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Fine Jewellery, Trends & Advice

Explore our articles on trends, care tips and inspiration to help you find the perfect piece.

How to Clean Your Precious Stones: A Care Guide for Radiant Jewellery

Bonnot Paris · The Precious Stones Journal 2026 How to Clean Your Precious Stones Lukewarm water, mild soap, a soft brush—and a few absolute no-nos. The protocol, family by family, and what belongs in the workshop rather than the bathroom. By François Deprez, founder · Care · 7 min · September 2026 […]

Bonnot ParisApril 29, 2026

How to Clean a Sapphire: A Complete Guide to Caring for Your Jewellery

Bonnot Paris · The Precious Stone Journal 2026 How to Clean a Sapphire Four steps, once a month. When ultrasound is suitable, which treatments change everything, and why a ring that has lost its shine almost never has a problem with the stone. By François Deprez, founder · Care · 7 min · September […]

Bonnot ParisApril 29, 2026

How to care for your blue sapphire ring?

Bonnot Paris · The Precious Stones Journal 2026 Your blue sapphire ring, in ten years’ time The rhodium wears away, the prongs become worn, the band grows thinner. What a ring becomes over the years — and the three appointments that help it last. By François Deprez, founder · Complete guide · 6 min […]

Bonnot ParisApril 29, 2026

How to Choose Your Wedding Band?

Bonnot Paris · The Precious Stones Journal 2026 How to Choose Your Wedding Band Straight or curved, what width, what metal, pavé-set or understated. And above all: why this decision should be made when designing the engagement ring, not years later. By François Deprez, founder · Guide · 8 min · September 2026 […]

Bonnot ParisApril 29, 2026

How to Propose

Bonnot Paris · The Journal of Precious Stones 2026 How to Propose The three questions to resolve beforehand, how to find out her ring size without giving the game away, when and where — and what happens straight afterwards. By François Deprez, founder · Complete guide · 7 min · Updated August […]

Bonnot ParisApril 29, 2026

How Much Does an Emerald Cost?

Bonnot Paris · The Precious Stone Journal 2026 How Much Does an Emerald Cost? Real price ranges, drawn from our own inventory. Why two stones of the same weight can vary threefold, how oiling affects value, and what the same budget buys elsewhere. By François Deprez, founder · Price guide · 8 min […]

François DeprezApril 29, 2026

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