The London-based diamond jeweler and the New York-based multihyphenate powerhouse were longtime friends before becoming partners.

Guests twinkling in the brands jewels included Abbey Lee, Moses Sumney, Ilana Glazer, and Andrew Mukamal.

The featured collection showcases Day Diamonds, McCormacks heirloom-inspired jewelry designed to be worn and passed down to generations.

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Zoë Kravitz, Jessica McCormack

Her pieces really become a part of you.

It’s a throughline between generations.

Zoe Kravitz

Moses Sumney

Milo Phillips, Abbey Lee, Ilana Glazer

Jessica McCormack

Ilana Glazer

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Image may contain Ilana Glazer Abbey Lee Kershaw Wristwatch People Person Adult Accessories Jewelry and Necklace

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Image may contain Ilana Glazer Brick Clothing Footwear Shoe Accessories Jewelry Necklace Person Standing and Adult