Discover Seven Iconic Diamond Shapes Cut to Perfection

We’re So Picky About Cut, We Created Our Own Rules

For more than 100 years, Kwiat has been perfecting the art and science of cutting diamonds. Along the way, we’ve developed the strictest standards in the world. So strict that the typical approach to cutting diamonds isn’t good enough for us. That’s why we developed Kwiat Tiara Diamonds™, a collection of iconic shapes that are more captivating than all other diamonds on Earth. Each diamond is natural, conflict-free, and sustainably and ethically mined. And, of course, they are only available from Kwiat.

But before we tell you more about our exclusive Kwiat Tiara Diamonds, here’s a little more information about cut, and why it’s so important to the beauty of a diamond.

Why is “Cut” the Most Important Thing About a Diamond?

When choosing a diamond, one of the most crucial factors that determines its brilliance isn’t its size or rarity — it’s the cut. Of the 4 Cs you’ve heard so much about — Cut, Color, Clarity, and Carat weight — it’s Cut that has the greatest impact on a diamond’s beauty. Unlike the other three, cut is not determined by nature but by human craftsmanship, precision, and artistry. Even the most flawless, colorless diamond cannot sparkle without an exceptional cut.

Why is cut important?

But What Does “Cut” Actually Mean in a Diamond?

Cut is often confused with “shape” (such as round, cushion, or oval), but the two are different. Shape describes the outline of the diamond’s silhouette, and is a matter of preference. “Cut” refers to a diamond’s proportions, angles, and faceting pattern — the precise way in which a rough diamond is cut and polished to reflect light. A well-cut diamond reflects light beautifully and has exceptional brilliance, which is a combination of:

  • Brightness: white light returned to the eye
  • Fire: rainbow-colored flashes from light dispersion
  • Scintillation: the sparkle created as the diamond moves

Poorly cut diamonds, by contrast, can appear dull, even if they have high color and clarity grades.

Why Kwiat Sets the Highest Standards for Cut

At Kwiat, we’ve been perfecting the art and science of diamond cutting since 1907. In cutting our exclusive Kwiat Tiara Diamonds, we go far beyond the industry standards for well-cut diamonds. We select only the finest rough diamonds with superlative color and clarity, then cut them with unmatched precision to unlock their full potential. The result? Diamonds that sparkle brighter, appear whiter, and often look larger than their actual carat weight.

Explore our signature cuts below, all refined to reveal more sparkle, fire, and elegance than typical diamonds. Each Kwiat Tiara Diamond is natural, conflict-free, and responsibly sourced from a known region. And each bears the Kwiat Tiara® logo, laser-inscribed as a mark of perfection, traceability, and integrity.

The Signature Kwiat Tiara Diamond™ Shapes

KWIAT ROUND™

The Most Brilliant Round Diamond in the World

Only the best diamond cutters could create a diamond like the Kwiat Round. No other diamond is cut to such exacting standards. No other diamond exceeds GIA criteria
every time. Excellent cut and consistent faceting create the optimal balance of fire, brightness, and scintillation. This gives the diamond a whiter appearance than its color grade and makes it look larger than its carat weight. Simply put, there is no round diamond that sparkles more.

Kwiat Round
Kwiat Cushion

KWIAT CUSHION™

A Classic Cut Refined

How do you improve upon a cut that’s been adored for centuries? We love cushion diamonds too, but it’s difficult to find a beautiful one. So, we created our own — a true brilliant cut with the most sparkle and fire. The Kwiat Cushion diamond has a highly desirable elongated shape, an ideal length-to-width ratio, beveled edges, and rounded corners. The perfectly elegant silhouette sets it apart from the rest: In fact, the design is so distinctive, it’s patented.

KWIAT OVAL™

Classic Elegance, Modern Brilliance

Oval diamonds are everywhere these days, but ours sparkle more than the rest. The Kwiat Oval has a perfect shape and unique faceting pattern that eliminates the unattractive bowtie effect often found in other oval diamonds. Plus, its elongated silhouette and ideal length-to-width ratio make it appear larger than its carat weight.

Kwiat Oval
Kwiat Radiant

KWIAT RADIANT™

Absolutely Dazzling

As its name suggests, a radiant diamond is designed to emit light. We perfected this cut to create even more sparkle. The Kwiat Radiant has a novel combination of facets that creates pure brightness throughout the diamond — an elegant rectangle with outstanding brilliance. The effect is breathtaking.

KWIAT EMERALD CUT™

Sophistication Perfected

The emerald cut’s clean lines and parallel step-cut facets have long been considered the height of elegance. Popularized in the 1920s and perfected by Kwiat in the 2020s, this is a diamond for today, tomorrow, and always. The Kwiat Emerald Cut is meticulously designed with ideal proportions to reveal maximum brightness and fire, creating a diamond of unmatched beauty.

Kwiat Emerald Cut
Fred Leighton Round

FRED LEIGHTON ROUND™

The Old European Cut, Perfected

As diamond experts since 1907, we know a thing or two about antique cuts … like the old European — charming and romantic, yet difficult to find with qualities that meet our standards. So, we evolved the style with precision-cut facets and consistent dimensions that reveal a bigger and brighter diamond. Like a family heirloom, but better.

ASHOKA®

The Diamond of Legend

For those who seek a diamond that few others own, consider ASHOKA, available in the U.S. only at Kwiat. It takes a special rough stone to create an ASHOKA — fewer than 1% of rough diamonds meet the exacting criteria. A unique faceting pattern gives ASHOKA its dazzling prismatic effect and makes it appear 30% to 50% larger than other diamonds of the same carat weight. Don’t be surprised if people stare.

ASHOKA

Why Choose a Kwiat Tiara Diamond™?

If you want a diamond that does more than sparkle — one that captures light, turns heads, and stands the test of time — there is no better choice. With more than a century of expertise and the highest standards in the industry, Kwiat cuts diamonds that are not just beautiful. They’re extraordinary.

Explore the collection or book an appointment to learn more and experience these perfectly cut diamonds in person.