A Black Quartz Undermount Sink Built for Dark and Contrast Kitchens

This Karran single-bowl undermount kitchen sink is made from quartz composite in a Black finish, designed to mount beneath granite, quartz, or solid surface countertops in a 36-inch or wider cabinet.

Key Features

• Black quartz composite construction that integrates with dark countertops or creates sharp contrast against lighter surfaces.
• Single large bowl with a 31-inch interior length and 9-inch depth for handling oversized cookware and full sheet pans.
• Undermount installation into granite, quartz, and solid surface countertops, keeping the counter edge uninterrupted.
• Requires a minimum 36-inch cabinet to accommodate the 33-1/2-inch overall width.
• cUPC and IAPMO certified for plumbing compliance across applicable codes.
• 3-1/2-inch drain opening sized for standard kitchen strainers and disposal flanges.

One Unobstructed Basin for a Full Kitchen Workload

A single bowl this size removes the divider that splits a double-bowl sink and leaves one continuous workspace. That 31-inch interior length means a stockpot, a roasting pan, or a sheet tray drops straight in without tilting or balancing. The 9-inch depth keeps water in the basin and gives enough clearance to wash tall items without splashing the surrounding counter. For a kitchen where the sink is working hard every day, the single-bowl layout trades configuration flexibility for raw capacity.

Black Quartz Composite: Material and Finish

The sink body is quartz composite, a dense material that gives this sink a consistent Black color through the body, not just a surface coat. The matte finish absorbs light rather than reflecting it, which suits kitchens built around charcoal cabinetry, black hardware, or dark stone countertops. It also reads cleanly against white or concrete-toned surfaces where high contrast is the design goal. The undermount profile hides the sink rim below the counter, so the countertop material runs unbroken to the bowl edge, a detail that matters especially in a dark-toned kitchen where seams and transitions are more visible.

Where This Sink Fits

This sink is for a new countertop installation or a full remodel where the countertop is being replaced. It mounts under granite, quartz, or solid surface, and it needs a 36-inch base cabinet to fit properly. It is not designed for drop-in installation and is not suited to an existing countertop cutout sized for a different sink. Cabinet shops and designers specifying a dark kitchen scheme will find the Black finish works with most matte black and dark-toned hardware families. Contractors building out a kitchen island or a main sink run with a 36-inch base will have the right footprint for this bowl.

Common Questions

A Single-Bowl Black Sink That Works as Hard as It Looks

Choose this Karran sink when the design calls for a Black undermount bowl with the capacity to handle a full kitchen workload beneath a granite, quartz, or solid surface counter.