Collection: 4 Carat Lab Grown Diamond Engagement Rings

4 Carat Lab Grown Diamond Engagement Rings at a glance

  • Designs: 151 IGI certified loose stones in this collection
  • Price range: from $2,757.99 to $3,487.99 (USD)
  • Stone: lab grown diamond, a real diamond with the same chemistry as a mined diamond, IGI graded
  • Production: made to order by Grown Leo, a direct manufacturer, in 3–14 business days
  • Shipping: free worldwide shipping, 3–7 business days after production

Frequently Asked Questions

How much do 4 carat lab grown diamond engagement rings cost at Grown Leo?

Prices in this collection range from $2,757.99 to $3,487.99 across 151 designs. The final price depends on the metal, the carat weight and the stone you choose on each product.

Are lab grown diamonds real diamonds?

Yes. Lab grown diamonds have the same chemical, physical and optical properties as mined diamonds; only their origin is different. Our loose lab grown diamonds come with an IGI grading report.

How long does it take to receive my order?

Every piece is made to order: 3–14 business days to craft, then 3–7 business days to ship. Shipping is free worldwide on every order.

Can I set a loose stone in a ring?

Yes. Choose your stone, then pick an engagement ring setting, or contact us for a custom design.