Education

Guides

• Round – A Simple Guide to Buying A Round Diamond
• Oval – Oval Cut Diamond Guide | Ideal Depth, Table, L/W Ratio, and Visual Size
• Cushion – Cushion Cut Diamond Guide | Ideal Depth, Table, and Visual Facet Pattern Styles
• Radiant – Radiant Cut Diamond Guide | Ideal Facet Pattern, Depth, Table, and L/W Ratio
• Princess – Princess Cut Diamond Guide | Ideal Depth, Table, Crown Height, and Facet Pattern
• All Fancy Shapes – Recommended Depth, Table, and Length/Width Ratio for Fancy Shape Diamonds

• Fluorescence – Diamond Fluorescence: Evidence-Based Questions and Answers
• Lab-Created Diamonds – CVD vs. HPHT – What to Look for When Buying a Lab-Created Diamond

Research

• Evaluating Round Diamond Cut Quality Using Computer Vision
• Detecting Blue Nuance (Hue) in Lab-Created Diamonds Using Computer Vision
• Comparing Diamond Certification Labs – GIA vs. IGI Grading and Prices
• How to Find the Best Deals on Diamonds Using the Cost-Efficiency Frontier

Reference Data

• Round Diamond Carat Size Chart
• Princess Cut Carat Size Chart
• Princess Cut Crown Height Reference Images