Prime Minister Narendra Modi gifts to the U.S. First Lady Dr. Jill Biden a lab-grown 7.5-carat green diamond in the presence of the U.S. President Joe Biden at the White House on June 22, 2023.

In 2024, 52% of couples surveyed said their engagement ring featured a lab-grown diamond, according to the 2025 Real Weddings Study. ... 1-carat lab-grown diamond costs about $845, ...

A 7.5-carat green diamond may cost $20,000 in the US, but in India its price ranges between Rs 2 lakh i.e. $2,500 and Rs 6 lakh i.e. $7,000. In FY 2024, India produced 16 million carats of lab ...