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Materials guide

All about Diamonds : Carat, Color, Care

Guaranteed diamond quality

For over 70 years, MATY has been certifying the authenticity of your diamond. Every year, our diamond specialists check the quality of several thousand carats of diamonds.

Innovation: synthetic diamond

Natural or MATY gives you the choice... From a fragment of natural diamond it is now possible to produce synthetic diamonds for the jewelry industry. Certified, more affordable, with the same physical and visual properties, synthetic diamonds synthetic diamonds are a genuine alternative to natural diamonds.

Discover this precious stone and its manufacturing secrets... Learn more about synthetic diamonds.

the 4 Cs of diamonds: Color, Clarity, Cut and Carat

The quality of a diamond results from the combination of 4 internationally recognised internationally recognized criteria: Color, Clarity (Cut and Carat. At MATY we go up to 6 criteria.

  • Color

    Diamond color

    All diamonds may appear white, but when placed placed on a well-lit white sheet, they often show a slight a slight yellow coloration. The color of a diamond of a diamond on an international scale from D to Z. from D to Z, i.e. from exceptional white + to pale yellow. that the whiter the diamond, the rarer it is.
    At MATY, we select diamonds graded G, H and I I, i.e. from extra white to nuanced white.

    Around the world, diamonds come in all colors from rainbow to limpid white to black. black diamond. The most sought-after to date is the red diamond. It so rare that we currently know of only only 11 stones with this hue in the world.

  • Clarity (Diamond purity)

    Diamond purity

    Most diamonds contain crystallization features called inclusions. By observing them with a 10x magnifying glass, we check that these natural imprints do not alter the brilliance and passage of light.
    At MATY, if inclusions affect the brilliance of a diamond, it is immediately rejected by our diamond dealers.

  • Cut (Diamond cut)

    Material Guide: Diamond

    Cutting is the art that reveals a diamond's beauty! It is the only the only one of the 4 criteria to depend solely on human by diamond cutters. A quality cut requires perfect proportions and symmetry proportions and symmetry to allow the ideal path of light through the stone.
    The brilliance of your stone depends on this. At even a pure white diamond will be dull if it is badly cut.
    MATY selects diamonds that must be cut to cut to highlight your future diamond.

  • Carat (Diamond weight)

    Diamond carat

    The weight of a diamond, like that of all gemstones gemstones, is expressed in carat (ct). The carat is an ancient unit of ancient unit of measurement, calculated from the seed of the carob seed, which had the particularity of keeping its weight constant weight. One carat is equivalent to 0.20 grams and is divided into 100 hundredths.

    Discover the the secrets of our craftsmen including those of our diamond and gemologist. They speak and share with you the behind-the-scenes secrets of their behind the scenes.

MATY criteria for diamond selection

MATY imagines, creates and offers diamond jewelry 4 international quality criteria. To enable you to your diamond jewelry purchases with complete confidence, we have we have chosen to add criteria that reflect our own values:

  • The fifth C: Confidence

    MATY is committed to respecting the international the 4 Cs. But, because the purchase should be made with full knowledge and with all the guarantees from a specialist jeweler, we are committed to adding a we are committed to adding a 5th criterion: Trust, the cornerstone of our relationship with you.
    All our MATY jewelry is guaranteed for 2 years.

  • The sixth C: choice

    Natural or synthetic, at MATY there's a diamond for every every desire and every budget.
    Diam Emoi is our collection of synthetic diamond jewelry: Wedding rings, rings earrings, necklaces... at more affordable prices than natural diamonds.

Did you know?

Diamonds are born of volcanic heat and pressure more than 150 km underground, long before the age of the dinosaurs. The youngest diamond is at least 600 million years old!

Caring for your diamond :

In order to preserve the shine and brilliance of your jewelry, you must you must keep them away from greasy and/or corrosive products (perfume, cleaning products...). This advice also applies to diamond jewelry: diamond rings, diamond earrings, diamond necklaces, diamond bracelets, diamond pendants pendants, etc.

If you wish to clean your diamond ring, for example, simply diamond ring, for example, simply brush it with a small brush brush and soapy water. For your gold and silver silver jewelry, you can also use our diamond our cleaning kits.