★ Pillar Guide
The 4Cs of Lab-Grown Diamonds: A Complete 2026 Buyer's Guide
Cut, Color, Clarity, Carat — and the LGD-specific tradeoffs jewelers won't explain. The complete 2026 guide to grading lab-grown diamonds for value.
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4CS
5 articles in this cluster.
Diamond Carat Weight vs Visual Size: Why Bigger Numbers Don't Mean Bigger Diamonds
Carat is a unit of weight, not size. Here's why two 1-carat diamonds can look completely different — and how to find a diamond that wears bigger than it weighs.
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Diamond Cut Quality Explained: Why Cut Matters Most for Lab-Grown Diamonds
Cut quality decides 80% of a diamond's sparkle. Here's how to read cut grades on IGI and GIA reports — and which grades are worth paying for in 2026.
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Diamond Clarity Explained: VS1 vs SI1 and the Eye-Clean Threshold
The 11-grade diamond clarity scale demystified. Where to stop paying for invisible improvements, and the LGD-specific clarity traps to avoid.
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Diamond Color Grading Explained: The D-to-Z Scale and the LGD Sweet Spot
The D-to-Z color scale, why lab-grown diamonds make D-grade affordable, and the exact color grade smart buyers choose in 2026 to maximize value.
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