A Gray Quartz Undermount Sink for Countertops That Mean Business

This Karran single-bowl undermount sink is built from quartz composite and finished in Gray, designed to mount beneath granite, quartz, or solid surface countertops in a kitchen that pairs a neutral, stone-toned palette with serious daily use.

Key Features

• Single-bowl quartz composite construction in a Gray finish that reads as a natural extension of stone countertops.
• Undermount installation into granite, quartz, or solid surface countertops for a clean, rimless counter surface.
• 9-inch bowl depth that handles large pots, sheet pans, and full-size cutting boards without crowding.
• Minimum 27-inch cabinet width required for proper fit and support.
• 3-1/2 inch drain opening compatible with standard basket strainers and disposal flanges.
• cUPC and IAPMO certified for compliance with North American plumbing standards.

One Deep Bowl, Uncluttered Counter

A single bowl this deep gives you one uninterrupted workspace. There is no divider cutting off large items mid-wash, so a stockpot, a roasting pan, or a full sheet tray slides in without negotiating corners. The undermount profile keeps the countertop surface running flat to the bowl edge, which makes wiping debris straight from the counter into the sink a one-motion task rather than a two-step maneuver around a rim.

Gray Quartz That Holds Up to a Working Kitchen

The Gray finish is a warm stone-gray tone that sits naturally against both cool-toned countertops like white quartz and warmer ones like concrete or greige solid surface. Because the color runs through the quartz composite body rather than sitting as a surface coating, it does not chip or peel at the drain edges or scratch lines over time the way a coated finish can. The quartz composite material is non-porous, which keeps grease and food residue from penetrating the surface, and it handles the temperature swings of kitchen work without issue.

Where This Sink Fits the Build

This is the right sink for a kitchen remodel or new build where the countertop is granite, quartz, or solid surface and the designer wants a single large bowl that disappears into the surface rather than sitting on top of it. The Gray is particularly well suited to transitional and modern kitchens where hardware and fixtures lean toward dark or neutral tones. Cabinet shops and contractors specifying a kitchen package will want to confirm the base cabinet is at least 27 inches wide and that the countertop fabricator is handling the undermount clip and seal work at installation. This is not a retrofit into an existing countertop cutout built for a different sink.

Common Questions

A Single-Bowl Quartz Sink That Works as Hard as the Kitchen Around It

Choose this Karran Gray quartz sink for a clean undermount install that fits a serious kitchen build and holds up to the daily volume that a single, deep bowl is designed to carry.