Karran QU-670 Undermount Quartz Composite 32 in. Single Bowl Kitchen Sink in Black
Karran QU-670 Undermount Quartz Composite 32 in. Single Bowl Kitchen Sink in Black
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Karran

Karran QU-670 Undermount Quartz Composite 32 in. Single Bowl Kitchen Sink in Black

Karran QU-670 Undermount Quartz Composite 32 in. Single Bowl Kitchen Sink in BlackKarran QU 670 Undermount Quartz Composite 32 in Single Bowl Kitchen Sink in BlackKarran Usa Qu 670 Quartz Qu 31 3 4 Undermount Single Basin Quartz Composite Kitchen SinkKarran Usa Qu 670 Undermount Quartz Granite 32 Single Bowl Kitchen Sink BrownKarran Usa Qu 670 Undermount Quartz Granite 32 Single Bowl Kitchen Sink ConcreteKarran Usa Qu 670 Undermount Quartz Granite 32 Single Bowl Kitchen Sink BeigeKarran Usa Qu 670 Undermount Quartz Granite 32 Single Bowl Kitchen Sink Grey
Actual Color:Black

Key item features

  • Durable Composition: Constructed from 80% natural quartz crystals and pure acrylic resin, offering an ultra-hard surface.
  • Resilient Performance: Heat resistant up to 535°F, capable of withstanding rapid temperature changes, and extremely resistant to stains, scratches, abrasion, and impact.
  • Hygienic Surface: Non-porous material prevents bacteria spread and ensures food residue won't stick or stain, simplifying cleaning with just soap and water.
  • Optimal Dimensions: Features a 31-3/4" overall length, 19-3/4" overall width, and a 9" deep single bowl, requiring a 36" sink base cabinet.
  • Practical Design: Includes a side drain location for increased cabinet storage and noise absorption properties from the quartz material.
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Current price is $299.95
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Sold and shipped by Buildcom
4.20065495683239 stars out of 5, based on 3359 seller reviews(4.2)
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Customer ratings & reviews

4.8 out of 5 stars
stars135 ratings64 reviews
How item rating is calculated
  1. 5 stars86% (116)
  2. 4 stars13% (17)
  3. 3 stars1% (1)
  4. 2 stars0% (0)
  5. 1 star1% (1)

Reviews summary

Pros

  • : Compatible with various countertop colors and designs.
  • : Accommodates entire dishwasher loads and multiple items.
  • : Blends with various materials and colors.
  • : Made with high-quality materials that ensure longevity.
  • : Made to match quartz countertops.
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Showing 1-3 of 64 reviews

May 26, 2026
Kardacian
5 out of 5 stars review

Seller Verified Purchase

Rich looking solid sink

Really big sink easy to install no waterspots and looks more elegant than Stainless Steel. Only knock is there is no option for Kholer disposal with mathing the color. o I had to use the original Stainless steel. Would have been nice to have a matching one but still love the sink.

Review from karran.com
Helpful?5GJA305RJATC680222521
Aug 31, 2025
MTZ218
5 out of 5 stars review

Seller Verified Purchase

Great sink

I bought this sink primarily because it helped solve a design issue with my kitchen remodel - wanting to shift the sink to the right to center under a window. The offset design allowed that to happen with no in-wall plumbing changes. On top of that, I like its large size and it worked great with my quartz countertops. My only caution is not to let food scraps sit overnight as it can stain but cleans up easily with regular soap.

Review from karran.com
Helpful?5GJA305RJATC680222521
Mar 1, 2026
Gertie
5 out of 5 stars review

Seller Verified Purchase

One Big Bowl - quartz

I love my new sink. The one large bowl makes it so easy to wash refrigerator shelves and large items. The gray color is perfect for my new countertops. I also am loving having the under mount as well, just brush those counter crumbs right into the sink.

Review from karran.com
Helpful?5GJA305RJATC680222521