The House of SimStar
Rare stones demand
rare expertise.
Five disciplines, mastered over forty years — the reason the world’s luxury houses trust SimStar with their most important stones.
Meet the Specialists10+ ct
Carat Specialists
One of the industry's leading manufacturers of large natural diamonds — most stones we handle exceed ten carats.
D – F
Color Excellence
Exceptional white diamonds in the rarest color grades, with superior brilliance and light performance.
IF · FL
Clarity Expertise
Internally flawless and flawless stones crafted to perfection — with VVS selections of equal precision.
In-House
Rough to Polished
Complete manufacturing under one roof, from rough planning and laser cutting to the final polish.
Global
Worldwide Supply
Serving luxury jewelry houses, wholesalers and private clients across four continents.
Trusted by leading luxury jewelers worldwide —
four decades of craftsmanship.
The SimStar Family · Founders
◆
The SimStar Standard
Pure. Pristine. Purposeful.
Our ethically sourced, GIA-certified diamonds are obtained from the world’s most fertile kimberlite mines. We promise the luxury of owning the purest gems the planet has to offer.
Manufacturing Excellence
From rough to polished, entirely in-house.
01
Rough Selection
Large rough diamonds sourced responsibly and selected for exceptional potential.
02
Precision Planning
Advanced scanning and expert planning to reveal each stone's maximum beauty and yield.
03
Laser Cutting
High-precision manufacturing that honors the plan to within microns.
04
Final Polish
Every facet perfected by master polishers to maximize brilliance.
Beyond White
Colour, at its rarest.
Alongside our white-diamond specialty, SimStar sources and cuts exceptional fancy-colour stones on private commission.
High Jewellery Commissions
For the pieces the world will remember.
The House
Forty years in pursuit of the exceptional.
From a single polishing wheel in Surat to six offices across four continents, SimStar has held one conviction: a truly great diamond is never manufactured in a hurry.
40+
Years
400+
Craftspeople
6
Offices
Our Numbers
40+
Years of Experience
10+ ct
Carat Specialists
D – F
Color Expertise
IF – FL
Clarity Specialists
6
Global Offices
1000s
Premium Diamonds Crafted
Global Presence
Wherever the world buys diamonds.
6 offices · 4 continents
The Gallery
The house, in pictures.
Certifications & Compliance
Integrity, independently verified.
Kimberley Process compliant and fully documented from mine to market — audited by the institutions the trade trusts most.
