Diamond (Greek word adams - invincible) is a colorless, crystalline solid with a large index of refraction of light. Diamond is an allotrope of carbon. He is the hardest mineral in nature. Therefore, it is used for cutting, grinding and polishing other softer materials. On Mos scale of hardness it ranks the highest with the hardness of 10.
Carbon atoms occupy tetrahedral diamond structure, each carbon atom has 4 sigma bonds. The hardness and the ability of the diamond to refract light as a result of its structure.
Cutting and polishing of diamonds obtains BRILLIANT which is used in jewelry. Polishing is carried out by diamond dust.
Based on the foregoing we conclude that the diamond is the hardest and the stone with the most shine. More needs to be familiar with some of the characteristic of the diamond to go shopping. Our goal is to make you the best offer for the amount of money that you spending and choose the best jewelry with the best stones.
4 factors affect on the price of the diamond. There are 4 letters C, which help us in determining the quality of a diamond.
CARAT - carat is a measure of weight for precious stones (1ct = 0,20gr)
COLOR - color. The absence of colors on diamonds is wanted.
CLARITY - purity. It is common to have small inclusions and small crystals inside the stone
CUT - grinding. What is actually implied by grinding is shape and cutting quality. The most common shape is round briliant cut, or, as we say it BRILLIANT.

CARAT (weight)

DIAMOND - CARAT (weight)

This is a term that is always the same. So it is a fact that 1ct weight 0,20gr. It does not mean that everything that is bigger is also more valuable, but in this case it is. A diamond in the piece, which, for example, weighs 2ct has a higher value than 4 diamonds weighing 0,5ct simply because in nature it is rare to find big diamonds. Diamonds are measured to an accuracy of two decimal places, you should not be surprised if the certificate might say Ct 0.15 or 0.33 or 1.23. Every jeweler who sells diamonds or other precious stones is obliged to issue a certificate of its fineness, purity, price, stamped and signed obligated with full responsibility.

COLOR (Color)

Colors of the DIAMOND

Diamonds exist in all the rainbow colors but on the market are most often colorless or nearly colorless. There are also "fansy" diamonds in colors such as blue, pink or red. Graduation of price rates for stones is done by determining the absence of color in the stone. Less color, more gradation which means higher price. The most expensive are absolutely colorless diamonds and fansy diamonds because they are rare. For fansy diamonds there is a rule – with more intensive and cleaner color, the higher the price.
When people realize how small differences in color may differ the price, often for the same money you decide to buy a rather larger stone with a lower tonal color.

CLARITY (purity)

Cleanliness of diamond - Clarity

It is rare to find diamond whose purity is graded by experts using optical 10x increase, because they do not see the inclusions inside the stone, nor external irregularities. Such stones that come straight from nature are very expensive (natural and proper). On the other hand there are a lot of stones that is full of inclusions which negate the beauty, durability and cost. There is a rock that is between these two species, but his disadvantages of notable inclusions do not ruin the beauty and durability, nor the price. It should be said that each stone with the inclusion is bad stone.

CUT (Cutting)

Cutting the diamond – Grinding the diamond

Cutting or grinding diamonds is the only human contribution to the beauty of diamonds. Grinding diamonds began in the 17th century. Then the diamonds were grined in a semicircular shape, like water drop or other shapes. Experts worked in the highest floors of houses where light were best. In the second half of the 19th century after a long experimentation Henry Morris published the first modern brilliant grinding wheel, which was later perfected and better mathematically explained. Today, well-cut diamond can be a good fire to minimize the bad effects of lower rank color or to cover a smaller inclusion. In practice, you can often come across the stones that cut is far from ideal, so as to save on the weight of unprocessed crystal. So if we have two stones where carats, color and clarity match, and grinding at one stone is significantly worse, it can be sold for a good price. When purchasing a stone you should pay attention to good or bad grinding, because prices are often approximate.

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