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| Education: |
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You start your diamond shopping by understanding of what you're buying. This guide simplifies the four C's of diamonds — cut, color, clarity, and carat weight, so you can choose your diamond based on the same criteria jewelers grade them. After reading this guide, you'll be ready to search the diamond that is right for you. |
| Diamond Shape: |
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Diamond Shape refers to the overall outline of the diamond when viewed from the top. Round is the most popular diamond shape, followed by squared shapes such as princess, Asscher, and square radiant, and rectangular shapes like emerald and rectangular radiant. Read More
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| Diamond Cut: |
Diamond Color: |
The cut of a diamond has the most effect on its sparkle, or brilliance. Even if the diamond has perfect color and clarity, a poor cut can make a diamond look dull. Learn how to choose the right diamond cut with the most brilliance for your budget. Read More
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Diamonds with very little or no color are the most highly valued. A little color can diminish a diamond's brilliance. Learn how to choose a diamond with no color noticeable to the unaided eye. Read More
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| Diamond Clarity: |
Carat Weight: |
Diamonds with few flaws, or inclusions, are very rare and highly valued. Clarity is graded based on the number, location, size, and type of the inclusions found in a diamond. MDC has some of the clearest diamonds available. Learn how to choose the right grade of clarity for your diamond. Read More |
The weight of a diamond is measured in carats. Since larger diamonds are more rare than smaller diamonds, diamond value tends to rise exponentially with carat weight. Read more about carat weight and learn how to balance diamond quality with the size of your diamond. Read More |
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| Diamond Certification: |
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The diamond certificate, referred to by diamond grading labs as a diamond grading report or diamond quality document. A grading report documents the characteristics of a diamond, like the four Cs. The grading report is proof that it has undergone an unbiased, professional examination. Learn more about the diamond grading report. Read More
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| Diamond Care: |
Diamonds may not be destructible , but they do require care. Read how to keep your diamond sparkling, and securely set in your ring. Read More
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| Education and Guidance |
| View our education section for helpful information on more than just the 4 Cs. |
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| Custom Special Order |
Special Order Engagement Rings

Your options are limitless. Phone a Diamond and Jewelry Consultant to create the ring or jewelry of your dreams. |
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Customers Say it best! |
| Read what customers have to say
about their MDC Diamonds
shopping experience. |
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| We had been searching for a truly exceptional fancy yellow diamond for a long time, and when we foun... |
We had been searching for a truly exceptional fancy yellow diamond for a long time, and when we found this breathtaking 12 carat masterpiece, we knew our search was finally over. The diamond is absolutely stunning, with incredible brilliance, color, and presence that exceed all our expectations.
What made this experience even more special was the extraordinary customer service from MDC Diamonds. From the very beginning, their team was knowledgeable, patient, and dedicated to helping us find the perfect piece. They guided us through every step of the process and made us feel confident and valued as customers.
We highly recommend MDC Diamonds to anyone looking for exceptional quality, rare gemstones, and outstanding service. Thank you for helping us find the ring of a lifetime.
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Michael P.
London, UK
June 159, 2026
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