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Go to the shopWhat you should know
The beauty of jewelry and watches is valued by certain factors, starting with knowledge, expertise and a great passion for jewelry and gemology. At Bijouterie B. SERKOS, we are proud to pass this knowledge on to you, helping you to make an informed decision before any purchase; all this in a very comfortable atmosphere.
We invite you to come and see our new modern show room. We will be happy to welcome you.
FUNDAMENTAL ELEMENTS OF THE DIAMOND
THE CARAT
The mass of a diamond is measured not by its dimensions, but by its weight. One carat, the traditional unit of measurement for diamonds, is 0.2 grams. You may have heard that the weight of a diamond also equates to points. One point is equal to 1/100 of a carat. As a result, a 75 point diamond is equivalent to 0.75 carat. Diamonds of different shapes can have equal weight, depending on their depth and proportions. Larger diamonds are all the more valuable and sought after because of their great rarity.
SIZE
When you think of the cut of a diamond, you probably think of its shape. You are partially right. Although the size refers to the shape, it also refers to the proportions of the size of the diamond. Diamonds are cut from their rough into different shapes, depending on the consumer's guidelines. The most popular shapes include the round, oval, square, princess, emerald, baguette, and marquise shape. Several specialty forms are also available. The proportions of the whole diamond, as well as its size and the arrangement of its many surfaces or facets also play a large role in its "cut". The consistency and balance of these elements also have a great influence on the scintillation of the stone.
THE COLOUR
With the exception of a few fancy colored diamonds, the most valuable diamonds have the least color. The color scale for transparent diamonds ranges from D to F (colorless), G to J (almost colorless), K to L (barely visible yellow), to Z (pale yellow). Completely colorless diamonds are rare. When diamonds have traces of other minerals, rare and beautiful colors can arise. These "fancy colors" range from blue to bright yellow to red, brown, pale green, pink and purple. Their rarity makes natural colored diamonds highly sought after and can be of great value.
CLARITY
The clarity of a diamond is measured by the presence or absence of visible flaws. Slight surface imperfections or internal inclusions, even those that can only be discerned under the jeweler's magnifying glass, can alter the brilliance of the diamond and, indeed, its value. Clarity levels range from diamond perfection (F, IF), gradually descending to tiny inclusions (VVS1 and 2), to very small inclusions (VS1 and 2), to small inclusions (SI1 and 2) and many inclusions or imperfections (I1, I2 and I3).
WATERPROOFING
Many watches often have a distinct seal stamped on the back indicating a depth (BAR, ATM, meters or feet), resistant to static pressure for a short time only at the depth indicated. It can range from 30 to 1000 meters, resistant to accidental splashes, to high impact water sports to scuba diving.30 meters / 100 feet / 3 bar: These watches can withstand minor splash moisture, but should not be worn for swimming, diving, bathing or showering. Most people believe that the "water resistant" engraving on the dial means the watch is sealed for swimming, diving, showering, etc. Not true. They should not be used underwater.50 meters / 164 feet / 5 bar: These watches can be used for swimming in shallow water, but not for snorkeling or other water sports.100 meters / 328 feet / 10 bar: These "divers" watches can be used for snorkeling, swimming and other water sports, but not for deep sea diving or scuba diving.200 meters / 66 bar: Suitable for high impact water sports and water diving that does not require helium.300-1000 meters: These are professional divers watches and can be worn for deep water diving.
Our Recommendation
The water resistance of watches is not permanent. The seals around the crown, crystal and caseback are subject to wear. Every time a watch is opened for maintenance or a battery change, a leak test should be performed and the gaskets should be replaced.Avoid contact with perfumes, spirits or products.
