the stone, the rarer it is. For example, a good-quality heated blue sapphire of 1 carat will cost approximately €1,000 per carat, whereas a blue sapphire of 3 carats of equivalent quality will cost approximately €2,000 per carat.

Heat treatment also has a significant influence on the price of blue sapphires. An unheated stone will cost approximately 30% more for stones of 1 to 2 carats, and this premium can be multiplied by 10 or more for larger weights.

Today, the most expensive and rarest blue sapphires come from Kashmir. The finest among them trade at several tens of thousands of dollars per carat.

Other highly sought-after and far more accessible blue sapphires come from Sri Lanka and Madagascar. Both sources offer very good quality. For a comparable stone, a Sri Lankan blue sapphire will be priced higher than one from Madagascar.