Gemstone · Birthstone for April

Diamond

Diamond is the hardest substance ever found on earth. It is the only gemstone made of a single element: pure carbon that has crystallised under extremely high pressure and temperature. This happens deep inside the earth, 150 to 200 kilometres below the surface. Of all the diamond that is found, only around 20% is suitable for jewellery.

Today there are also lab-grown diamonds. They are made in a laboratory under the same conditions in which they grow in nature, with high temperature and pressure. These diamonds have the same properties as natural ones; only their origin differs. They are also up to 50% less expensive, which puts diamonds within reach of a much wider public.

Colour: Colourless, sometimes yellow, brown or pink
Hardness (Mohs): 10
Birthstone: April

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A rough diamond

On the one hand diamond is rare, because only a small percentage is good enough for jewellery. On the other hand, a great many of these stones are found deep in the earth. Diamonds are valuable, because value lies in scarcity, and craftsmanship adds to that value. A rough diamond is worth less than a cut one.

Sustainability is a broad concept. Essentially it means keeping people, the environment and the economy in balance, so that the earth is not exhausted. Lab-grown diamonds are therefore a sustainable choice: because they are not mined, they have no mining impact on nature.

Enchantment and beauty

The word diamond comes from the Greek ‘adamas’, meaning invincible, which has come to stand for everlasting fidelity. Until the fifteenth century diamonds were worn only by kings and rulers, as a symbol of power, courage and invincibility. Today many more people wear them, and with a different meaning: romance, mystery, passion, enchantment and beauty.

Care

Diamonds can take a knock, but they quickly lose their sparkle through skin oils or soap residue. Clean them with lukewarm water, a drop of washing-up liquid and a soft brush. Rinse well and polish with a lint-free cloth.

Discover our collection of sustainable diamond jewellery.

Frequently asked questions

How hard is diamond?

Diamond has a hardness of 10 on the Mohs scale, which makes it durable enough for jewellery you wear every day, such as a ring.

Which month is diamond the birthstone for?

Diamond is the birthstone for April. Read more about the April birthstone.

Do I get a certificate with diamond jewellery?

Yes. Our gemmologist examines the stones before a piece goes online, and the description states which stone it is. Every piece comes with a certificate.