Est. 1887 · London · Geneva · Dubai

Where Stars
Become Diamonds

The world's most extraordinary gems, curated for the extraordinary

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Live Market
Rapaport D/VS1 12,340▲ 2.6% Global Demand HIGH · STRONG Market Volatility 8.7% STABLE Liquidity 8.7/10HIGH Round Brilliant 1ct D/IF $14,200▲ 1.2% Oval 2ct E/VVS2 $24,100▲ 0.8% Pear 1.82ct E/VS1 $21,600▼ 0.3% Rapaport D/VS1 12,340▲ 2.6% Global Demand HIGH · STRONG Market Volatility 8.7% STABLE Liquidity 8.7/10HIGH Round Brilliant 1ct D/IF $14,200▲ 1.2% Oval 2ct E/VVS2 $24,100▲ 0.8% Pear 1.82ct E/VS1 $21,600▼ 0.3%

Our Heritage

A Century of
Cosmic Brilliance

For over 135 years, LUMINOS has traversed the earth's most remote reaches to unearth nature's most extraordinary gifts. We do not merely trade diamonds — we steward the rarest concentrations of light in the known universe.

Each Stone passes through the hands of masters whose lineage stretches across generations. Every facet is a testament to human perfectionism in the pursuit of eternal beauty.

4,200+
Exceptional stones
135
Years of legacy
48
Countries sourced
D·IF
Highest grade focus

The Journey

From Earth's Core
to Your Hands

01

Discovery

Geological survey teams identify kimberlite formations across four continents

02

Extraction

Ethical responsible mining, partnering with certified operations worldwide

03

Certification

GIA grading and Kimberley Process compliance for every rough stone

04

Mastery

Master cutters in Antwerp spend weeks perfecting each stone's brilliance

AI-Powered Assessment

Diamond
Valuation

Our proprietary spectroscopic analysis system evaluates every gem across 47 unique dimensions — from fluorescence patterns to subsurface crystalline integrity — delivering appraisals of unparalleled precision.

◈ Live Analysis System
Cut Grade
Excellent
Colour
D
Clarity
FL
Carat Weight
3.41 ct
Fluorescence
None
Estimated Value $842,000

The Collection

Polished to
Perfection

The Aurora
Round Brilliant · 5.12 ct
From $2.4M
The Celestine
Princess Cut · 4.88 ct
From $1.9M
The Eternal
Oval Cut · 6.30 ct
From $3.1M
The Midnight
Marquise · 3.94 ct
From $1.6M
The Imperial
Emerald Cut · 7.21 ct
From $4.8M
The Sovereign
Radiant Cut · 8.04 ct
From $6.2M

Your Journey Awaits

Discover
True Brilliance

One conversation changes everything