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GEMNAT Education
Diamond Full Guide
The Diamond: An Eternal Stone
For centuries, the diamond has symbolized purity, light, and commitment.
Its natural rarity and incomparable brilliance make it the most iconic gemstone in fine jewelry.
At GEMNAT, we work exclusively with 100% natural diamonds, carefully selected for their beauty, balance, and individuality.
Each diamond is shaped by the Earth itself over billions of years.
What Is a Diamond?
A diamond is composed of pure crystallized carbon.
It forms more than 150 kilometers beneath the Earth’s surface under extreme pressure and temperature.It is the hardest natural substance known, ranking 10 on the Mohs scale of hardness.
This exceptional durability allows it to withstand the passage of time without losing its brilliance.
A diamond is eternal, symbolically and physically.
About
The 4Cs of a Diamond
A diamond’s quality and value are determined by four universal criteria known as the 4Cs.
Carat – Weight
Carat measures the weight of a diamond.
One carat equals 0.20 grams.
The higher the carat, the rarer the stone.
However, proportions and cut significantly influence how large the diamond appears visually.
Color – Purity of Hue
White diamonds are graded on a scale from D (colorless) to Z (noticeable yellow tint).
The most rare diamonds are completely colorless.
Slightly warmer tones can offer a subtle balance between brilliance and character.
Cut – Brilliance
Cut is the most important factor affecting a diamond’s sparkle.
A perfectly proportioned cut allows light to enter the stone, reflect internally, and return with maximum brilliance.
A well-cut diamond will shine more than a heavier diamond with poor proportions.
Clarity – Natural Purity
Clarity refers to the presence of natural inclusions formed during the diamond’s creation.
Most inclusions are invisible to the naked eye.
A slightly included diamond may appear visually identical to a flawless one without magnification.Each natural diamond carries its own internal signature a trace of its geological origin.
100% Natural Diamonds
At GEMNAT, we work exclusively with natural diamonds
.
A natural diamond forms deep within the Earth over billions of years. Its rarity is intrinsically linked to its geological origin and formation time. Beyond composition, it is the authenticity, heritage value, and natural rarity that define its character.
All our diamond rings, diamond earrings, diamond pendants, and diamond bracelets
are crafted with 100% natural diamonds, ensuring each piece is unique and authentic.
The natural origin of every GEMNAT diamond is certified and guaranteed.
Diamond Shapes
A diamond’s shape refers to its external outline.
Each geometry influences how light is reflected and how the stone appears once set.
Round
Cushion
Oval
Pear
Emerald
Princess
Trillion
Certification
A diamond may be accompanied by a certificate issued by an independent gemological laboratory such as:
- Gemological Institute of America (GIA)
- International Gemological Institute (IGI)
This document precisely details the diamond’s 4Cs and guarantees its characteristics.
At GEMNAT, each piece is delivered with a certificate confirming the specifications of the selected stone.
FAQ
Yes.
At GEMNAT, we work exclusively with 100% natural diamonds, formed within the Earth over billions of years. Their origin and authenticity are guaranteed.
To the naked eye, they can appear similar.
However, only specialized gemological equipment can determine a diamond’s origin.At GEMNAT, every diamond is natural and carefully selected.
All four criteria matter, but cut has the greatest impact on brilliance.
A perfectly proportioned cut allows maximum light return, enhancing sparkle and fire.
Not necessarily.
Carat measures weight, not beauty. A well-cut smaller diamond can appear more brilliant than a larger one with poor proportions.Balance between the 4Cs is key.
Most inclusions are invisible to the naked eye.
Grades such as VS or even some SI diamonds can appear perfectly clean without magnification.
Pricing depends on:
- Carat weight
- Cut quality
- Color grade
- Clarity grade
- Overall rarity
Even small differences in grading can significantly affect value.
No.
Diamonds do not lose brilliance. They may accumulate residue from daily wear, but professional cleaning restores their full sparkle.
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