NEVER ONE THING.

FOR EVERY STATE OF YOU.

Azure — Fancy Blue Emerald-Cut Lab-Grown Diamond Ring, 18K Two-Tone Gold, 11.70 ct Total

Grand Éclat — Radiant-Cut Lab-Grown Diamond Ring, 18K Two-Tone Gold, 10.05 ct

Rosy Heart — Fancy Intense Pink Lab-Grown Diamond Ring, 18K Two-Tone Gold, 11.41 ct Total

Solstice — Fancy Vivid Yellow Radiant-Cut Lab-Grown Diamond Ring, 18K Yellow Gold, 11.24 ct Total

Lumière Solitaire Pendant — Round Lab-Grown Diamonds, 14K & 18K Gold

Lumière Open-Setting Tennis Bracelet — Lab-Grown Diamonds, 18K White Gold

Éclat Cascade Earrings — Lab-Grown Diamonds, 18K White Gold

Lumière Classic Tennis Necklace — 13.95–29.37 ct Total, 18K White Gold

Golden evening light reflected across a river beneath a vivid sunset.

Holiday Special Edition

The Golden Edit

Gold for a change of scene. Discover expressive gold and lab-grown diamond jewelry, chosen for the moments worth keeping.

Discover the Golden Edit

A little light. A little you.

Pieces to live in. Moments to make your own.

MERVAUX 14K Yellow Gold Lab Grown Diamond Pendant - 0.498 ct Total — worn close-up

A QUIET MOMENT

Lien Oval Pendant

A fine line of light, resting close. An elongated oval in yellow gold and lab-grown diamonds.

Special piece

Lien Oval Pendant

14K yellow gold

$610.00 USD

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MERVAUX 14K Yellow Gold Round Lab Grown Diamond Necklace - 0.108 ct Total — portrait

A LITTLE SPONTANEITY

Amara Heart Necklace

A market morning. A golden heart. A little detail that feels like you.

Special piece

Amara Heart Necklace

14K yellow gold

$543.75 USD

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MERVAUX platinum solitaire worn, model in motion

IN YOUR ELEMENT

Platinum Solitaire Ring

A gesture, a glimmer. A round lab-grown diamond set in platinum, made part of your everyday.

Special piece

Platinum Solitaire Ring

Platinum 950

$831.00 USD

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  • U.S. delivery
  • Solid gold & platinum
  • Considered craftsmanship
  • Personal guidance
Woman walking through the city wearing MERVAUX lab grown diamond stud earrings and a bracelet

Our Story

For Every State of You.

MERVAUX brings a distinctive point of view to lab-grown diamond fine jewelry: remarkable scale, expressive fancy colors and designs with a character of their own.

Our expertise in producing large lab-grown diamonds opens new possibilities for proportion, cut and color. We bring those possibilities into considered settings in solid precious metals, with attention to presence, balance and wearability.

Clear specifications and personal guidance are part of the experience. From choosing a stone to discussing sizing or a made-to-order piece, our team is here to help.

Learn more

Exceptional color.
Remarkable scale.

Expressive fancy colors. Remarkable lab-grown diamonds.
Fine jewelry with a presence of its own.

EXPLORE HIGH JEWELRY
Woman cooking at home wearing MERVAUX lab grown diamond rings and a bracelet
Two MERVAUX lab grown diamond rings worn on a hand resting on a linen table

Your MERVAUX experience.

Common questions

What does MERVAUX offer?

MERVAUX is a fine jewelry house in Palo Alto, California, with a focus on large lab-grown diamonds, expressive fancy colors and considered design. Explore rings, earrings, necklaces and bracelets in precious metals, alongside loose lab-grown diamonds and colored gemstone jewelry. Materials, stone weights and available grading details are specified on each product page.

Exceptional color. Remarkable scale. For every state of you.

What does “For every state of you” mean?

MERVAUX was founded on a simple idea: we are never only one thing. Our lab-grown diamond fine jewelry brings together remarkable scale, expressive fancy colors and designs with a character of their own.

Our expertise in producing large lab-grown diamonds opens new possibilities for proportion, cut and color. Materials, stone weights and available grading details are stated per piece, and our team offers personal guidance on selection, sizing and made-to-order requests.