KRAUS 31-inch Undermount Single Bowl Black Onyx Granite Kitchen Sink

by Kraus
At other retailer: $280.00
Out of Stock
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ITEM# 16073796
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ITEM#: 16073796

Kraus undermount granite sinks create an instant style upgrade for the kitchen. Constructed from 80-percent natural granite, with the look and feel of real stone, these modern kitchen sinks look striking in a variety of settings. Clean lines and thoughtful design details highlight the organic elegance of granite, for an eye-catching look with contemporary appeal. The extra-deep basins accommodate large dishes with ease, while the gently rounded corners make sink maintenance simple. Each non-porous, naturally hygienic sink is protected with a thermal finishing process, creating a surface that is highly resistant to heat, chemicals, scratching, chipping, and discoloration. This single bowl sink provides a lifetime of functionality with refined style. For added convenience, a basket strainer drain assembly and complimentary towel are included free with purchase. Constructed from premium stainless steel, the top-quality basket strainer assembly creates a tight seal to prevent food and debris from clogging the drainpipe. For easy installation, all mounting hardware is provided. Experience Kraus Quality and bring your best kitchen ideas to life.

  • Constructed from 80-percent Natural Granite
  • Looks and Feels Like Real Stone
  • Naturally Sound-Absorbing Non-Porous Surface is Hygienic and Heat-Resistant
  • Protected by Thermal Finishing Process
  • Highly Resistant to Heat, Chipping, and Discoloration
  • Extra-Deep Basin Design
  • Standard 3.5" Drain Opening
  • Gently Rounded Corners for Easy Maintenance
  • All Mounting Hardware Included
  • Limited Lifetime Warranty
  • CSA B45.5/IAPMO Z124, CSA certified, MASS Approved

  • Sink is made from Granite Composite
  • Single basin sink
  • Rectangle sink shape
  • Black Onyx finish
  • Requires minimum cabinet size of 33 inches

  • Sink Measures 31.5 inches long x 17 inches wide x 8.88 inches high
  • Bowl depth measures 8.88 inches deep


Material Granite
Length Over 22"
Number of Bowl Single Bowl
Assembly Assembly Required
Bowl Depth 8.1 to 9 inches
Color Black
Number of Basin Single Basin
Set Includes 1 Piece
Shape Corner, Rectangle
Sink Style Undermount
Width Less than 20"
Dimensions Please see product description
Warranty Limited Lifetime
Model Number KGU-413B
Country of Origin India

Quality Rating

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Features for Rugs

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Customer Reviews

5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
  • Most Helpful

  • Great sink
    Verified Purchase

    This is easily the best looking and most durable sink I've ever had. Over a year later it still looks awesome. Highly recommended

    Read More
    Michael D. Aug 26, 2016
  • Marla
    Verified Purchase

    Paired this sink with granite. Just beautiful! Saved the day.... As lowes sells one sink from Lithuania. The Lowes sink never arrived. Held up my kitchen remodel. Overstock had this to me in a week. It was cheaper and came with the sink basket. In fact two choices of baskets. Matte finish on the black granite sink. No issues. Just so pleased with overstock. Had a mix up with another order I placed. Overstock returned the items with no problem. Customer service is perfect. I can't say enough about overstock!!!

    Read More
    Marlene M. Jun 6, 2016
  • Most Recent

  • Beautiful sink
    Verified Purchase

    This user earned $2.00 in rewards for writing this review.Learn More

    This sink is beautiful and looks very high end. It is long and deep and holds my large crock pot with lots of room to spare. I love it and would recommend.

    Read More
    Sam W. Nov 5, 2017
  • Bought for the laundry room
    Verified Purchase

    This user earned $2.00 in rewards for writing this review.Learn More

    I love this sink. Perfect for the laundry room where we wash muddy shoes and soak laundry. It gives an almost industrial look. No scratching or staining issues. Very durable.

    Read More
    Andrea J. Oct 20, 2017
  • Kitchen Sink
    Verified Purchase

    Love the look & size. I can now wash gas grill parts & gas cooktop grates without having to keep flipping over.

    Read More
    Bobbie C. Aug 18, 2017
  • kraus 31" sink
    Verified Purchase

    good looking, self cleaning, attest the countertop, quartz,

    Read More
    Kurt R. Aug 16, 2017
  • Sink has hairline cracks in the corners.
    Verified Purchase

    This sink IS beautiful and I would he thrilled with it if not for the cracked corners. It has been longer than 30 days, so I cannot return it. The lesson to be learned is: CHECK YOUR PRODUCT very thoroughly and right away when it is delivered, even if your kitchen remodel gets delayed and you aren't going to need the sink for a few months.

    Read More
    Elise C. May 18, 2017

Questions & Answers

  • Q:

    "Do you have a matching prep sink?"

    • A:

      There is no matching prep sink for this product

  • Q:

    "Could you please send the cutout sheet?"

    Have an Answer? Be the first to answer this question!
  • Q:

    "Does this sink come in white?"

    Have an Answer? Be the first to answer this question!
  • Q:

    "Does this sink have a matte or shiny finish?"

    • A:

      It had a smooth matte finish. Nothing sticks to it. It is also very durable, no scratches even with the heaviest Dutch oven.

    • A:

      Matte. Beautiful sink. Wow. Really love it. Deeper than expected. Comes with basket. Could not find at lowes or Home Depot.

    Read more Read less
  • Q:

    "Is this sink able to be connected to a garbage disposal? We received the sink and there is only a basket drain that doesn't seem to hook up to a disposal. Thanks!"

    • A:

      Yes, but you well have to buy that at your local home improvement store.

  • Q:

    "Are the stated measurements interior sink lengths or do they include the sink flange? Thank you :)"

    • A:

      Hello typea, thank you for your inquiry. Unfortunately, the information you have requested is currently unavailable. You will receive an email notification once an answer is posted. Have a great day.

  • Q:

    "Why did you choose this product?"

    • A:

      color, granite, size and value for price

    • A:

      Perfect size and color for my current project. I'm a huge fan of a single bowl sink and have always been pleased with quality of Kraus products.

    • A:

      color and size

    • A:

      Love this sink. It is beautiful and easy to maintain. I have one at our other house and am doing it again.

    • A:

      This sink will look awesome with my counter tops and appliances!

    • A:

      I have this sink. I am not doing a solid surface now. Can we install as a drop in sink? I love the sink I want to keep it.

    • A:

      I was looking for something different and liked the idea of the black granite. The reviews were a consistent five star rating and also verified that this sink was of good quality and deep which is what I wanted.

    • A:

      I'm remodeling my kitchen with all black appliance and was in need of a new sink

    Read more Read less

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Contact Information
Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.