LEIBISH is a globally renowned leader in high-end diamonds and jewelry, specializing in natural fancy-colored diamonds and gemstones. Founded in 1979, this close-knit family business—led by Leibish, his wife Rosi, and their children—has become a trusted name in the industry. Today, LEIBISH proudly serves as a premier supplier to esteemed jewelers, designers, and manufacturers worldwide, combining decades of expertise with a personal touch.
LEIBISH offers one of the most extensive online collections of colored diamonds, featuring an array of exquisite fancy and ideal cuts in a spectrum of hues, clarities, and sizes to suit a range of budgets. Specializing in rare Argyle Pink and Canary Yellow diamonds, LEIBISH sources its stones from trusted mines in Australia, Africa, India, and Russia. Every diamond is ethically sourced, adhering to UN Resolutions and ensuring compliance with international conflict-free standards.
An 8.88 carat, Fancy Intense Yellow Diamond, Cushion Shape, VS1 Clarity, GIA
LEIBISH was a trailblazer, becoming one of the first fancy-color diamond companies to offer online services. Founder, Leibish Polnauer, recognized the transformative potential of e-commerce early on, using it to connect with customers around the globe.
At the turn of the 21st century, LEIBISH expanded into jewelry manufacturing, designing and creating exquisite pieces featuring exquisite color diamonds, each expertly graded for size and color. While their color diamond engagement rings are customer favorites, the company offers a diverse range of jewelry, from everyday elegance to haute couture masterpieces.
Every LEIBISH diamond and jewelry piece is accompanied by a trusted certification, including GIA, Argyle, IGI, or in-house grading reports, ensuring quality and authenticity in every detail.
A Fancy Yellow, Radiant Pave Cross-Over Diamond Dress Ring (3.92Ct TW)
With over 33 years in the industry, LEIBISH has built a global network of loyal clients, renowned for consistently exceeding customer expectations. In 2012, the company celebrated 100,000 monthly online visits, with an impressive 74% return customer rate. Customers enjoy free international shipping, a money-back guarantee, and personalized service from the dedicated LEIBISH team.
LEIBISH is a regular participant in prestigious trade shows and the exclusive Argyle Pink Diamond Tender, securing some of the world’s rarest gems. Highlights include:
- A matching pair of Argyle pink diamonds over a carat each in 2017.
- The first internally flawless Argyle diamond in over 20 years in 2016.
- A total of 67 Argyle Tender diamonds acquired between 2009 and 2017.
These milestones showcase LEIBISH’s passion for sourcing exceptional gems and delivering unparalleled quality.
Working within an industry where our products are already labeled “one of a kind” a pair like this is known as the ultimate anomaly
LEIBISH highlights select fancy-colored diamonds as exceptional investment opportunities, supported by a team of investment professionals who provide expert insights, educational resources, and personalized guidance.
With offices strategically located worldwide—including the Israel Diamond Exchange, New York City, Sydney Australia and Central Hong Kong—LEIBISH ensures a global presence. The company also collaborates with trusted partners in Belgium and Mumbai, strengthening its international reach.
Leadership is helmed by Leibish Polnauer, Founder and President, alongside Yossi Polnauer, CEO, reflecting decades of expertise and a shared vision for excellence in the diamond industry.
Contact info@leibish.com
Tel (Toll free): +(1) 212-921-9700
