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Jewellery, techniques and stones.
Articles on lost-wax casting, the world of gemstones and handmade jewellery.
Interactive gemstone guide
Fifteen gemstones, their properties and a map of their main origins.
By Thibaut · 25 min · 11 Oct 2026
Read article →Interactive gemstone guide
Fifteen gemstones, their properties and a map of their main origins.
The Diamond
The diamond is the hardest gem nature has ever produced — a perfect score of 10 on the Mohs scale. It forms more than 150 kilometres deep, under extreme pressures and temperatures, before being brought to the surface by volcanic eruptions...
How to tell if your jewellery is real silver or an imitation — without going to a jeweller
You do not need a laboratory to know if your jewellery is real silver. With these simple home tests you can check in less than a minute.
Slow jewellery: the movement changing how we buy and wear jewellery
Against throwaway costume jewellery, the slow jewelry movement proposes buying less, buying better and connecting with the origin of each piece.
The engagement ring as we know it is only 100 years old — and it was a marketing campaign
The tradition of the diamond engagement ring is more recent than you think — it was invented by a mining company in the 1940s.
Why is sterling silver called "925" — and what do those numbers engraved on your jewellery mean?
That number engraved on your silver jewellery is not a random code. We explain what 925 means, why pure silver cannot be used to make jewellery, and how to read the marks on your pieces.
Jewellery in Ancient Egypt: why pharaohs were buried with their jewels
The Egyptians were the first great jewellers in history. Their pieces were not just ornament — they were protection, power and communication with the gods.
From the workbench to your finger: how a ring is made from start to finish
Behind every ring there are hours of work, design decisions, specialised tools and a great deal of patience. We walk you step by step through the process of making an artisan jewellery piece.
Gold 9K, 14K, 18K, 24K: what karats mean and which you should choose
The karat of gold measures purity, not size. We explain what each denomination means, how it affects colour and durability, and which is best for each type of jewellery.
What is lost-wax casting and why has it been jewellers' favourite technique for 5,000 years?
Lost-wax casting is one of the oldest techniques in human history. We explain how it works, why it remains irreplaceable, and what makes every piece created this way truly unique.
The difference between cast and forged jewellery — and why it matters
Not all handmade jewellery is made the same way. We explain the two main manufacturing techniques, how they differ and how they affect the final result of each piece.
Jewellery hallmarks: how to read the marks engraved on your jewellery
Those small symbols engraved on your jewellery have a precise meaning. Learn to read jewellery hallmarks from Spain and internationally.