Blue Sapphire: The Complete Guide (Meaning, Price & Origin)
Marie6/7/2026
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As a jewellery house specialising in coloured stones — and the only French member of the ICA (International Coloured Gemstone Association) — we guide clients through this choice every week. Here is our honest answer, free from commercial bias.
The colour choice
For those who want a unique, colourful ring that stands apart. More accessible at equal quality, with exceptional durability (hardness 9/10), and worn by Diana then Kate Middleton. The choice of confident originality.
The classic choice
For those who love pure brilliance, tradition and timelessness. The most brilliant of stones, pairing with everything, and carrying a symbolism of eternity universally recognised. The choice that never dates.
There is no wrong choice. There is your choice, the one that matches her personality. This guide will give you every element you need to decide with confidence — without us steering you towards one or the other.
| Criterion | Sapphire | Diamond |
|---|---|---|
| Hardness | 9 / 10 Mohs — Ideal for everyday wear | 10 / 10 Mohs — The hardest of all stones |
| Price (1 ct, fine quality) | 1,500 – 8,000 € depending on colour and origin | 4,000 – 20,000 € depending on the 4Cs |
| Colour range | Unlimited — blue, teal, pink, yellow, padparadscha… | White principally. Fancy colours very rare and costly. |
| Originality | Strong — every stone is unique in colour and character | Standardised — quality criteria are highly codified (4Cs) |
| Care | Warm water and a soft brush — simple and effective | Resistant to knocks and heat — easy to maintain |
| Symbolism | Wisdom, fidelity, royalty — Diana, Kate Middleton… | Eternal love, purity — a universally recognised symbol |
With a hardness of 9/10 on the Mohs scale, the sapphire is one of the most resistant stones in existence. It does not scratch on contact with everyday objects, withstands knocks and has no fear of moisture. For a ring worn 365 days a year, that is a decisive quality.
Hardness 9/10 — only the diamond is harder. Sapphire rings from the nineteenth century remain as beautiful today as the day they were made.
For the same budget, you will generally obtain a more spectacular sapphire than a diamond. The effect of mass marketing since 1950 weighs heavily on the price of diamonds.
Every sapphire is unique in its colour, its inclusions and its origin. Your ring will be the only one of its kind in the world — impossible to replicate.
Princess Diana's ring, later worn by Kate Middleton, reignited worldwide enthusiasm. The sapphire is now seen as a royal and refined choice.
The only French house to hold ICA membership, we source our sapphires directly in Sri Lanka, Bangkok and Jaipur — with no intermediaries. Every stone comes with a laboratory certificate (GRS, GIA or Gübelin) attesting to its authenticity, origin and precise characteristics.
The sapphire is far more than the classic blue. It exists in an extraordinary palette, each colour with its own origin, symbolism and character.
The benchmark · Sri Lanka
The world reference. Deep blue with velvety reflections, the Ceylon blue sapphire is the stone of Princess Diana. Cornflower blue to royal blue — the most sought-after colour.
2026 trend · Madagascar
A chameleon blue-green, the great revelation of 2026. It shifts in tone with the light — deep blue indoors, teal green in sunlight. Modern, rare and unforgettable.
Romantic · Sri Lanka
Romantic and delicate, the pink sapphire is the elegant alternative to ruby. From pale peach to deep fuchsia — for personalities both feminine and assured.
The holy grail · Ultra-rare
Pink-orange like a sunset — the padparadscha is the rarest and most precious of sapphires. The only one to carry a proper name. The holy grail for collectors.
Radiant · Often underestimated
Luminous and radiant, the yellow sapphire is often underestimated — quite wrongly. From pale lemon to deep gold, it flatters every complexion and every gold setting.
To be honest: the diamond possesses real qualities that the sapphire cannot replicate in the same way. Here is why it remains the world's first choice.
Its exceptional refractive index creates a brightness and a "fire" — those coloured flashes — that no other stone reproduces in quite the same way under light.
