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Diamond

Diamond

← Natural stones

Chemical formula – C
Hardness – 10
Colour – colourless, yellow, brown, blue, red, golden, black

A diamond is a crystal of pure carbon and the hardest natural substance on Earth. Strictly speaking, the mineral is the raw stone and the brilliant is its cut form: everyday speech blurs the two, though the difference is simple — one comes out of the ground, the other out of a workshop.

Diamond forms in the Earth's mantle, some 140 kilometres down, under enormous pressure and heat, and the process takes between 1 and 3.3 billion years. It reaches the surface through kimberlite pipes during volcanic eruptions.

Today the diamond is a symbol of wealth, and for its perfect structure it is called the queen of gems. Yellow and brown stones are the most common; red is the rarest of all.

Origins

At least half of the world's diamonds have been mined in South Africa. Other suppliers include Russia, Botswana, Congo, Angola, Namibia, Australia, Brazil, India and Canada.

Properties

Esoteric writers call the diamond a stone of light, its high-frequency energy tied to the Sun. It is described as a spiritual stone and a symbol of perfection and radiance.

The diamond is said to sharpen inner vision, imagination and creativity, which is why people who need to see their own ideas clearly are drawn to it.

Traditional healing properties

Lithotherapists hold that diamond works well on the brain, the nerves and the sense organs. The same tradition advises against wearing one during depression or paranoid states.

This describes traditional practice, not medical advice. Mental health belongs to a specialist.

Chakras

The diamond is associated with the crown chakra — sahasrara.

Which zodiac sign it belongs to

The diamond is the stone of April, so traditionally it belongs first of all to Aries, the sign that takes naturally to beginnings and first steps.

April also covers Taurus, which gives the stone a second natural home: the sign that values worth, stability and things made to last.

In Charcho jewellery

We have no diamond piece in the catalogue yet, but we take custom orders. In a necklace a diamond works either as the single main stone or as a small accent beside another stone. Catalogue: necklaces.

A cut diamond

Real or fake

  • Cubic zirconia and moissanite are the usual stand-ins; moissanite throws a stronger fire.
  • Lab-grown diamonds have been made in the USA since 1999. Chemically they are identical to natural ones, and only a professional can tell them apart.
  • A suspiciously cheap large stone is almost always glass or synthetic.
  • Trust a certificate from an independent laboratory more than a seller's word.

A cut diamond

Care

Hardness 10 means nothing will scratch a diamond, but it has a plane of cleavage and a hard knock can split it, especially at the edge. Store it separately so it does not scratch other stones. Warm water, a soft brush and a dry cloth are enough.

See also

Every Charcho piece ships with a short care card. If anything is unclear, write to us and we will answer.
Keep reading

More from the journal

All articles
  • Batumi humidity and leather

    Batumi humidity and leather

    ← Leather

    In Batumi, Sakartvelo, the air is damp for most of the year, and in summer the coastal moisture is joined by heat. Leather is a living material: it breathes and takes moisture from its surroundings. That is why a leather piece here needs different care than in a dry climate, not more frequent care but more attentive care.

    What humidity does to leather

    Leather absorbs moisture at fibre level. From outside it is barely visible, but the piece becomes heavier and softer. When there is plenty of moisture and the air does not move, the fibres stay wet for a long time. In that period leather is at its most vulnerable: it stretches easily, creases easily and picks up smells easily.

    On the other hand, humidity protects leather from drying out. The difficulty of the Batumi climate is not the damp itself, but that a piece often sits in a closed, unventilated place.

    Mould: how it starts

    Mould spreads by spores and looks for moisture and darkness. The first signs are a whitish or greenish bloom in the folds and near seams, and a smell you notice the moment the bag opens.

    What to do: take the piece into the air, in the shade, without a hairdryer, and let it dry. Then lift the bloom carefully with a soft dry cloth, outdoors, so the spores do not stay in the house. The surface can be wiped with slightly diluted vinegar, and afterwards a colourless conditioner goes on, because vinegar adds dryness.

    What not to do: no brush, no bleach-based products, no hot air. If mould has gone into the leather or the colour has turned patchy, show the piece to a craftsman.

    Deformation: leather stretches

    Wet leather takes a shape more easily than anything. A bag soaked in the rain and left hanging by its handle will stretch over time; a belt always fastened at the same hole creases exactly there. An overfilled wallet loses its corners.

    The answer is simple: a wet piece always dries flat or in its natural shape, with paper inside, never hanging.

    Daily habits

    • Never keep a bag in the bathroom, where humidity is highest.
    • When you get home, open the bag and leave it open for an hour.
    • Rotate your bags: leather needs rest.
    • In the cupboard, a moisture absorber and cotton bags, not polythene.
    • Direct airflow from an air conditioner dries leather, but ventilating the room is good.

    The long rains

    In Batumi, days of steady rain are ordinary. A bag comes home wet and there is not always a chance to leave it open all day. Two things are enough: paper inside, and a window open overnight. By morning the leather is dry.

