Antwerp
Since 1986Belgium · CET · UTC+1
Polished & rough liaison
Our oldest correspondent relationship. Antwerp remains the gravitational centre of the polished trade, and our access there sets the benchmark we price against.
The Network
A valuation is only as good as the market behind it
A stone is worth what someone, somewhere, will pay for it. Our reach across eight cities is what allows us to price against genuine international demand rather than local appetite.
Headquarters
DubaiSINCE 1983
The centre of the house. Grading, valuation, settlement and vault custody all sit here, minutes from the Dubai Diamond Exchange in Almas Tower — the largest physical diamond trading platform between Antwerp and Hong Kong.
Almas Tower, Jumeirah Lakes TowersDubai, United Arab Emirates
+971 4 250 8800
Sunday – Thursday, 09:30 – 18:30 GST · Private appointments outside hours by arrangement
Correspondent desks
Eight cities, four continents
Each desk exists because a particular market is best understood from inside it — Antwerp for polished benchmarks, Geneva for high jewellery, Mumbai for cutting, Hong Kong for Asian demand.
London
Since 1991United Kingdom · GMT · UTC+0
Estate & signed jewellery
Estate acquisitions, auction-house liaison and private client work across the UK and Ireland, with particular depth in Georgian through Art Deco period pieces.
Geneva
Since 1994Switzerland · CET · UTC+1
High jewellery & watches
Important coloured stones, signed high jewellery and collectible watches. Proximity to the Geneva sale calendar keeps our comparables current to the week.
Mumbai
Since 1989India · IST · UTC+5:30
Cutting & manufacturing
Access to the world’s largest cutting and polishing centre, where the great majority of the world’s diamonds are shaped — essential for recutting decisions and melee supply.
Hong Kong
Since 1997SAR China · HKT · UTC+8
Asian demand & jadeite
The window onto Greater China demand, and our route to the jadeite and natural pearl markets where Asian buyers set the price.
New York
Since 2001United States · EST · UTC-5
North American desk
47th Street relationships for large certified goods and American estate material, with settlement infrastructure for US-based sellers.
Singapore
Since 2008Singapore · SGT · UTC+8
Southeast Asian private clients
Family-office and private-client coverage across ASEAN, with vault and escrow arrangements suited to cross-border settlement.
Istanbul
Since 2012Türkiye · TRT · UTC+3
Gold & regional trade
Bullion flows, Ottoman-period jewellery and a bridge into the Anatolian and Central Asian markets that few Gulf houses cover directly.
Almas Tower
Minutes from the largest diamond exchange between Antwerp and Hong Kong.
Grading, valuation, settlement and vault custody sit on a single floor — which is why a Dubai appointment usually begins and ends on the same day.
Moving goods safely
How a piece travels, and how money moves
Insured secure transport
International movements travel by Brink’s, Malca-Amit or Ferrari under all-risks cover for the full declared value, door to door, with tracking you can follow. We arrange and pay for it.
Escrow settlement
For higher-value cross-border transactions, funds are held by an independent escrow agent and released on verified receipt, so neither party is ever exposed.
On-site valuation
For collections of significant value we travel — to a residence, a private bank, a safe-deposit facility or a lawyer’s office, anywhere in the world, at our cost.
Customs & CITES
Import and export documentation, Kimberley Process certificates and CITES permits for exotic leathers are handled properly, in advance, and never improvised at a border.
Wherever you are
Tell us where the piece is. We will come to it.
Most international enquiries are resolved without the client ever posting anything. Where shipping is needed, it is insured, tracked and paid for by us.