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Leibish & Co. is an internationally acclaimed specialist and premier online source for natural fancy color diamonds and fine colored diamond jewelry. Established in 1979 by Leibish Polnauer, the company has distinguished itself with an extensive inventory of the world's rarest and most vibrant colored diamonds, including pink, yellow, blue, green, and red diamonds, alongside other precious gemstones. They offer a comprehensive range of products, from investment-grade loose diamonds to meticulously crafted finished jewelry pieces such as engagement rings, necklaces, earrings, and bracelets. Leibish & Co. serves a discerning global clientele, emphasizing quality, rarity, ethical sourcing, and exceptional customer service. Their expertise extends to bespoke design, allowing customers to create unique, personalized pieces.
The headquarters serves as the central operational hub, overseeing diamond sourcing, cutting and polishing assessment, intricate jewelry design and manufacturing, global sales, marketing initiatives, and comprehensive customer service.
Located within the high-security, globally recognized Israel Diamond Exchange complex, providing direct access to an unparalleled network of diamond suppliers, cutters, and industry professionals.
Leibish & Co. fosters a dynamic, passionate, and family-oriented work environment. The culture emphasizes deep expertise in colored diamonds, meticulous attention to detail, innovative design, ethical practices, and a strong commitment to customer satisfaction.
Its prime location in one of the world's largest diamond bourses grants Leibish & Co. exceptional access to the rarest gems and critical market insights, solidifying its leadership in the fancy color diamond sector.
Leibish & Co. maintains a significant global presence, anchored by its headquarters in Israel and supported by international offices in key metropolitan centers including New York, Hong Kong, Antwerp, and Shanghai. This strategically distributed network enables comprehensive global functions such as worldwide sales operations, personalized multilingual customer service, direct diamond sourcing from primary markets, bespoke jewelry design consultations, secure international shipping and logistics, and active participation in major international jewelry and trade shows. Furthermore, their sophisticated e-commerce platform extends their reach virtually, allowing customers from any location worldwide to explore their inventory, engage with experts, and make secure purchases.
Maccabi Building, Suite 1421, 1 Jabotinsky St.
Ramat Gan
Tel Aviv District
Israel
Address: 580 Fifth Avenue, Suite #502, New York, NY 10036, USA
Caters specifically to US and Canadian clientele, offering convenient regional access to Leibish & Co.'s extensive collections, bespoke design services, and expert advice.
Address: Unit 704, Peter Building, 58-62 Queen's Road Central, Central, Hong Kong
Supports clients across Asia, providing localized services in multiple languages (English, Cantonese, Mandarin) and access to fancy color diamonds in a key international trading and luxury retail center.
Address: Pelikaanstraat 78, Room 709, BE-2018 Antwerpen, Belgium
Serves the European market, leveraging Antwerp's rich history and central role in the diamond trade for sourcing unique gemstones and engaging with European clients.
Address: Bund Center, No.222 Yan An Road East, Huangpu District, Shanghai, 200002, China, Unit 1521
Caters to the mainland Chinese market, a significant and expanding segment for luxury jewelry, investment-grade diamonds, and bespoke creations.
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As of April 2025, Leibish & Co.' leadership includes:
Leibish & Co. has been backed by several prominent investors over the years, including:
Leibish & Co. is characterized by a stable, long-standing leadership team, primarily composed of family members. Major executive appointments or departures are infrequent and typically not publicized. No significant executive hires or exits have been publicly announced in the last 12 months.
Discover the tools Leibish & Co. uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Leibish & Co. likely utilizes standard professional email address formats for its employees, typically combining the employee's name with their official domain, 'leibish.com'. The most common structures are likely [first]@leibish.com or [first].[last]@leibish.com.
[first]@leibish.com
Format
yossi@leibish.com
Example
75%
Success rate
PR Newswire • December 5, 2023
Leibish & Co. announced the unveiling of 'The Leibish Prosperity Pink,' an extraordinary ring featuring a 0.52-carat Fancy Intense Purplish Pink Argyle diamond. The stunning centerpiece is further accentuated by Argyle blue diamonds, showcasing the company's expertise and access to rare diamonds from the now-closed Argyle mine....more
PR Newswire • October 10, 2023
Leibish & Co. revealed plans for an auction of 'The Red Dragon’s Trove,' a significant and potentially record-breaking collection of fancy red diamonds. Red diamonds are among the rarest and most valuable gemstones globally, and this auction highlights Leibish's position as a key purveyor of such exceptional gems....more
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