GRUNBERGER PRECISION-CUT DIAMONDS®

IDEAL CUT DIAMOND PROPORTIONS

Precision cut diamonds are our specialty thanks to the Grunberger Precision Cut®. Different types of diamond cuts deliver a variety of results, but everyone wants that unforgettable sparkle and shine. So diamonds are often judged by their cut, but what does this really mean?

The cut is the most important category of 4Cs because it determines a diamond’s brilliance. That’s why we created this excellent cut with the desire to bring out the best in what a diamond has to offer.

Through years of in-depth research on the relationship of cut proportions and light leakage, the Grunberger Precision Cut® succeeded in establishing the maximum fire and brilliance in a diamond.

Poorly-cut diamonds can be dark and dull even if they have perfect clarity or color.

Light leakage is caused by uneven proportions and poor symmetry.

If a cut is too shallow, light leaks out from the bottom. If it’s too deep, light escapes from the side.

Higher light leakage leads to a darker-looking diamond, which eliminates its fire and brilliance.

FIRE & BRILLIANCE

Brilliance, or the brightness a diamond provides when it reflects light off its facets to create white flashes for observers with naked eyes, is what you see when looking at a stone from any angle.

A well-cut round brilliant diamond looks brighter than poorly cut diamonds even if they’re both equally sized and have similar coloration and clarity because not all angles reflect as brightly due to imperfections in their cutting style.

When white light travels through these stones’ crown facets–or upper surface where points converge–it creates an array of spectral colors that combine into fiery flames called “fire.” That’s why we can call them “gemstones full of fire.”

Through its consistency and high precision cutting, Grunberger Diamonds brings unparalleled brilliance to a diamond.

IDEAL CUT MELEE DIAMONDS

Superior symmetry and unsurpassed quality: Grunberger Precision Cut diamonds are the perfect choice for anyone looking to make a statement.

Our superior optical symmetry is what sets our melee diamonds apart from other conventional cuts and brands, with our facet pattern known as Hearts & Arrows used on every diamond that we produce. When it comes to different types of diamond cuts, unlocking perfect Hearts and Arrows patterns are extremely difficult, particularly with melee sizes.

But we are a company with a long-standing legacy in diamond cutting and we know that perfection is key when it comes to diamonds. We check every single diamond before shipping them out and every diamond must meet our strict Hearts and Arrows pattern guidelines. We use the most advanced tools for measuring accuracy to ensure diamonds are calibrated within 0.025mm of perfection before sizing them in even more specific sizes with precision equipment.

With the Grunberger Precision Cut, we can unlock the perfect diamond every single time.