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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

Diamonds in the Rough

Once destined for industrial use, low-quality rough diamonds were thought to have too many impurities or inclusions to be used in high-end rings, bracelets, and necklaces.  But today, these diamonds are making their way into luxury jewelry. So why the sudden interest? (more…)

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A group of diamonds with different shapes.
Guide to Diamond Shapes for Engagement Rings
When shopping for your engagement ring, choosing the diamond shape is one of the most important decisions you'll make. This guide will help make that decision easier.
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Woman’s hand with oval diamond engagement ring on white background.
Oval Cut Diamond Guide
Oval cut diamonds are a popular choice for engagement rings. Learn the key factors to look for when shopping for an oval diamond ring.
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Close up of Taylor Swift and Travis Kelce holding hands showing Swift's old mine cut diamond engagement ring
Old Mine Cut Diamond Guide
Learn about the Old Mine Cut Diamond, a vintage style known for its soft, squarish shape and designed to sparkle in candlelight.
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Ruby and diamond ring.
Rubies vs. Diamonds: What are the Similarities and Differences?
Rubies and diamonds are among the world’s most treasured gemstones. Learn about which similarities and differences you should know before a purchase.
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Emerald and diamond ring.
Emerald vs. Diamond: What are the Similarities and Differences?
When choosing between an emerald or a diamond, it's important to understand their unique attributes, pricing considerations and suitability for everyday wear.
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Pearl and diamond ring
Diamonds vs. Pearls: What are the Similarities and Differences?
Diamonds and pearls have timeless allure. What should you know before choosing between diamonds and pearls?
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A three-stone diamond ring with a halo.
Settings That Make Your Diamond Engagement Ring Look Bigger 
Engagement ring settings define your style, and add drama and protection to the stone. The right setting and band can also make your diamond look bigger.
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Round brilliant diamond engagement ring on woman’s hand
How To Select a Round Brilliant Cut Diamond Engagement Ring
If you’re looking for a round diamond, the round brilliant cut is one of the most popular styles for engagement rings. Here’s what you need to know when choosing a round brilliant or round cut diamond for your engagement ring. 
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A round brilliant diamond.
What is a GIA Diamond?
GIA diamond is a term you’ll find when engagement ring shopping – short for a diamond graded by GIA, the creator of the 4Cs and the independent, diamond authority. Learn more about GIA diamonds and why savvy shoppers rely on GIA.
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Diamond in tweezers
GIA Diamond Grading
A GIA Diamond Grading Report is the benchmark for expert diamond grading and the best way to ensure accuracy in your next diamond purchase.
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Diamond in tweezers
Diamond Treatments
There are several ways that diamonds can be treated to enhance or remove their color and improve their clarity. Every GIA grading report lists the presence of any known diamond treatments.
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