The diamond color scale ranges from D to Z, D being colorless and Z being too saturated
What Color Diamond Is The Most Expensive?
Colourless Diamonds: What Makes Them Expensive
Champagne Diamonds: Everything You Need to Know
Diamonds
Diamond Quality Guide: How To Buy The 4 C's Diamonds. – Noray Designs
F&D, Guide to Diamond Grading
What are Blue Diamonds? FAQ
All about the color of diamonds
The Diamond Cut Scale: Your Guide to Choosing the Most Sparkly Diamond