KARAT
Maison of Rare Gemstones

Timeless Brilliance,
Crafted in Karats.

A private atelier devoted to the rarest stones on earth — set by hand, measured in light, made to be inherited.

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Master jeweler crafting a piece by hand
The House

Where rare stones meet patient hands.

Karat-Boutique is a luxury gemstone and jewelry brand dedicated to timeless elegance, premium craftsmanship, and carefully selected precious stones.

Every piece begins with a single decision — a stone we cannot walk away from. From there, our atelier shapes a setting around it, never the other way around.

Discover the Maison
Featured Collections

Six houses, one signature.

Each collection is a study in a single stone — its temperament, its history, its light.

Diamond Collection
01 / Solitaire

Diamond Collection

The clearest expression of light.

Sapphire Collection
02 / Cobalt

Sapphire Collection

Royal blues, deep as midnight oceans.

Emerald Collection
03 / Verdant

Emerald Collection

Green fire from the heart of Colombia.

Ruby Collection
04 / Crimson

Ruby Collection

Pigeon-blood reds, untouched and rare.

Luxury Rings
05 / Atelier

Luxury Rings

Bespoke settings for once-in-a-life moments.

Signature Necklaces
06 / Heritage

Signature Necklaces

Strands shaped to flatter every silhouette.

Why Karat

An atelier built on four promises.

Premium Craftsmanship

Every piece is hand-finished by master jewelers with decades of training.

Ethically Sourced

Stones traced from mine to setting — beautifully, responsibly.

Timeless Designs

Silhouettes built to outlast trend cycles and stay heirlooms.

Worldwide Presence

Private salons in Paris, Geneva, Dubai, Tokyo and New York.

Luxury Showcase

An editorial of light.

Featured necklace
Featured earrings
Featured sapphire ring
Featured bracelet
Featured diamond
In Their Words

Voices of our clientele.

★★★★★

"The sapphire I commissioned through Karat is unlike anything I've seen at the great houses. They took the time."

A

Adèle Renard

Paris · Private Client
★★★★★

"There is a quietness to their craftsmanship that I deeply respect. This is jewelry made the old way."

M

Marcus Halberg

Geneva · Collector
★★★★★

"From the first appointment to the final fitting, every detail felt considered. A truly exceptional house."

S

Sara Almutairi

Dubai · Patron
Maison Letters

A private dispatch.

Receive new arrivals, atelier stories, and invitations to private viewings — no more than once a month.

@karat.boutique

From the atelier to your feed.