Understood and cherished across every culture as the symbol of eternal love. A diamond ring can never be misread.
A white diamond complements every outfit and every style, from relaxed everyday wear to a formal evening — never out of place.
The only stone to score 10/10 on the Mohs scale — the hardest of all natural materials. Nothing can rival a diamond for resistance to wear.
If your partner dreams of a ring that "sparkles like nothing else", favours the classic and the timeless, or holds the traditional symbolism of an engagement dear — the diamond remains unbeatable. It is not a default choice; it is a deliberate one.
Budget is often the deciding factor. Here is what you can realistically obtain for a sapphire versus a diamond at each price level.
Through our direct sourcing — with no intermediaries — from Sri Lanka, Bangkok and Jaipur, you pay the true price of the stone, not a distributor's margins. For an equivalent budget, you gain access to quality that is generally superior to what traditional retailers can offer.
After hundreds of projects accompanied, here are the profiles we encounter most often. Do you recognise your partner?
Choose the sapphire
The sapphire scores 9/10 on the Mohs hardness scale, just behind diamond (10/10). In everyday wear, this difference is imperceptible. Sapphire rings that have been worn since the nineteenth century bear witness to this exceptional durability — and remain as beautiful as the day they were made.
The difference is largely explained by the vast marketing campaigns built around diamond since the 1950s ("A Diamond is Forever"). The intrinsic value of a fine, certified sapphire is considerable — yet its market price remains more accessible.
It all comes down to your partner's personality. Blue sapphire is the timeless classic. Teal sapphire is the defining trend of 2026. Pink sapphire suits the romantic at heart. Padparadscha is the choice for those who treasure rarity. The best way to decide is to see them in person at an appointment with Bonnot Paris.
High-quality sapphires — in particular GRS-certified Ceylon blues and padparadscha — appreciate very well over time. Long-term value depends far more on quality, origin and certification than on the type of stone. An exceptional Royal Blue sapphire can outperform many standard diamonds in terms of appreciation.
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As a jewellery house specialising in coloured stones — and the only French member of the ICA (International Coloured Gemstone Association) — we guide clients through this choice every week. Here is our honest answer, free from commercial bias.
The colour choice
For those who want a unique, colourful ring that stands apart. More accessible at equal quality, with exceptional durability (hardness 9/10), and worn by Diana then Kate Middleton. The choice of confident originality.
The classic choice
For those who love pure brilliance, tradition and timelessness. The most brilliant of stones, pairing with everything, and carrying a symbolism of eternity universally recognised. The choice that never dates.
There is no wrong choice. There is your choice, the one that matches her personality. This guide will give you every element you need to decide with confidence — without us steering you towards one or the other.
| Criterion | Sapphire | Diamond |
|---|---|---|
| Hardness | 9 / 10 Mohs — Ideal for everyday wear | 10 / 10 Mohs — The hardest of all stones |
| Price (1 ct, fine quality) | 1,500 – 8,000 € depending on colour and origin | 4,000 – 20,000 € depending on the 4Cs |
| Colour range | Unlimited — blue, teal, pink, yellow, padparadscha… | White principally. Fancy colours very rare and costly. |
| Originality | Strong — every stone is unique in colour and character | Standardised — quality criteria are highly codified (4Cs) |
| Care | Warm water and a soft brush — simple and effective | Resistant to knocks and heat — easy to maintain |
| Symbolism | Wisdom, fidelity, royalty — Diana, Kate Middleton… | Eternal love, purity — a universally recognised symbol |
With a hardness of 9/10 on the Mohs scale, the sapphire is one of the most resistant stones in existence. It does not scratch on contact with everyday objects, withstands knocks and has no fear of moisture. For a ring worn 365 days a year, that is a decisive quality.
Hardness 9/10 — only the diamond is harder. Sapphire rings from the nineteenth century remain as beautiful today as the day they were made.
For the same budget, you will generally obtain a more spectacular sapphire than a diamond. The effect of mass marketing since 1950 weighs heavily on the price of diamonds.
