Leibish & Co.

{{Infobox company

| name = Leibish & Co.

| logo = Logo-למשרד-חדש.jpg

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| native_name_lang = en

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| type = Private

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| industry = Diamonds

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| foundation = 1979

| founder = Leibish Polnauer

| defunct =

| location_city = New York

| location_country = USA

| locations =

| area_served = Worldwide

| key_people = Leibish Polnauer

| products = Natural fancy color diamonds
Fine jewelry

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| num_employees = 40

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| homepage = http://www.leibish.com

}}

Leibish & Company is a multinational, family-owned online diamond dealer and jewelry retailer, specializing in fancy color diamonds and rare gemstones. Founded in 1979 as a diamond broker, the company operates out of the Israel Diamond Exchange and has marketed exclusively through an online portal since 1995. Leibish & Co. purveys both privately owned diamond collections{{cite news|url=http://www.benzinga.com/pressreleases/11/11/p2122208/leibish-co-continue-to-impress-at-prestigious-argyle-diamond-tender |title= Leibish & Co. Continue to Impress at Prestigious Argyle Diamond Tender |publisher= Benzinga | date=November 14, 2011 }}{{cite news|url=http://www.israel21c.org/culture/color-is-king-in-fancy-diamonds/ |title= Color is king in fancy diamonds |publisher= ISRAEL21c | date=January 10, 2013 }} and its own line of custom-designed fine jewelry.{{cn|date=November 2021}}