Jessica McCormack
Jeweler · Mayfair ·

Jessica McCormack

Jeweler · Mayfair ·

Bespoke diamond jewelry, heirlooms, and modern heirloom redesigns

Jessica McCormack by null
Jessica McCormack by
Jessica McCormack by
Jessica McCormack by
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null
Jessica McCormack by null

Information

7 Carlos Pl, London W1K 3AR, United Kingdom Get directions

Information

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7 Carlos Pl, London W1K 3AR, United Kingdom Get directions

+44 20 7491 9999
jessicamccormack.com
jessicamccormackdiamonds

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Last updated

Nov 26, 2025

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 © 2025 Postcard Technologies, Inc.
@goop
4,111 Postcards · 173 Cities

"On a corner of Carlos Place—arguably the most sublime shopping street in Mayfair—is McCormack’s atelier. The three-floor townhouse is filled with such beautiful furniture and art collection that you forget you’re there for the jewels. Until you see them: necklaces of cascading diamonds, Art Deco drop earrings, and engagement rings galore. And McCormack excels at breathing new life into family heirloom rings by creating modern “jackets” of jewels to surround the older piece to make it wearable for modern styles. An appointment here might involve relaxing on the sofas upstairs, flipping through the dozens of art and photography books stacked elegantly on the shelves for reference, or chatting with the designer about what your aesthetic preferences. McCormack considers herself a family jeweler, which is fair given that once you’ve ordered a piece, you’re likely to continue going back. The entire experience is bespoke, elegant and thoughtful. "

The London Art & Architecture Guide
Jessica McCormack
@goop
4,111 Postcards · 173 Cities

"On a corner of Carlos Place—arguably the most sublime shopping street in Mayfair—is McCormack’s atelier. The three-floor townhouse is filled with such beautiful furniture and art collection that you forget you’re there for the jewels. Until you see them: necklaces of cascading diamonds, Art Deco drop earrings, and engagement rings galore. And McCormack excels at breathing new life into family heirloom rings by creating modern “jackets” of jewels to surround the older piece to make it wearable for modern styles. An appointment here might involve relaxing on the sofas upstairs, flipping through the dozens of art and photography books stacked elegantly on the shelves for reference, or chatting with the designer about what your aesthetic preferences. McCormack considers herself a family jeweler, which is fair given that once you’ve ordered a piece, you’re likely to continue going back. The entire experience is bespoke, elegant and thoughtful. "

The Mayfair & Marylebone Guide
Jessica McCormack
@masonlane
255 Postcards · 36 Cities
Jessica McCormack

Abbey L.

Google
Rude and uninviting. Very unfortunate from such a high end brand.

J T

Google
Great to see a country local doing well from an international perspective. The store is located on a very elegant strip of Mayfair and covers two floors. From a high end jewellery boutique, I found the service wasn’t up to the standard expected with its competition.

Toby N.

Google
Warm, welcoming, and very helpful staff who all helped me create the perfect bespoke engagement ring, which exceded all expectations. The shop itself is just incredible with all the artwork and displays.

Jedediah C.

Google
Love this place. I spent my only child's college fund on a pair of earrings for my wife, then she left me for a richer man.

Fadi S.

Google
Simply the best 💎

Jenny C.

Google
Stunning, aspirational, future heirlooms.

Oteng M.

Google
😊😊😊😊😍😘

Alex R

Google
Magical Place