Every sapphire is unique in its colour, its inclusions and its origin. Your ring will be the only one of its kind in the world — impossible to replicate.
Princess Diana's ring, later worn by Kate Middleton, reignited worldwide enthusiasm. The sapphire is now seen as a royal and refined choice.
The only French house to hold ICA membership, we source our sapphires directly in Sri Lanka, Bangkok and Jaipur — with no intermediaries. Every stone comes with a laboratory certificate (GRS, GIA or Gübelin) attesting to its authenticity, origin and precise characteristics.
The sapphire is far more than the classic blue. It exists in an extraordinary palette, each colour with its own origin, symbolism and character.
The benchmark · Sri Lanka
The world reference. Deep blue with velvety reflections, the Ceylon blue sapphire is the stone of Princess Diana. Cornflower blue to royal blue — the most sought-after colour.
2026 trend · Madagascar
A chameleon blue-green, the great revelation of 2026. It shifts in tone with the light — deep blue indoors, teal green in sunlight. Modern, rare and unforgettable.
Romantic · Sri Lanka
Romantic and delicate, the pink sapphire is the elegant alternative to ruby. From pale peach to deep fuchsia — for personalities both feminine and assured.
The holy grail · Ultra-rare
Pink-orange like a sunset — the padparadscha is the rarest and most precious of sapphires. The only one to carry a proper name. The holy grail for collectors.
Radiant · Often underestimated
Luminous and radiant, the yellow sapphire is often underestimated — quite wrongly. From pale lemon to deep gold, it flatters every complexion and every gold setting.
To be honest: the diamond possesses real qualities that the sapphire cannot replicate in the same way. Here is why it remains the world's first choice.
Its exceptional refractive index creates a brightness and a "fire" — those coloured flashes — that no other stone reproduces in quite the same way under light.
Understood and cherished across every culture as the symbol of eternal love. A diamond ring can never be misread.
A white diamond complements every outfit and every style, from relaxed everyday wear to a formal evening — never out of place.
The only stone to score 10/10 on the Mohs scale — the hardest of all natural materials. Nothing can rival a diamond for resistance to wear.
If your partner dreams of a ring that "sparkles like nothing else", favours the classic and the timeless, or holds the traditional symbolism of an engagement dear — the diamond remains unbeatable. It is not a default choice; it is a deliberate one.
Budget is often the deciding factor. Here is what you can realistically obtain for a sapphire versus a diamond at each price level.
Through our direct sourcing — with no intermediaries — from Sri Lanka, Bangkok and Jaipur, you pay the true price of the stone, not a distributor's margins. For an equivalent budget, you gain access to quality that is generally superior to what traditional retailers can offer.
After hundreds of projects accompanied, here are the profiles we encounter most often. Do you recognise your partner?
Choose the sapphire
The sapphire scores 9/10 on the Mohs hardness scale, just behind diamond (10/10). In everyday wear, this difference is imperceptible. Sapphire rings that have been worn since the nineteenth century bear witness to this exceptional durability — and remain as beautiful as the day they were made.
The difference is largely explained by the vast marketing campaigns built around diamond since the 1950s ("A Diamond is Forever"). The intrinsic value of a fine, certified sapphire is considerable — yet its market price remains more accessible.
It all comes down to your partner's personality. Blue sapphire is the timeless classic. Teal sapphire is the defining trend of 2026. Pink sapphire suits the romantic at heart. Padparadscha is the choice for those who treasure rarity. The best way to decide is to see them in person at an appointment with Bonnot Paris.
High-quality sapphires — in particular GRS-certified Ceylon blues and padparadscha — appreciate very well over time. Long-term value depends far more on quality, origin and certification than on the type of stone. An exceptional Royal Blue sapphire can outperform many standard diamonds in terms of appreciation.
Partagez ce post
Découvrez d'autres articles qui peuvent vous intéresser pour approfondir votre passion pour la joaillerie !
View all