John Hardy and Billie Eilish have joined forces for a groundbreaking collaboration celebrating sustainable luxury jewelry. The renowned Bali-based jewelry brand partnered with Grammy-winning siblings Billie Eilish and Finneas O’Connell to launch the JH Lovestruck collection, marking a significant milestone in the brand’s 50-year history and introducing its first-ever lab-grown diamond offering.
The Creative Partnership Behind JH Lovestruck
The creative collaboration between John Hardy and the award-winning musicians centers on sustainability in luxury jewelry, with the JH Lovestruck collection featuring four proprietary diamond cuts designed by Creative Chairman Reed Krakoff. This partnership extends beyond a simple endorsement, as both Billie and Finneas will have ongoing involvement in design projects and the brand’s philanthropic initiatives.
Reed Krakoff, who joined John Hardy in 2022, spent years ideating how the brand could approach diamonds differently, developing something proprietary and unique that goes beyond the distinction between lab-grown and mined diamonds. The result is a collection that challenges traditional diamond jewelry conventions while maintaining John Hardy’s commitment to sustainability.
Sustainable Lab-Grown Diamonds Take Center Stage
The Lovestruck collection features four proprietary diamond cuts inspired by John Hardy’s pebble designs, giving the gemstones a sculptural and modern feel ideal for everyday wear. Unlike traditional diamond cutting that prioritizes value and classic shapes, these lab-grown stones are cut to maximize brilliance while celebrating their natural, organic forms.
The collection was designed with innovative techniques that embrace the brilliance of the stones in their most natural state, with no two diamonds being exactly the same. This approach creates jewelry that feels intentional yet imperfect, offering an honesty and authenticity rarely seen in diamond collections.
The use of lab-grown diamonds represents a strategic choice that aligns with both environmental values and creative freedom. These diamonds are chemically identical to mined diamonds but offer designers the flexibility to experiment with unconventional cuts and shapes that would be cost-prohibitive with mined stones.
Commitment to Environmental Sustainability
Each piece in the Lovestruck collection is crafted using reclaimed precious metals and produced in facilities powered by 100 percent renewable energy. This comprehensive approach to sustainability reflects John Hardy’s 50-year commitment to environmentally responsible luxury.
Billie Eilish emphasized the importance of this sustainable approach, stating that what people eat, say, and wear matters, and jewelry is no exception, as it all impacts the planet. The collaboration fits perfectly with what the siblings practice and preach regarding environmental responsibility.
As part of the partnership, John Hardy has pledged support for philanthropic initiatives important to the siblings, notably Support+Feed, a nonprofit founded by their mother Maggie Baird that focuses on mitigating climate change and increasing food security by promoting plant-based food accessibility.
The JH Lovestruck Collection Details
The collection spans 50 pieces including rings, bracelets, earrings, necklaces, as well as a pin, hand chain, and body chain crafted in 18-karat yellow gold or sterling silver. While lab-grown diamonds are the focal point, the collection also incorporates Heishi styles featuring onyx or orange spiny oyster shell beads.
The Lovestruck collection debuted on September 29, 2025, with pieces retailing from $825 to $24,000. The jewelry is available through multiple channels including John Hardy boutiques, the brand’s website, and select wholesale events.
The design aesthetic is described as organic, irreverent, and modern—jewelry meant to fit into real life rather than being reserved for special occasions. This casual approach to diamond jewelry represents a departure from the traditional perception of diamonds as serious, important pieces.
Billie and Finneas Curated Collections
The creative partnership includes shoppable edits of John Hardy pieces worn by the musicians on tour, as well as new designs based on their aesthetic preferences. Both siblings have curated personal selections available through the John Hardy website, giving fans access to pieces that reflect their individual style sensibilities.
Billie has been spotted wearing custom John Hardy designs during her HIT ME HARD AND SOFT Tour, including the Icon 50 Cross Pendant in Dark Silver and pieces inspired by her chart-topping song “Birds of a Feather”. These tour appearances help amplify the brand’s 50-year commitment to sustainability while showcasing how the jewelry integrates into everyday wear.
The Growing Lab-Grown Diamond Market
The lab-grown diamond market has experienced rapid growth, climbing from just one percent of diamond sales in 2015 to approximately twenty percent by 2024. Industry analysts project continued expansion, with the global lab-grown diamond market valued at nearly $30 billion in 2025 and expected to reach almost $98 billion by 2034.
This shift in consumer preferences toward sustainable alternatives has created opportunities for brands like John Hardy to enter the diamond space with fresh perspectives. The environmental benefits, combined with creative freedom and accessible price points, make lab-grown diamonds increasingly attractive to conscious consumers.
Future Collaborations and Collections
The partnership’s influence will extend across the brand in coming seasons, with both Billie and Finneas continuing to wear John Hardy pieces throughout their tours. Looking ahead to 2026, consumers can expect the first of many collaboratively designed collections that will benefit the philanthropic initiatives that inspire the siblings.
This long-term partnership represents more than a single collection launch—it signals John Hardy’s evolution as a brand at an inflection point. The collaboration brings renewed interest to the 50-year-old jewelry house while establishing a blueprint for how luxury brands can authentically integrate celebrity partnerships with genuine sustainability commitments.
Frequently Asked Questions
What is the John Hardy Billie Eilish collaboration?
The John Hardy Billie Eilish collaboration is a creative partnership launching the JH Lovestruck collection, featuring sustainable lab-grown diamond jewelry designed with input from Grammy-winning siblings Billie Eilish and Finneas O’Connell to celebrate John Hardy’s 50th anniversary.
Are the diamonds in the Lovestruck collection real?
Yes, the diamonds are real lab-grown diamonds that are chemically identical to mined diamonds. They feature four proprietary cuts designed exclusively for John Hardy and are set in reclaimed precious metals.
How much does the JH Lovestruck collection cost?
The JH Lovestruck collection ranges from $825 to $24,000, offering various pieces including rings, bracelets, necklaces, earrings, and specialty items like hand chains and body chains in 18-karat yellow gold or sterling silver.
Where can I buy John Hardy Billie Eilish jewelry?
You can purchase the JH Lovestruck collection at John Hardy boutiques, on the official John Hardy website at johnhardy.com, and at select wholesale events. The collection launched on September 29, 2025.
Why did Billie Eilish partner with John Hardy?
Billie Eilish partnered with John Hardy due to their shared commitment to sustainability in luxury. The collaboration aligns with her environmental values, using lab-grown diamonds, reclaimed metals, and 100 percent renewable energy in production.
What makes the Lovestruck collection sustainable?
The collection uses lab-grown diamonds instead of mined stones, reclaimed precious metals, and is manufactured in facilities powered entirely by renewable energy, reflecting John Hardy’s 50-year commitment to environmental responsibility.
Will there be more Billie Eilish John Hardy collections?
Yes, the partnership extends beyond the Lovestruck collection. Beginning in 2026, there will be additional collaboratively designed collections that support philanthropic initiatives important to Billie and Finneas, including their mother’s nonprofit Support+Feed.