Matte Black Finish and a Square Footprint That Fits Tight Spaces

This Karran quartz undermount sink is a square single-bowl bar and prep sink finished in black, designed to mount beneath quartz, granite, or solid surface countertops in cabinets 21 inches wide or larger.

Key Features

• Black quartz composite construction with a matte surface that holds its color through the full depth of the material.
• Square single-bowl design measuring 16-5/8 inches on each side for a compact, equal-dimension footprint.
• Undermount installation into quartz, granite, or solid surface countertops.
• 14-inch square bowl interior with an 8-1/4-inch depth for a sink that handles more volume than its footprint suggests.
• 3-1/2-inch drain opening and a minimum cabinet width requirement of 21 inches.
• cUPC and IAPMO certified for plumbing code compliance.

A Bar and Prep Sink That Works in Dark-Palette Kitchens

A matte black sink fits naturally into kitchens built around darker countertops, black or dark-stained cabinetry, or contrast-driven design where a white or stainless bowl would interrupt the palette. This sink makes the color choice easy: the quartz composite is black through and through, so the surface, the walls, and the bowl floor all read the same. It serves as a secondary prep station, a bar sink in an island, or a dedicated rinse bowl alongside a larger primary sink.

Quartz Composite Built for Daily Use

The sink body is quartz composite, an engineered material made from natural quartz bound with acrylic resin. The matte black surface is non-porous, which keeps liquids, food residue, and staining agents from penetrating the bowl. The composite construction also handles heat and sudden temperature swings without cracking, making it a practical choice for a prep station where pots and hot water move in and out throughout the day. The cUPC and IAPMO certifications confirm it meets the plumbing code requirements you will need for permitted installs.

Where This Sink Fits Best

Its square 16-5/8-inch outline makes this sink a natural fit for island prep stations, wet bars, and butler's pantry setups where a full-sized kitchen sink would be too large and a bar sink with less depth would limit what it can handle. The 8-1/4-inch bowl depth means it fits a pasta pot or a stack of prep bowls without fighting for clearance. Because it is undermount only and requires a new countertop rather than an existing cutout, it is best planned into a new build or a remodel where the countertop is being fabricated to spec. Designers specifying dark kitchens will find the black finish coordinates cleanly with matte black faucets and hardware without needing a finish match across different materials.

Common Questions

A Black Undermount Bowl Ready for a Dark-Palette Build

For a prep or bar sink that holds its finish, fits a tight footprint, and coordinates with a dark countertop and hardware palette, this Karran quartz sink delivers a clean, code-compliant undermount install.