The KINGSMAN 19-inch drop-in sink and PROFLO 19-inch circular sink are the clearest matches for shoppers seeking a round bathroom sink. The KINGSMAN is best for a simple top-mount replacement, while PROFLO adds three faucet holes spaced for a 4-inch-center faucet. The other listed options are 19-inch or similarly sized undermount sinks, but their descriptions identify them as oval or do not specify a round shape, so check the dimensions and cutout requirements before choosing.
| Product | Shape and listed size | Installation or standout detail |
|---|---|---|
| KINGSMAN | Round, 19 inches | Drop-in / self-rimming |
| PROFLO Rockaway | Circular, 19 inches | Drop-in; three faucet holes |
| Signature Hardware Key Largo | 19 inches; shape not specified in listing name | Vitreous china undermount |
| MERCURY | Oval, 19 inches | Undermount; biscuit finish |
| Ruvati | Oval, 18 by 15 inches | Undermount; overflow |
KINGSMAN 19-Inch Round Drop-In Sink
This is the most direct match for a shopper looking for a 19-inch round bathroom sink. The listing describes a white vitreous ceramic basin designed for top-mount, self-rimming, or drop-in installation.
Best for: Buyers replacing a top-mount sink or selecting a round basin for a compatible vanity opening. Its stated 19-inch size and listed installation styles make it a straightforward option to compare.
Limitation: The provided product details do not specify faucet-hole configuration or full cutout dimensions. Confirm those measurements before purchase.
PROFLO Rockaway 19-Inch Circular Sink
The PROFLO Rockaway is a 19-inch circular vitreous china sink with drop-in installation. It comes pre-drilled with three faucet holes for faucets with 4-inch centers, a useful detail when matching sink and faucet layouts.
Best for: Buyers who want a round drop-in sink and need a listed three-hole faucet arrangement. Choose this if your faucet uses 4-inch centers and the vanity is set up for a drop-in basin.
Limitation: The three-hole layout is specific; it may not suit a single-hole faucet without confirming the faucet and installation requirements.
Signature Hardware Key Largo Undermount Sink
This listing identifies a 19-inch vitreous china undermount sink. Its shape is not specified in the provided product name, so it should be treated as an alternative rather than a confirmed round model.
Best for: Buyers whose priority is an undermount installation and a 19-inch vitreous china sink, especially when the countertop cutout can be verified against the exact product dimensions.
Limitation: The listing details supplied here do not confirm the basin shape, dimensions beyond the 19-inch designation, or overflow configuration.
MERCURY 19-Inch Biscuit Undermount Sink
The MERCURY sink is a 19-inch oval undermount model with a 17.5-by-14.25-inch inner bowl. The biscuit finish offers an alternative to white for buyers coordinating with a warmer-toned bathroom palette.
Best for: Shoppers open to an oval basin who want an undermount sink and a listed inner-bowl measurement.
Limitation: This is oval, not round. Do not select it as a direct replacement for a round cutout unless the countertop plan accommodates its shape.
Ruvati 18-by-15-Inch Oval Undermount Sink
The Ruvati is a white oval undermount sink measuring 18 by 15 inches, with an overflow. Its listed overall dimensions are slightly smaller than a 19-inch model, making it a possible comparison for buyers who can use a compact oval basin.
Best for: Buyers who prefer an undermount installation and want the listed overflow feature, while remaining flexible about size and shape.
Limitation: It is oval and 18 by 15 inches, not a 19-inch round sink. Check the countertop opening before considering it as a substitute.
Buying Guide: How to Choose a 19-Inch Round Bathroom Sink
Should you choose drop-in or undermount?
A drop-in or self-rimming sink rests at the countertop opening, while an undermount sink is installed beneath the counter. Match the sink style to your existing vanity and countertop. The KINGSMAN and PROFLO listings specify drop-in installation; the Ruvati, MERCURY, and Signature Hardware listings specify undermount installation.
What dimensions should you measure?
Do not rely on the nominal size alone. Measure the existing countertop opening, available vanity space, and the sink’s full outside dimensions. For undermount models, verify the required cutout with the product specifications. The MERCURY listing gives an inner-bowl size, while the Ruvati listing gives its overall 18-by-15-inch size.
How do faucet holes affect the choice?
Check whether the faucet mounts to the sink or countertop and compare the hole count and spacing. PROFLO is listed with three holes for a faucet with 4-inch centers. The supplied details do not state faucet-hole configurations for the other models, so confirm before ordering.
Does the color and material matter?
Consider how the sink finish coordinates with the bathroom and existing fixtures. The KINGSMAN and PROFLO are listed as white, while MERCURY is biscuit. Vitreous china or vitreous ceramic is identified for several models; confirm the exact material and finish on the product listing if those details are essential.
Frequently Asked Questions
Which listed sink is explicitly round and 19 inches?
The KINGSMAN is described as a 19-inch round sink, and the PROFLO Rockaway is described as a 19-inch circular sink.
Which 19-inch round sink has three faucet holes?
The PROFLO Rockaway has three pre-drilled faucet holes for faucets with 4-inch centers.
Are all the listed sinks round?
No. MERCURY and Ruvati are explicitly oval. Signature Hardware is described as 19-inch and undermount, but the supplied product name does not specify its shape.
Can an oval sink replace a round sink?
Only if the countertop opening and installation requirements are compatible. Compare the sink’s dimensions and shape with the existing cutout before choosing.
What should I verify before buying?
Confirm the sink’s shape, outside dimensions, countertop cutout, mounting style, faucet-hole layout, and overflow details against your bathroom setup.