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Insights

The VisitSDB Journal

Industry insights, buyer guides, and updates on Surat Diamond Bourse — written for international diamond wholesalers, retailers, and manufacturers.

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Buyer Guides

GIA vs. IGI vs. Other Certification Labs: What Buyers Should Require

Not all diamond certification is equal, and grading standards vary meaningfully between labs. Here's what wholesale buyers need to know before accepting a certificate at face value.

August 5, 2026

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Buyer Guides

Natural vs. Lab-Grown Diamonds: What It Means for Wholesale Sourcing in Surat

Surat cuts and polishes both natural and lab-grown diamonds at scale. Here's what wholesale buyers need to understand about sourcing each — and how the decision affects your business.

August 4, 2026

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Buyer Guides

What Is a Diamond "Parcel"? Wholesale Buying Explained

Parcel is the basic unit of wholesale diamond trading — and buyers who don't understand how parcels are assembled and priced can badly misjudge value. Here's how it actually works.

August 2, 2026

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Buyer Guides

How to Verify a Diamond Manufacturer in Surat Is Legitimate

Surat has thousands of manufacturing units, from major exporters to small subcontracted workshops. Here's how international buyers actually vet who they're dealing with before committing to a purchase.

August 1, 2026

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Industry Insights

Diamond Buyers in Los Angeles: Sourcing Direct From Surat Instead of Downstream

LA's Jewelry District is one of the largest diamond and jewelry trading hubs in the US — but almost none of its diamond supply is cut locally. Here's the case for sourcing at the origin.

July 31, 2026

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Industry Insights

Diamond Buyers in London: What Hatton Garden Doesn't Show You

Hatton Garden is the historic heart of London's jewelry trade — but its diamond supply chain runs through the same distribution layers every other market does. Here's the case for sourcing direct.

July 30, 2026

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Industry Insights

Diamond Buyers in Johannesburg: From Mining Origin to Cutting Origin

South Africa knows diamonds from the mining side better than almost anywhere on earth. Here's why Johannesburg-based buyers and jewelers still benefit from sourcing cut goods direct from Surat.

July 29, 2026

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Industry Insights

Diamond Buyers in Bangkok: What Thailand's Gem Trade Doesn't Tell You About Surat

Bangkok is one of Asia's major gem and jewelry trading centers — but its diamond inventory is almost entirely imported, most of it originally cut in Surat. Here's what that means for buyers.

July 27, 2026

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Industry Insights

Diamond Buyers in Tel Aviv: Why Sourcing Direct From Surat Is Worth the Trip

Israel's diamond exchange in Ramat Gan is one of the world's great trading floors — but almost none of that inventory is cut there. Here's what Tel Aviv-based buyers gain by sourcing at the origin.

July 26, 2026