You don't need to be a jeweler with years of experience to learn how to determine the carat value of a diamond. A general knowledge of the measurements is enough to find out how many carats are in any real diamond you have purchased if you suddenly have doubts about the integrity of the seller. And the diamond carat table will tell you what a diamond looks like if its weight is accurately determined to be 1 carat, and the sizes of diamonds of the corresponding weight.
Why this particular unit of measurement, why are stones not measured in grams?
The fact is that in the old days, or rather in the Middle Ages, there was only one way to accurately measure a small precious stone. For this purpose, we used the seeds of the acacia Ceratonia siliqua. Therefore, the word “carat” has taken root in their relation. They are unique in that they have almost the same mass - 0.2 grams. However, it fluctuated slightly around this figure, and subsequently the value of this unit differed slightly in different countries. And only in 1907, in Paris, the first international definition of how many grams are in a carat was approved - 0.2.
In fact, the mass of minerals in jewelry is measured in grams too. But usually this unit is used for less expensive stones that are not precious. So, about malachite weighing 5 carats, they will rather say that it weighs 1 gram. But no self-respecting jeweler would dare to describe a diamond, for example, 3 carats as “0.6 grams”. This is how it happened with these masters of their craft.
Diamond carat chart by size
AGREEMENT ON PROCESSING PERSONAL DATA
Personal data privacy policy
This Personal Data Privacy Policy (hereinafter referred to as the Privacy Policy) applies to all information that the site located on the domain name www.epldiamond.ru
(as well as its subdomains) (hereinafter referred to as the SITE), can obtain information about the User while using the site (as well as its subdomains), its programs and its products.
1. DEFINITION OF TERMS
1.1 The following terms are used in this Privacy Policy:
1.1.1. "Site administration"
(hereinafter referred to as the Administration) - authorized employees to manage the Site, acting on behalf of STOLICA DIAMOND LLC (hereinafter referred to as the Company), who organize and (or) carry out the processing of personal data, and also determine the purposes of processing personal data, the composition of personal data subject to processing, actions (operations) performed with personal data.
1.1.2. "Personal Information"
- any information relating to a directly or indirectly identified or identifiable individual (subject of personal data).
1.1.3. “Processing of personal data”
- any action (operation) or set of actions (operations) performed using automation tools or without the use of such means with personal data, including collection, recording, systematization, accumulation, storage, clarification (updating, changing), extraction, use, transfer (distribution, provision, access), depersonalization, blocking, deletion, destruction of personal data.
1.1.4. "Confidentiality of personal data"
— a mandatory requirement for the operator or other person who has access to personal data to not allow their distribution without the consent of the subject of personal data or the presence of another legal basis.
1.1.5. "Website"
is a collection of interconnected web pages located on the Internet at a unique address (URL): www.epldiamond.ru, as well as its subdomains.
1.1.6. "Subdomains"
- these are pages or a set of pages located on third-level domains belonging to the site, as well as other temporary pages, at the bottom of which the contact information of the Administration is indicated
1.1.7. "Site user"
(hereinafter referred to as the User) is a person who has access to the site via the Internet and uses the information, materials and products of the site.
1.1.8. "Cookies"
- a small piece of data sent by the web server and stored on the user’s computer, which the web client or web browser sends to the web server every time in an HTTP request when trying to open the page of the corresponding site.
1.1.9. "IP address"
- a unique network address of a node in a computer network through which the User gains access to the SITE.
1.1.10. “Product” is a product that the User orders on the website and pays through payment systems.
2. GENERAL PROVISIONS
2.1. Use of the site by the User means acceptance of this Privacy Policy and the terms of processing of the User’s personal data.
2.2. In case of disagreement with the terms of the Privacy Policy, the User must stop using the site.
2.3. This Privacy Policy applies to the site. The site does not control and is not responsible for third party sites that the User can access via links available on the site.
2.4. The Administration does not verify the accuracy of the personal data provided by the User.
3. SCOPE OF THE PRIVACY POLICY
3.1. This Privacy Policy establishes the Administration’s obligations to non-disclose and ensure a regime for protecting the confidentiality of personal data that the User provides at the Administration’s request when registering on the site, when subscribing to an e-mail newsletter and/or when placing an order.
3.2. Personal data permitted for processing under this Privacy Policy is provided by the User by filling out forms on the website and includes the following information:
3.2.1. last name, first name, patronymic of the User;
3.2.2. User's contact phone number;
3.2.3. email address (e-mail)
3.2.4. place of residence of the User (if necessary)
3.2.5. delivery address of the Product (if necessary)
3.3. The site protects Data that is automatically transmitted when visiting pages:
— IP address;
— information from cookies;
- browser information
— access time;
— referrer (address of the previous page).
3.3.1. Disabling cookies may result in the inability to access parts of the site that require authorization.
3.3.2. The site collects statistics about the IP addresses of its visitors. This information is used to prevent, identify and resolve technical problems.
