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This Karran Sternhagen Spark is a single-bowl quartz vessel sink designed for above-counter installation in any bathroom vanity. It arrives in a striking matte black finish and carries ADA compliance for applications where accessible design is a requirement.
A vessel sink is a visual anchor in a bathroom, and a black quartz vessel sink pulls that role even harder. This one sits above the counter surface, which means the full bowl profile is visible and intentional. That makes the finish choice central to the design, and Black is the choice when the vanity is meant to contrast sharply against a light stone, white laminate, or pale tile countertop. It also pairs naturally into darker palettes built around charcoal, slate, or matte black fixtures.
The above-counter mount works with any countertop material, so the design does not require a specific substrate, and the 23-5/8 by 17-3/4 inch footprint fits into a standard-depth vanity as long as the cabinet runs at least 25 inches wide.
The sink is built from quartz composite, an engineered material that combines crushed quartz with resin binders to produce a dense, consistent body. The Black finish runs through the material rather than sitting on the surface as a coating, so chips or wear at the bowl edge read as the same color. The shallow 2-3/4 inch interior bowl depth suits the proportions of a vessel form, keeping the overall profile low enough to maintain comfortable use height when the sink is set on a standard countertop.
Vessel sinks in a high-contrast black finish tend to appear in two distinct design contexts: modern or industrial bathrooms where drama is the point, and accessible bathrooms where vanity height is engineered deliberately and the ADA compliance of the fixture matters. This sink spans both. Its ADA compliance makes it a viable choice when the vanity must meet accessibility requirements without surrendering the design intent. Designers specifying for hospitality, multifamily, or residential projects with accessibility scope will find the compliance confirmation useful alongside the finish flexibility the color provides.
No. It is designed for above-counter installation and is compatible with all countertop materials, including quartz, solid surface, laminate, tile, and natural stone.
ADA compliance is confirmed by the manufacturer for this sink. For a vessel sink, accessible installation depends on the total finished height of the countertop plus the sink. Work with your installer or designer to confirm that the complete assembly meets the required reach and clearance dimensions for your application.
The drain opening is 3-1/2 inches in diameter. A compatible drain or vessel drain assembly is required and is not included with the sink.
The sink requires a minimum cabinet width of 25 inches. The overall sink dimensions are 23-5/8 inches side to side and 17-3/4 inches front to back.
Choose this sink when the vanity calls for a bold black vessel profile with accessible credentials and the flexibility to set onto any countertop material.
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