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Hartley Vandâr began in 2020 as a private jeweler by referral in Highland Park, Texas. Specializing in the world’s top 0.05% of diamonds, each Hartley Vandâr piece is one of one in the world. Gaining recognition for meticulous attention to detail and craftsmanship, Hartley Vandâr clientele spread entirely by word of mouth from Texas to New York, Connecticut, California, Great Britain, and France, among others. Its jewelry has become highly sought after by collectors.

Prior to the founding of Hartley Vandâr, its creative direction was shaped by senior executive experience at Universal Music Group, with a focus on creative strategy, brand development, and scaling high-growth ventures. As a result, many of Hartley Vandâr’s earliest private clientele include some of the most successful artists, managers, and agents today.

Focusing on High Jewelry that utilizes natural diamonds, Hartley Vandâr spends months sourcing and cutting the absolute rarest and finest diamonds in the world for each piece. Unlike other jewelry houses, Hartley Vandâr does not mass produce jewelry — every piece is one of one and made entirely by hand.

With increasing demand for lab-grown diamonds, Hartley Vandâr expanded and began working with private clientele on lab-grown diamond jewelry as well. In 2025, demand became so strong that Hartley Vandâr announced its first line of Lab-Grown High Jewelry, made available to the public as individual, exclusive pieces. Just as with any natural diamond piece, these designs incorporate the absolute finest and rarest lab-grown diamonds.

Alongside its private clientele, Hartley Vandâr has built a rapidly growing global audience, with more than 30,000 followers on TikTok, where the brand shares deeply educational, in-depth content on diamonds, design, and the jewelry-making process—offering a level of transparency and expertise rarely seen in the industry.

The first collection of Hartley Vandâr High Lab-Grown Diamond Jewelry debuted in March 2025 at Ferrari Art Week in Scottsdale, Arizona. Following the success of its debut, Hartley Vandâr was invited to return and exhibit again in 2026—selected as one of just four jewelers globally to participate in the prestigious Ferrari exhibition.

Hartley Vandâr has been featured in National Jeweler, exhibited at museums across the United States, and is quickly becoming one of the youngest and most influential voices in modern high jewelry.