Round Lab-Grown Diamond Rings

The round brilliant is the most popular diamond shape in the world — and for good reason. Engineered for maximum light return, a round cut delivers more fire, brilliance, and sparkle than any other shape. Every round lab-grown diamond at NYX Jewel is IGI certified and hand-selected for Ideal or Excellent cut grades, ensuring the kind of sparkle that stops conversations. Available in solitaire, halo, pavé, and every setting style we offer, set in 14K or 18K solid gold. Free shipping, lifetime warranty, and 30-day hassle-free returns on every order.