Top 6 Online Diamond Retailers (2025 Edition) Here’s what really separates the top five names in online diamond shopping. Every platform claims to be the best. But in a high-stakes purchase like a diamond, flashy websites and slogans don’t cut it. What really matters is how well a retailer puts control, clarity, and real value in your hands. In this list, we’re not just comparing flashy websites. We’re breaking down what each of these five retailers actually does best and

Which Diamond Quality Is Best? A Simple Guide Choosing the best diamond depends on your priorities—whether it’s sparkle, size, or long-term value. But how do you compare different diamonds? The answer lies in the “4 Cs” (Cut, Color, Clarity, and Carat), the universal grading system for diamonds. Let’s break down each factor to help you decide what “best” means for you. 1. Diamond Cut: The Most Important Factor for Sparkle The cut determines how well a diamond reflects light—making it shine brilliantly or look