Hearts & Arrows2015 JCK Las VegasGrunberger Diamonds is the world’s largest producer of Ideal Cut with Hearts and Arrows diamonds, the finest diamonds in the world. Specializing in sizes from .7mm to 3.9mm (.00175 carat to .23 carats), we manufacture hundreds of thousands of diamonds a month, in over 40 qualities…each ideal cut with hearts and arrows. Our diamonds can be calibrated to within .00250 of a millimeter, ensuring that they will match and fit the settings you designed while being the most beautiful choice you can make. As an AGS Supplier, we adhere to the highest level of grading standards and business ethics.Grunberger Diamonds

Call us at +1.516.482.6212 to see how we can simplify your buying process, enhance the beauty of your design, and save you time and money in production costs.


Ideal Cut Learning The Grade
Hearts & Arrows The Story
The Finest Diamonds Worldwide

Precsion BrutingPrecision

Grunberger Precision Cut® diamonds can be calibrated to within .00250 of a millimeter.
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Quality DiamondQuality

Grunberger Diamonds is the world’s largest producer of Ideal Cut with Hearts and Arrows diamonds.
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BrillianceBrilliance

We specialize in sizes from .7mm to 3.9mm (.00175 carat to .23 carats in weight).
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