3.4. Any other personal information not specified above (visit history, browsers used, operating systems, etc.) is subject to secure storage and non-distribution, except for the cases provided for in paragraphs. 5.2. and 5.3. of this Privacy Policy.
4. PURPOSES OF COLLECTING USER’S PERSONAL INFORMATION
4.1. The Administration may use the User’s personal data for the purposes of:
4.1.1. Identification of the User registered on the site for his further authorization, placing an order and other actions.
4.1.2. Providing the User with access to personalized site data.
4.1.3. Establishing feedback with the User, including sending notifications, requests regarding the use of the site, provision of services and processing of requests and applications from the User.
4.1.4. Determining the location of the User to ensure security and prevent fraud.
4.1.5. Confirmation of the accuracy and completeness of personal data provided by the User.
4.1.6. Creating an account to use parts of the site, if the User has agreed to create an account.
4.1.7. Notifications to the User by email.
4.1.8. Providing the User with effective technical support if problems arise when using the site.
4.1.9. Providing the User, with his consent, with special offers, pricing information, newsletters and other information on behalf of the site.
4.1.10. Carrying out advertising activities with the consent of the User.
5. METHODS AND TERMS OF PROCESSING PERSONAL INFORMATION
5.1. The processing of the User's personal data is carried out without a time limit, in any legal way, including in personal data information systems using automation tools or without the use of such tools.
5.2. The User agrees that the Administration has the right to transfer personal data to third parties, in particular, courier services, postal organizations (including electronic), telecommunication operators, solely for the purpose of fulfilling the User’s order placed on the website, including delivery of Goods, documentation or e-mail messages.
5.3. The User's personal data may be transferred to authorized government bodies of the Russian Federation only on the grounds and in the manner established by the legislation of the Russian Federation.
5.4. In the event of loss or disclosure of personal data, the Administration has the right not to inform the User about the loss or disclosure of personal data.
5.5. The Administration takes the necessary organizational and technical measures to protect the User’s personal information from unauthorized or accidental access, destruction, modification, blocking, copying, distribution, as well as from other unlawful actions of third parties.
5.6. The Administration, together with the User, takes all necessary measures to prevent losses or other negative consequences caused by the loss or disclosure of the User’s personal data.
6. RIGHTS AND OBLIGATIONS OF THE PARTIES
6.1. The user has the right:
6.1.1. Make a free decision to provide your personal data necessary to use the site and consent to their processing.
6.1.2. Update, supplement the provided information about personal data if this information changes.
6.1.3. The user has the right to receive from the Administration information regarding the processing of his personal data, unless such right is limited in accordance with federal laws. The user has the right to demand from the Administration clarification of his personal data, blocking or destruction of it if the personal data is incomplete, outdated, inaccurate, illegally obtained or is not necessary for the stated purpose of processing, as well as take measures provided by law to protect his rights.
6.2. The administration is obliged:
6.2.1. Use the information received solely for the purposes specified in clause 4 of this Privacy Policy.
6.2.2. Ensure that confidential information is kept secret, not disclosed without the prior written permission of the User, and also not sell, exchange, publish, or disclose in other possible ways the transferred personal data of the User, with the exception of paragraphs. 5.2 and 5.3. of this Privacy Policy.
6.2.3. Take precautions to protect the confidentiality of the User's personal data in accordance with the procedure usually used to protect this type of information in existing business transactions.
6.2.4. Block personal data relating to the relevant User from the moment of application or request from the User, or his legal representative or the authorized body for the protection of the rights of personal data subjects for the period of verification, in the event of detection of unreliable personal data or unlawful actions.
7. RESPONSIBILITY OF THE PARTIES
7.1. The Administration, which has not fulfilled its obligations, is responsible for losses incurred by the User in connection with the unlawful use of personal data, in accordance with the legislation of the Russian Federation, except for the cases provided for in paragraphs. 5.2., 5.3. and 7.2. of this Privacy Policy.
7.2. In case of loss or disclosure of Confidential Information, the Administration is not responsible if this confidential information:
7.2.1. Became public domain until it was lost or disclosed.
7.2.2. Was received from a third party before it was received by the Resource Administration.
7.2.3. Was disclosed with the consent of the User.
7.3. The user bears full responsibility for compliance with the requirements of the legislation of the Russian Federation, including laws on advertising, on the protection of copyright and related rights, on the protection of trademarks and service marks, but not limited to the above, including full responsibility for the content and form of materials.
7.4. The user acknowledges that responsibility for any information (including, but not limited to: data files, texts, etc.) to which he may have access as part of the site lies with the person who provided such information.
7.5. The User agrees that the information provided to him as part of the site may be an object of intellectual property, the rights to which are protected and belong to other Users, partners or advertisers who post such information on the site. The User may not modify, rent, loan, sell, distribute or create derivative works based on such Content (in whole or in part), unless such actions have been expressly authorized in writing by the owners of such Content in accordance with terms of a separate agreement.
