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Diamond Size

Diamond Carat

Carat is often the first thing to come to mind when thinking about a diamond’s size. Size and carat weight are closely related but there are other factors in a diamond’s appearance. Cut and shape also play a role in whether the diamond appears visually larger or smaller than its actual carat weight.

Kwiat Standards

A properly cut diamond will not have too much weight in hidden areas. The added weight increases the cost without giving the diamond a larger appearance. At Kwiat, we cut our diamonds to keep the carat weight in the right places. Each gem has the widest possible diameter to appear larger than other diamonds of comparable carat weight. And because of their superior cut, our diamonds will appear whiter than their GIA color grade. We call this the Kwiat Tiara® Cut.

Kwiat diamonds

  • 5.1 - 5.3mm
    1/2 CARAT
    4.8 - 5.0mm
  • 5.8 - 6.0mm
    3/4 CARAT
    5.6 - 5.8mm
  • 6.4 - 6.6mm
    1 CARAT
    6.2 - 6.4mm
  • 7.4 - 7.6mm
    1 1/2 CARAT
    7.1 - 7.3mm
  • 8.1 - 8.3mm
    2 CARAT
    7.9 - 8.1mm

Other diamonds

Diamond Color and Clarity

Diamond Color

Diamonds are rated on a color scale developed by the GIA, the world’s premier diamond grading nonprofit. The color grading system is based on the alphabet, beginning with the letter D and running all the way through Z. A grade of D is the best possible grade a diamond can receive, which translates to an absence of color. Diamonds with this grade tend to be the most rare and valuable.

Diamond Clarity

Clarity refers to the presence of imperfections, known as inclusions, in the crystal structure of the diamond. Nearly all diamonds contain some sort of inclusion, as they are part of a diamond’s characteristics and structure. An inclusion within a diamond is natural, and on the higher end of the clarity scale, does not take away from its beauty.

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The Magic of Diamonds

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A more beautiful shape, a more brilliant cut

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MADE JUST FOR YOU

Unique rings, custom created
in New York City.

For more than 115 years, our family has been the trusted source for diamonds of superb quality, cut to the world’s highest standards. They form the centerpiece of bespoke engagement rings created according to your exact specifications. We invite you to meet with our experts to design the ring of your dreams — the setting that reflects your style and the diamond that embodies the brilliance of your love.

Natural diamonds, ethically sourced, conflict free

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SUPERIOR QUALITY & CRAFTSMANSHIP
We adhere to the strictest standards with unsurpassed honesty and integrity.

CONFLICT FREE & ETHICALLY SOURCED
We maintain the highest standards for diamond procurement.

GIA CERTIFIED
All Kwiat diamonds are graded by the GIA and are accompanied by a GIA certificate.

From left to right: Cory, Greg, Lowell and Russell Kwiat

116 YEARS OF CRAFTSMANSHIP AND INTEGRITY

In 1907, Sam Kwiat started in the diamond jewelry business. He never imagined that his passion would take hold for generations to come. Together with his son, David, they grew a small family shop into a diamond legacy. More than a century later, the Kwiat family continues to design and craft the most exquisite diamond jewelry.

First Kwiat store on Canal Street in New York City, 1907

Today’s Kwiat flagship store on Madison Avenue in New York City

116 YEARS OF CRAFTSMANSHIP AND INTEGRITY

In 1907, Sam Kwiat started in the diamond jewelry business. He never imagined that his passion would take hold for generations to come. Together with his son, David, they grew a small family shop into a diamond legacy. More than a century later, the Kwiat family continues to design and craft the most exquisite diamond jewelry.

CUSTOMERS ARE FAMILY

Our intention is to share our knowledge and expertise as we welcome you into the Kwiat family. An emphasis is placed on providing advice that fits your situation, with personal recommendations for selecting the right diamond jewelry for any of your special occasions. We take pride in our name and what it has come to stand for—diamond jewelry crafted with honesty and integrity. This is why customers keep coming back, generation after generation.

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GET INSPIRED

Wrap her in diamond ribbons for a holiday season she’ll never forget. 

#diamondribbon #onlynaturaldiamonds
Timeless. Classic. American Beauty.

#diamondriviere
Of the 4Cs, Cut is the most important and the only factor of a diamond’s beauty that we can control.

Some jewelers cut diamonds to retain carat weight so they can charge you more, but Kwiat cuts diamonds to maximize brilliance and beauty, even if it means sacrificing weight. 

The surprising part? Our way of cutting actually makes diamonds look larger! DM us to learn about our unique approach.

#diamondeternityband #ASHOKAdiamond
You can wear your heart on your sleeve... or you can wear it around your neck. 🤍 We’ve made our choice.

#diamondheart
This Lyric collection ring is a bestseller for a reason: three rows of exquisite sparkle.

#diamondring
It’s time to start planning your festive holiday looks, and we’ve got just the special piece you need. Since ASHOKA diamonds are available in the U.S. exclusively from Kwiat, you’re sure to stand out at every party.

#ASHOKAdiamond
When it comes to line bracelets, no one does it better.

#diamondlinebracelet
No tricks here — you deserve a treat. Get Halloween ready in citrine and diamonds.

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