The Guinness World Record Holder for the Largest Office Building on Earth
Larger than the Pentagon. Purpose-built for direct diamond trade. And still waiting on the buyer footfall its capacity was designed for.
35 acres
Total campus footprint
9 towers
Interconnected office towers
66L+ sq ft
Built floor area (6.6M+ sq ft)
4,500+
Diamond trading offices
Built for a Single Purpose
In 2023, Surat Diamond Bourse (SDB) officially took the Guinness World Record for the largest office building on the planet — surpassing the Pentagon in floor area. Unlike a mixed-use commercial tower, SDB was purpose-built around one function: bringing diamond manufacturers, traders, and buyers into direct, secure, physical proximity.
9 Interconnected Towers
35 acres and over 66 lakh sq ft of built space, purpose-built for diamond trade rather than adapted from generic commercial design.
On-Site Customs House
India's largest dedicated diamond customs house, built directly into the complex — sourcing, inspection, and export documentation without routing through separate jurisdictions.
Bank-Grade Security
Vaulting, surveillance, and access control across thousands of individual offices, specified for high-value gemstone trading.
The Honest Part of the Story
Fully Sold Out — Still Waiting on Buyer Footfall
Here is what most coverage of the record-breaking building leaves out: despite a full sell-out of office units to manufacturers and trading houses, a meaningful share of those 4,500+ offices are not yet fully active day to day. The building isn't underused because demand from sellers is weak — quite the opposite, sellers moved in immediately.
It is underused because international buyer footfall hasn't caught up to seller capacity yet. That gap is not a flaw in the building — it is exactly the gap VisitSDB was built to close.
What a Visit Actually Looks Like
For a hosted buyer, SDB isn't a place you wander through cold. It's a structured environment: pre-arranged meetings with vetted manufacturers matched to your specific buying profile, on-site customs support for anything you purchase, and the security infrastructure of a modern financial exchange.
Why the Timing Matters
Early movers into an under-visited, fully-built, world-record trading complex get a genuine advantage: shorter lead times to build direct manufacturer relationships, more attention from sellers eager to prove out international demand, and first access to a market that is about to see rising buyer traffic.
Walk the Floors of SDB Yourself
We arrange the meetings, the customs support, and the travel. You focus on the deal.