Carat - Weight
The weight of a diamond is given in carat
Color - Color
The whiter / more colourless a diamond is, the more valuable it is
Clarity - Purity
This unit determines the purity of a diamond
Cut - Cut
The cut is the most important criterion of a diamond
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GIA - THE TOP INTERNATIONAL CERTIFICATE FOR DIAMONDS
Choose the best security and transparency for your diamonds.
QUALITY AND TRUST
Only a recognized certificate gives you the certainty of the authenticity of a diamond. However, the evaluation framework in this case is broad. For this reason, we, at 123GOLD, have decided to collaborate exclusively with the best and most recognized laboratories. The most reliable analyzes confirm both us and our customers that indeed the quality mentioned is the right one, and thus the diamond has the right value.
THE BENEFITS OF A CERTIFICATE
The best „quality label“ for diamonds
100% surety and guarantee
Certificate of authenticity and proof of ownership
HERE'S WHAT TO WATCH OUT FOR WHEN BUYING DIAMONDS
When choosing a diamond, you need to be sure that the diamond meets the high quality criteria and therefore its value.
Terms such as "flawless" are most familiar to buyers - the least it is clear, however, that this quality feature alone is not enough.
The quality of a diamond is determined by the 4 C's.
The weight of a diamond is given in carats (abbreviated "ct."). 1 carat corresponds to 0.2 grams and is divided into 100 points. Therefore, a half carat weighs 0.1 grams and has 50 points. The weight of a diamond should not be confused with its size, which is also influenced by its dimensions and the way it is cut.
The word carat comes from the Greek "Keration", which stands for the fruit of the carob tree, a miracle of nature: each full-grown seed weighs exactly the same, namely 0.2 grams. This is why these seeds were used by jewellers in ancient times as a reliable unit to determine the weight of gold and precious diamonds, and why a metric carat still corresponds to 0.2 grams today.
Diamonds of all sizes are used in jewellery; brilliants from ¼ carat upwards are particularly suitable for solitaire rings. The table below gives an overview of the different sizes of diamonds and their diameters. The diameter is approximate, as it can vary depending on the way the diamond is cut.
Diamonds come in all colours of the rainbow. In principle, the more colourless the diamond, the more sparkling and valuable it is. The most precious specimens are diamonds in the colour 'River' (very fine white), followed by 'Top Wesselton' (fine white) and 'Wesselton' (white, standard quality).
Depending on the laboratory, the colour of diamonds is defined differently.
River, the least colourful, blue-white diamond, corresponds to the letters D and E.
F and G are used for the fine white of Top Wesselton and
diamonds with the colour Wesselton are white and are indicated with the letter H.
The so-called Fancy Diamonds, also called Fancies, clear and evenly coloured diamonds, have an even higher market value nowadays. Fancies account for only 1 percent of the worldwide production. Especially intensely red and pink coloured diamonds are very rare and therefore expensive. The currently most expensive diamond in the world, a pink-coloured emerald-cut brilliant with a weight of 24.7 carats, was bought by a diamond dealer at auction for more than 46 million dollars.
The less other materials are embedded in the diamond, the purer the diamond is. Inclusions refer to embedded minerals, cracks or other imperfections that cause less light to penetrate the diamond. For diamonds used in jewelry, it is important that these impurities are not visible to the naked eye. When diamonds are used as an investment, the degree of purity is of even greater significance. Brilliantly pure diamonds, in which no impurities are visible even under tenfold magnification, are considered the purest diamonds and are therefore extremely rare. The degree of purity is classified as follows:
|FL||Flawless||free from inclusions and extraneous features|
|IF||Internally Flawless||Free of Inclusions|
|VVS1-VVS2||Very, Very Small Inclusions||very, very small inclusions at tenfold magnification|
|VS1-VS2||Very Small Inclusions||Very Small Inclusions at Tenfold Magnification|
|SI1-SI2||Small Inclusions||Small Inclusions barely recognizable with the naked eye|
|P1-P3||Piqué||Clearly visible to the naked eye inclusions|
For small diamonds, this classification is used somewhat more broadly. For example, instead of VS1 or VS2, only VS is indicated. However, it is not just about purity, it is also the impurities that make each diamond unique.
All diamonds purchased from 123GOLD have at least an SI quality (small inclusions).
The method of polishing determines the degree of brilliance of a diamond and is therefore the criterion for determining the beauty of a diamond. After all, the proportions are decisive for the reflection of light. The ideal cut ensures extraordinary brilliance, optimal proportions and symmetry. So the better the cut, the more beautiful the brilliance and the better the diamond's proportions. The degree of brilliance varies from "very good" (= perfect brilliance), "good" (= good brilliance), "medium" (= medium brilliance) or "unusual" (= little brilliance); with proportions and symmetry, the deviations increase with decreasing quality of the diamond.
|Excellent||Optimum cut||Best possible brilliance, no externalities|
|Very Good||Very Good sharpening||Excellent clarity, few or only minor external features|
|Good||Good sharpening||Good clarity, some external features|
|Fair||Medium sharpening||The brilliance decreases. several important external features|
|Poor||Not excellent cut||The brilliance is significantly reduced, large and/or numerous external features|
Every diamond in a piece of jewelry is cut in a certain shape, the most popular shape is brilliant cut with 57 facets. In addition, there are numerous other shapes such as princess, emerald, heart, oval, marquise or drop cut diamonds.
Cutting comes down to the skill and craftsmanship of the person working the diamond. The goal of perfectly polishing a diamond is the optimal reflection of light through the facets. Well-cut diamonds reflect the incident light almost completely.
In order to enjoy your diamond jewelry for a long time, we recommend the 123GOLD maintenance tips for your diamond jewelry.