7.6. With regard to text materials (articles, publications that are freely available to the public on the site), their distribution is permitted provided that a link to the Site is provided.
7.7. The Administration is not liable to the User for any loss or damage incurred by the User as a result of the deletion, failure or inability to save any Content and other communication data contained on the site or transmitted through it.
7.8. The administration is not responsible for any direct or indirect losses resulting from:
— use or inability to use the site or individual services;
— unauthorized access to the User’s communications;
- statements or conduct of any third party on the site.
7.9. The administration is not responsible for any information posted by the user on the site, including, but not limited to: information protected by copyright, without the express consent of the copyright owner.
8. DISPUTE RESOLUTION
8.1. Before filing a claim in court regarding disputes arising from the relationship between the User and the Administration, it is mandatory to submit a claim (a written proposal or an electronic proposal for a voluntary settlement of the dispute).
8.2. The recipient of the claim, within 30 calendar days from the date of receipt of the claim, notifies the claimant in writing or electronically of the results of consideration of the claim.
8.3. If an agreement is not reached, the dispute will be referred to the Moscow Arbitration Court. If the dispute is not within the jurisdiction of arbitration courts, such a dispute is subject to consideration in the Zamoskvoretsky District Court of Moscow.
8.4. The current legislation of the Russian Federation applies to this Privacy Policy and the relationship between the User and the Administration.
9. ADDITIONAL TERMS
9.1. The Administration has the right to make changes to this Privacy Policy without the User’s consent.
9.2. The new Privacy Policy comes into force from the moment it is posted on the website, unless otherwise provided by the new edition of the Privacy Policy.
9.3. Any suggestions or questions regarding this Privacy Policy should be addressed to: .
9.4. The current Privacy Policy is available on the page at https://
Moscow city,
LLC "CAPITAL DIAMOND"
Cost of gemstones depending on weight
Of course, the more a sample weighs, the more it costs. This is one of the main criteria for evaluating it, along with cleanliness.
If we talk about a mineral such as diamond, then according to the number of carats it is divided into 4 groups:
- diamond chips (up to 0.010);
- small (up to 0.029);
- average (from 0.030 to 0.990);
- large (over 1,000).
The price increases (or decreases) greatly depending on the group, but, of course, within the same category the cost of copies can vary significantly. Moreover, the price of each unit of mass in especially large diamonds, for example, 9 carats, is much higher than in small ones (less than 0.5 carats). In this they differ, for example, from gold, where the cost of one gram in a kilogram is the same as that of an individual gram.
Large diamonds (more than one carat) are one of the safest investments in the world. Such an investment has many advantages - a diamond, say, 3 carats can be quickly sold, it is easy to store and over time it will not depreciate or lose its properties.
With smaller or larger diamonds the situation is different. Small specimens are not particularly in demand, as they are common, but they can also have their value. In addition, experts predict that in the next 20-30 years, diamond deposits will dry up, and this mineral will increase in price.
As for large stones, if you come across a particularly large diamond, 10 carats or so, keep in mind that it will be difficult to sell. After all, it costs a lot, and the demand for such things is not so great. But still, it can become an excellent “savings book” for the future.
Diamond characteristics: 4 C gradation
There are several types of characteristics when it comes to a cut diamond.
European 4 C gradation:
- Cut-cut;
- Clarity - purity;
- Color – color;
- Carat – weight, calculated in carats.
Diamond, being a natural creation, contains inclusions, microcracks, and graphite. The content of other chemical elements gives it a unique shade. There are blue, rare pink, yellowish, brown colors. Black diamonds have become very popular in the last decade. But the most expensive color of a crystal is the absence of color.
The highest rating is complete transparency without shades . The presence of blue or pink must be recognized by a panel of experts to confirm the uniqueness status of that shade.
The paradox of the assessment is that, despite the most advanced diagnostic methods, the only tool for determining the characteristics of a stone is considered to be a 10x magnifying glass - everything that is not visible with 10x resolution is considered non-existent; as well as the eye and instinct of the appraiser.
The European gradation of purity (number of inclusions) has boundaries from F (Flawless) - impeccably clean to SI1, SI2 - defects that are very easily noticeable with a magnifying glass. With appropriate lighting, they can be seen with the naked eye across the platform.
Cuts come in round and fancy. The shape is determined by the girdle - a girdle separating the top (“crown”) and the bottom of the processed crystal. The most popular, providing maximum refraction, is the round cut, which has 57 facets. Often, a cutter, wanting to maintain maximum weight of the finished product, uses fancy shapes - “oval”, “marquise”, “pear”.
Diamond Clarity
The clarity scale varies from 1 to 12. For Kr17 diamonds used in jewelry, the optimal clarity groups are 2 and 3. For Kr-57 up to 0.29 carats these are groups 4 and 5, and for larger diamonds with 57 facets - 4-6 .
It is important to consider that the groups have a fairly wide range. Therefore, do not rush to conclusions if you see a cleanliness class that is too “low,” in your opinion.
