Every new New York business filing, every dayNew Diamond Trading Businesses in Manhattan, NY
2 diamond trading businesses recently registered in Manhattan, New York.
Updated October 7, 2026 · Most recent business filing Jul 23, 2026
Every new New York filing, every day
See how it worksAbout Diamond Trading Businesses in Manhattan
This page lists new diamond trading businesses registered in Manhattan, New York. We currently track 2, sourced directly from the New York Division of Corporations and refreshed daily as new diamond trading companies file.
Recent additions include SIEMME LLC and Bless Harmony Trading. The most recent diamond trading business filing was on Jul 23, 2026.
Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to diamond trading businesses in Manhattan, this is one of the freshest prospect lists in the market.
All Filings
SIEMME LLC
Jul 23, 2026Siemme is a private B2B diamond desk based in New York (2 W 46th St) and Mumbai. They provide pricing for natural and lab-grown diamonds, allowing customers to search one stone or upload entire lists. Their website emphasizes speed and a single source for both origins.
Bless Harmony Trading
Dec 2, 2025Trusted B2B source of natural and lab-grown diamonds based in New York, NY, offering conflict-free and eco-friendly diamonds with a comprehensive inventory.
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