    Once a month, look the bag over: seams, corners, where the handle attaches. An early sign is easy to correct; a late one is already a repair.

    See also

  • Leather history: from craft to luxury

    Leather history: from craft to luxury

    ← Leather

    Leather is older than the wheel and older than writing. For most of its life it was a cheap, rough material: it kept thorns out of a foot, held water on a journey, made a strap that did not snap. It reached the display case fairly recently, and the price tag is now explained by hand-stitching rather than by usefulness. Between those two points the road has a few clear bends.

    The oldest trace

    A hunter found in the Alps — known today as Ötzi — lived around 3300 BCE. His cap, coat and shoes were leather: bearskin soles, uppers laced with lime bast. Those pieces have held their shape for more than five thousand years. It is the strongest argument leather has, and we have never found a better one.

    Earlier still, in the Stone Age, hides were worked with smoke, fat and brains. In ancient Egypt leather became sandals, bags and waterskins, and alum was already used to dress skins. Excavations at Pompeii uncovered workshops where hides were processed — by the first century CE this was a city trade, not a household chore.

    A craft kept outside the walls

    In medieval Europe the tanner and the shoemaker sat in different guilds, with different prices and different standing. Tanning happened by the river, outside the town wall: it needed water, and the smell was not welcome indoors. Hides soaked in oak-bark liquor for months. That slow process produced the material we now call vegetable-tanned leather — and it is why old leather ages the way it does.

    Chrome and the sewing machine

    In 1858 Friedrich Knapp patented chrome tanning in Germany; in the 1880s Augustus Schultz worked out the two-bath process. Tanning fell from months to days. At the same time the sewing machine, spreading through the 1850s, took over part of the stitching. Together they turned a craft good into a product almost anyone could buy.

    How it became luxury

    In the second half of the nineteenth century, houses in Paris and Florence turned craft into brand. Hermès began in 1837 as a harness workshop, Louis Vuitton in 1854 with travel trunks, Gucci in Florence in 1921. Railways, then aircraft, made travel ordinary, and the trunk became a sign of who you were. Leather stopped being only a tool and started being a statement.

    Our place in that story

    Two families work in our workshop in Batumi, Sakartvelo — Chartolani and Chogovadze — and we have been cutting and stitching side by side for eighteen years. We invented nothing here. We keep the principle the medieval workshop kept: slow work, honest material, and a piece made to be handed on. There is nothing luxurious about that. It is simply the norm.

    See also

  • Leather and sustainability: myth and reality

    Leather and sustainability: myth and reality

    ← Leather

    Two opposite sentences get said about leather: "it's a by-product of the meat industry, so it's fine" and "it's an animal's skin, so it's not". Both hold half a truth, and those halves are exactly what stops people making a sensible decision.

    A by-product — but not a free one

    Leather is a companion product of meat and dairy. Cattle are not raised for their hides. If the raw material is not processed, it becomes waste: buried, burned or stockpiled. Seen that way, tanning is genuinely a smaller loss than throwing hides away.

    But "by-product" does not mean "no cost". Tanning needs water, chemicals and energy; transport needs fuel. The price paid for a raw hide is a small share of what the animal is worth, so leather production does not fund livestock farming. That argument is usually overstated — it only sounds clean if you stop looking at the whole chain.

    Chromium, water and tannins

    Most of the world's leather is tanned with chromium salts. Trivalent chromium itself is not the danger; the trouble starts where the process is badly run and hexavalent chromium forms, or where wastewater is not treated at all. Tanneries working under regulation clean their water. Informal workshops often do not.

    Vegetable tanning uses tannins from bark and needs no chromium. In exchange, the process runs for weeks, uses a lot of water, and produces effluent heavy with organic load. So "vegetable equals green" is too simple an equation: the shape of the problem changes, its existence does not.

    Are synthetics actually cleaner?

    Polyurethane and PVC come from petrochemicals. They do not break down the way leather does, they shed microparticles under hard wear, and they often fail within two or three years. Plant-based "vegan leather" usually binds its fibre with a polyurethane binder — so the plastic is still there. The impact is different, not absent.

    What genuinely works

    • Longevity. One leather bag carried for fifteen years beats three cheap replacements.
    • Repair. A handle, a clasp and a seam can all be fixed, and that adds years to a piece.
    • Transparency. Some tanneries submit to independent audit (LWG), so asking "where is this leather from?" is always fair.
    • Care. In Batumi's humidity leather drifts toward mould; a dry, ventilated place and occasional conditioning are enough.

    What we say

    We do not call ourselves an eco-brand and we do not sew on a green label. We say only what we can stand behind: we buy hides as a by-product, we ask suppliers questions, we do not throw offcuts away — small pieces become small goods — and we build a bag so that it can be repaired. That is not a sustainability certificate. It is simply our rule.

    See also