Ring Trends: Lab Diamonds Lead 2026

By Lucas Meyer · September 28, 2026

Lab-Grown Diamonds Now Outsell Mined

In 2026, lab-grown diamonds account for over half of all engagement ring purchases. Here is what is driving the shift.

Price Advantage

Lab-grown diamonds cost 30-50% less than mined diamonds of identical quality. A 1-carat round brilliant lab diamond averages $1,800 versus $3,500 for a mined equivalent.

Quality Parity

Lab diamonds are physically, chemically, and optically identical to mined diamonds. They receive the same GIA or IGI grading for cut, color, clarity, and carat.

Ethical Appeal

Millennials and Gen Z couples prioritize conflict-free sourcing. Lab diamonds eliminate concerns about mining practices and environmental impact.

Popular Shapes in 2026

Oval: Most requested shape, elongating effect
Emerald: Clean lines, vintage appeal
Pear: Unique silhouette, finger-lengthening
Cushion: Soft edges, romantic look

Setting Trends

Hidden halos, east-west settings, and three-stone designs with colored side stones are trending. Rose gold and mixed-metal settings continue to grow in popularity.

Resale Considerations

Lab diamonds currently have lower resale value than mined diamonds. Couples who view the ring as a purchase rather than an investment prefer the savings.