The Suttons and the Quiet Dynasties

By Olam Editorial · Edited Jul 7, 2026

Part of: The Israeli Diamond Economy · The Communities That Built Israeli Industry

The Olam · Diamonds & the Bourse

The Tel Aviv Diamond Exchange publishes its membership rolls. The Dubai Multi Commodities Centre publishes its annual figures. The Antwerp World Diamond Centre publishes quarterly trade data. The private dynasties that anchored the New York–Tel Aviv diamond axis from the 1950s onward publish nothing. Their balance sheets are inside the family. Their successions happen at brit milahs and kiddushim, not in press releases. And their capital — accumulated diamond by diamond over three or four generations — has compounded out of the public eye in a way no listed company can replicate.

Three communal nodes built the discreet half of the post-war diamond trade. The Syrian-Jewish "SY" community of Brooklyn and Deal — most visibly anchored by the Sutton, Cayre, Esses, and Saka surnames. The longer-established Ashkenazi 47th Street community — including the Schreiber, Goldberg, and Lazare Kaplan dynasties. And the Mashhadi Persian-Jewish community of Great Neck — anchored by the Banayan, Hakimian, Kashanian, and Hakakian families. These communities differ in language, liturgy, and history. They overlapped on one block in midtown Manhattan, and on one square mile in Ramat Gan, for half a century.

The infrastructure

Forty-seventh Street between Fifth and Sixth Avenues remains, by sales volume, one of the densest commercial blocks in the United States. By Diamond District BID figures, more than 2,600 businesses operate in the district, generating roughly $24.6 billion in annual sales and employing approximately 33,000 people — a substantial share of them Orthodox or Hasidic Jews. By industry estimate, roughly 90 percent of the diamonds entering the United States transit the district. The Diamond Dealers Club (DDC), founded in 1931 and relocated to 47th Street in 1941, sits as the central institution: a private trading floor, a binding arbitration tribunal, an in-house synagogue, and a credentialing body.

The DDC's arbitration system is the architectural feature that made the trade possible. A diamond passed on memo from dealer A to dealer B can sit in B's safe for weeks, be shown to C and D, and return to A unsold without a written contract. The communal cost of breaching this arrangement — expulsion from the DDC, name circulated to the IDE in Ramat Gan and the Antwerp Bourse — was, in practice, more severe than any civil judgment.

Trust was the currency. The dynasties were the issuers.

The Syrian-Jewish axis

The SY community — Jews originally from Aleppo and Damascus who migrated to Brooklyn in waves between the 1880s and the 1950s — is one of the most cohesive communal economic networks in American Jewish history. The community is famously endogamous, enforcing strict communal rules against marrying outside, codified in a 1935 takkanah that has been periodically reaffirmed. It concentrates geographically in a few Brooklyn neighborhoods and in Deal, New Jersey for summers.

The Sutton surname is among the most common in the SY community — descended from Halabi Jewish families whose name was Anglicized at Ellis Island. There are many distinct Sutton families, and their commercial footprint extends across diamonds, jewelry manufacturing, importing, electronics, and New York real estate. The community compounded wealth through three advantages: low intra-community transaction costs, high savings rates, and a preference for asset classes — diamonds, real estate, private inventory businesses — that compound quietly across generations.

Other surnames built equivalent positions. The Cayre family became a major real estate and jewelry holding family. The Esses, Saka, Shamah, Sasson, Tawil, and Antar families all built multi-generational positions across diamond, gold, and gem trades, often combined with garment, electronics, or property holdings.

The Schreiber dynasty and the 47th Street old guard

The Ashkenazi diamond families that defined 47th Street arrived in two waves: the first from Antwerp and Amsterdam in 1939–1941, fleeing the German occupation; the second in the late 1940s, survivors with relatives already established. Both groups landed predominantly Orthodox or Hasidic, and the trade absorbed them — Belz, Satmar, Bobov, and Lubavitch Hasidim built positions on the block that their grandsons still hold.

The William Goldberg Diamond Corporation, founded in 1985, became one of the most prominent high-end polished houses in the world, known for its Ashoka cut and a long string of significant stones. Lazare Kaplan built one of the few publicly traded American diamond manufacturers, founded by the cousin of Marcel Tolkowsky, who codified the modern brilliant cut in 1919.

The Mashhadi node

The Mashhadi Persian Jews — estimated at roughly 20,000 worldwide, concentrated in Israel, New York's Great Neck, Milan, Hamburg, and London — have a unique history: forcibly converted to Islam in the Allahdad massacre of 1839, they maintained crypto-Jewish observance for nearly a century. The Islamic Revolution of 1979 triggered the migration to Great Neck, where the community now numbers roughly 7,000. The Banayan surname is among the most recognizable in the community's gem and jewelry trades. Like the SY community, the Mashhadis have moved laterally from jewelry into New York and Long Island real estate over the last twenty years.

Where the capital went

The diamond trade contracted. The dynasties did not. These families never depended on diamonds alone — they depended on communal trust, multi-generational capital, inventory businesses with low overhead, and gradual diversification. The visible direction of that diversification, across all three communities, is real estate and then private equity and venture. The architecture is consistent: Generation one accumulated diamond capital. Generation two diversified into real estate. Generation three is restructuring into family offices that deploy across asset classes.

What the dynasties have outlasted

The De Beers cartel they bought from is gone. The Antwerp ecosystem that trained them has contracted. The Israeli cutting industry that supplied their polished inventory has hollowed out. The Russian rough pipeline is sanctioned. Lab-grown diamonds are disrupting the mid-market. And yet: 47th Street still moves $24 billion a year. The SY community in Brooklyn and Deal is by every demographic and commercial indicator larger and richer than it was twenty years ago. The dynasties continue to compound, and the next generation continues to take its seats — on 47th Street, in Ramat Gan, in Great Neck, in Deal — quietly, and on schedule.