Rare · Certified · Handcrafted

The art of
extraordinary gems

From investment-grade diamonds and natural coloured stones to bespoke heirloom jewellery — treasures selected for rarity, integrity and enduring light.

3Generations
GIA·IGICertified
8Gem Categories
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SapphireDiamondEmeraldRubyTanzaniteSpinelTourmalineOpalJadeitePearl SapphireDiamondEmeraldRubyTanzaniteSpinelTourmalineOpalJadeitePearl
The Collections

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Our collections are being curated. Please return soon.
In the Vitrine

Featured pieces


New featured pieces are arriving in the vitrine soon.

We do not sell stones.
We safeguard light that took
the earth a million years to make.

— The House of Ghasemi
The Maison

A legacy of trust in fine gems


For three generations, Ghasemi Gems has brought together the world's finest coloured stones, certified diamonds and master craftsmanship — every piece chosen for rarity, integrity and enduring beauty.

Independently certified — GIA, IGI & recognised laboratories
Ethically sourced — conflict-free, traceable provenance
Master-crafted — bespoke commissions by hand
Discover the Maison
Our Practice

From the earth to the heirloom


01

Source

Our gemmologists travel to the mines and trade centres of the world to hand-select rough and cut stones of exceptional character.

02

Certify

Every significant stone is independently graded and documented, so provenance and quality travel with the piece for life.

03

Craft

Master jewellers set each gem by hand — from signature collections to one-of-a-kind bespoke commissions made to your vision.

Made for you alone

Commission something singular

Share your vision — an engagement ring, a restored heirloom, a necklace imagined from a single stone — and our atelier will craft a one-of-a-kind quote.

Begin a Bespoke Request

Visit the private showroom

View our collection in person, or speak with a gemmologist about a particular stone. Appointments are arranged at your convenience.

Request an Appointment Browse Online