Kraus Quarza KGD-433B 33-Inch Black Onyx Granite Kitchen Sink Review

January 18, 2021
Kraus Quarza KGD-433B 33-Inch Black Onyx Granite Kitchen Sink Review

Written by: Deane Biermeier / Facts Checked by; Ryan Cullenward / Products Tested by Licensed Interior Designers

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Black granite kitchen sink could be a good choice for anyone who wants to see all the latest features in the black color and of course in the granite material. The Kraus Quarza KGD-433B kitchen sink has been Amazon’s choice for a while, and for your information, it is available at quite a competitive price too.

Kraus Quarza Kitchen Sink, 33-Inch Equal Bowls, Black Onyx Granite, KGD-433B
  • 33-Inch Equal Bowls
  • Sink with Strainer
  • 9.5 inches Depth
  • Maximum Cabinet Size 27 inches


The dimensions of this sink are quite standard ones with a cross-sectional area of 33 by 22 inches, you will never run out of space. Moreover, there is a depth of 9.5 inches in this sink which is more than enough to handle all sorts of big utensils and pans. As far as the color of the sink is concerned, it comes in black onyx color which is something that a customer would love to see in the kitchen.

It is not like that you are going to just get the black kitchen sink but also the set of accessories that would support this great piece of the sink by Kraus. This accessory list includes drain assembly, towel, bracket strain, mounting hardware, and cutout template, also.

There is something different in this sink as it is made up of granite stone and that makes it a rock-solid material of stone which has some great features to offer other than just the durability. This is the material that Kraus has engineered to lower down all sorts of noise that you generate while washing your things in the kitchen. This granite structure has been made in such a way as to absorb all the unnecessary vibrations.

The granite material also ensures that the sink has far greater thermal and impact resistance which could handle the heat up to 650 degrees of Fahrenheit. A huge advantage of this feature is that you could not only place this sink nearby of heating objects but also could use it with the boiling water.

There is a minimum recommended space of 36 inches of cabinet needed for this sink. For many customers, hygiene comes first and it should be first, indeed. Therefore, Kraus has come up with this innovative idea of bringing hygiene ingrained into the material of the sink. This sink possesses some natural hygienic material that has got silver ions in it to repel all sorts of contamination.

Another huge advantage associated with the material of this sink is that you will not be required to clean its surface very much as a single splash of water with a gentle rub would do. This is a low maintenance sink and does not get easily dirty.

Not to mention here that this is a double bowl sink, and both of these compartments come up with equal proportions. Customers have shown their content over all the features of the sink and they have mostly given 5 out of 5-star reviews on this amazing product.


Without having a doubt, this is a highly recommended black granite kitchen sink, if you want to buy from a quality brand with some quality material.

Disclosure: receives an affiliate commission on some, but not all, of the products we recommend—but only if you decide to click through to the retailer's site and make a purchase.

Deane Biermeier - A senior contractor and an experienced freelance writer - expert for reviews

Deane is an amazing freelancer with wide range of skills. He has good ideas and a prominent passion of writing. He is currently working on many websites including Sanitary Supply.

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