Lab-Grown ‘Taking Over’ Engagement-Ring Spending – The Knot

In 2025, 61% of purchases in this jewelry category were synthetics.

Lab-Grown Demand Boosts Average Engagement Ring Size

One-third are over 2 carats, up 10% from 2019.

Engagement Ring Spending Slips as More Turn to Lab-Grown

36% of center stones in 2022 were synthetic diamonds, doubling in popularity from 2020, according to The Knot.

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