The 4 Cs of Diamonds - Carats
As diamond carat weight increases, prices go up. However, prices increase exponentially rather than incrementally. Certain carat values, called “magic numbers,” mark the points where diamond prices jump. Learn how to choose the carat size that’s right for your style and budget.
Two-Carat Diamond Rings: Buying Top Quality
Diamond Measurements: What You Should Know Before You Buy
Three-Carat Diamond Guide: Prices & Tips
What Carat Diamond Should I Choose?
Five-Carat Diamond Ring: an Insider's Guide
6 Steps to Buying a One-Carat Diamond Ring
Diamond Buying and the Four Cs, Part 1: Diamond Carat Weight
When you join the IGS community, you get trusted diamond & gemstone information when you need it.
Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!