Six out of 10 US Engagement Rings are Lab Grown
March 01, 26
(IDEX Online) - More than six out of 10 couples (61%) in the US opted for a lab grown diamond in their engagement ring last year, according to The Knot's latest annual Real Weddings Study.
That's an increase from 52% in 2024, a landmark year when the balance first tipped from a natural majority to lab grown.
The lab grown figure was 46% in 2023, and in 2019 it was just 12%, a stark reminder of how quickly their popularity has taken hold.
"This shift is driven by economic pragmatism and evolving values," according to The Knot, an all‑in‑one wedding‑planning platform, "with 40% of couples stating it is specifically important that their stone be lab grown."
The average spend during 2025 was $4,300 for those buying a lab grown ring (down from $4,900 in 2024) and $7,000 for couples who chose a natural stone (down from $7,600 the previous year).
Couples opting for lab growns averaged a 2.0-cts center stone and were most likely to choose oval. Those who bought natural, averaged 1.6-cts and were most likely to select a round stone.
Across natural and lab grown the average diamond size was 1.9-cts and the average price was $4,600.
The Knot surveyed almost 10,500 couples who married in 2025, about all aspects of their big day, from floral trends to the price of the bride's dress.