“I love that Lovestruck uses lab-grown diamonds, reclaimed precious metals, and each piece was crafted using renewable energy,” Eilish said in the same statement. John Hardy The collection includes diamonds cut in organic shapes that are proprietary to John Hardy. What would you say to detractors of lab-grown diamonds? I don’t believe most people understand that mined and lab-grown diamonds are identical in every way. In 2026, you’ll see the first of many collaboratively designed collections benefitting the multiple philanthropic initiatives that inspire Billie and Finneas.