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Main: (312) 236-9133
Toll-Free: (800) 942-1800
Fax: (312) 236-5545
Email: [email protected]

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Main: (312) 236-9133 Toll-Free: (800) 942-1800 Fax: (312) 236-5545 Email: [email protected]

White Diamonds Diamonds are mined from the Earth and are formed over billions of years.

Fancy Diamonds Natural diamonds that exhibit unique colors.

Lab Diamonds Diamonds created in a laboratory setting using advanced technological processes.

Fancy Lab Diamonds Lab-created diamonds that come in various colors and cuts.

Specials IDJ's History Forms Policies We Buy Diamonds Conflict-free Diamonds Careers Industry News

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Address

International Diamond and Jewelry
29 E. Madison Street, Suite 1510
Chicago, Illinois 60602

Email

[email protected]

Phones

312-236-9133

Main

312-236-5545

Fax

800-942-1800

Toll Free N. America

Fancy Lab Diamonds

IDJ’s history

We Buy Diamonds

Conflict-free Diamonds

© 2026 IDJ. All rights reserved.

IDJ Privacy Policy

This Privacy Policy governs the manner in which International Diamond and Jewelry Inc. dba IDJ Corp collects, uses, maintains and discloses information collected from users (each, a "User") of the http://www.idj.com website ("Site"). This privacy policy applies to the Site and all products and services offered by the IDJ Corporation.

Personal identification information

We may collect personal identification information from Users in a variety of ways in connection with activities, services, features or resources we make available on our Site. Users may be asked for, as appropriate, name, email address, phone number. Users may, however, visit our Site anonymously. We will collect personal identification information from Users only if they voluntarily submit such information to us. Users can always refuse to supply personally identification information, except that it may prevent them from engaging in certain Site related activities.

Non-personal identification information

We may collect non-personal identification information about Users whenever they interact with our Site. Non-personal identification information may include the browser name, the type of computer and technical information about Users means of connection to our Site, such as the operating system, the ISP utilized, and other similar information.

Cookies

Our Site may use "cookies" to enhance User experience. User's web browser places cookies on their hard drive for record-keeping purposes and sometimes to track information about them. User may choose to set their web browser to refuse cookies, or to alert you when cookies are being sent. If they do so, note that some parts of the Site may not function properly.

How we use collected information

IDJ may collect and use Users personal information for the following purposes:

To improve customer service
Information you provide helps us respond to your customer service requests and support needs more efficiently.
To improve our Site
We may use feedback you provide to improve our products and services.
To send periodic emails
We may use the email address to respond to their inquiries, questions, and/or other requests.

How we protect your information

We adopt appropriate data collection, storage and processing practices and security measures to protect against unauthorized access, alteration, disclosure or destruction of your personal information, username, password, transaction information and data stored on our Site.

Sharing your personal information

We do not sell, trade, or rent Users personal identification information to others. We may share generic aggregated demographic information not linked to any personal identification information regarding visitors and users with our business partners, trusted affiliates and advertisers for the purposes outlined above.

Third party websites

Users may find advertising or other content on our Site that link to the sites and services of our partners, suppliers, advertisers, sponsors, licensors and other third parties. We do not control the content or links that appear on these sites and are not responsible for the practices employed by websites linked to or from our Site. In addition, these sites or services, including their content and links, may be constantly changing. These sites and services may have their own privacy policies and customer service policies. Browsing and interaction on any other website, including websites which have a link to our Site, is subject to that website's own terms and policies.

Changes to this privacy policy

The IDJ Corporation has the discretion to update this privacy policy at any time. When we do, we will revise the updated date at the bottom of this page. We encourage Users to frequently check this page for any changes to stay informed about how we are helping to protect the personal information we collect. You acknowledge and agree that it is your responsibility to review this privacy policy periodically and become aware of modifications.

Your acceptance of these terms

By using this Site, you signify your acceptance of this policy. If you do not agree to this policy, please do not use our Site. Your continued use of the Site following the posting of changes to this policy will be deemed your acceptance of those changes.

Contacting us

If you have any questions about this Privacy Policy, the practices of this site, or your dealings with this site, please contact us at:

IDJ Corporation, 29 East Madison Street, Suite 1312, Chicago Illinois 60602

001-312-236-9133, [email protected]

This document was last updated on September 10, 2015

Terms of Use

These Terms of Service (the "Agreement") are an agreement between IDJ Corporation (IDJ Corporation or us or our) and you (User or you or your). This Agreement sets forth the general terms and conditions of your use of the products and services made available by IDJ Corporation and of the IDJ Corporation website (collectively, the Services). By using the Services, you agree to be bound by this Agreement. If you do not agree to abide by the terms of this Agreement, you are not authorized to use or access the Services.

Last Updated September 10, 2015.

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