Best Lab-Grown Diamond Brands Compared: Which One Is Right for You?

Lab-grown diamonds are booming — and for good reason. They’re identical to mined diamonds, cost up to 70% less, and come with a sustainability promise that speaks to modern values. But with so many brands out there, how do you choose the right one?

We’ve done the work for you. Below is a brand-by-brand comparison of the most popular lab diamond retailers, including real pricing, customization options, certifications, and customer support.

Side-by-Side Comparison​

What Makes Ritani Different?

1. Transparent Pricing

We show you how much a diamond costs to source, cut, and set — no mystery, no middlemen markups.

2. Dual Offering

Lab and natural diamonds side by side. You decide what fits your values and budget.

3. Real Human Support

Want a second opinion? Our gemologists give free advice via video or chat, with no pressure to buy.

Customer Quote

“I wanted a lab-grown diamond for ethical reasons, but VRAI didn’t show me any cost breakdown. Ritani was the only site that let me compare and customize exactly how I wanted.” — Verified Shopper, NYC

Which Lab-Grown Brand is Right for You?

Next Steps

Explore lab-grown diamond inventory →Shop Now

Schedule a free gemologist consult → Start Here​