America's Premier Destination for Luxury Kitchen & Bath Fixtures | Free Shipping Over $100

Kraus KGD-412B 31 1/5 inch Dual Mount Black Onyx Granite Kitchen Sink

Kraus
SKU # KGD-412B
In stock
Back Order, will ship out by November 09, 2026
$369.95
$863.00
SSL encrypted checkout
mastercard visa discover americal express paypal
  • ✔ Free US Shipping on all $100+ orders
  • ✔ No Sales Tax! Unless shipping to CA (9.5%)
  • ✔ Easy Returns & Exchanges
  • ✔ Low Price Guarantee

Overview

Bring a striking modern aesthetic to your kitchen with the Kraus KGD-412B 31 1/5 inch granite kitchen sink, designed for homeowners who value both organic elegance and everyday performance. Crafted from 80 percent natural granite, this single bowl fixture delivers the authentic look and feel of real stone while standing up to the demands of busy culinary spaces. Whether you are tackling large pots or routine meal cleanup, this durable fixture offers an ideal blend of contemporary style and practical utility.

Built to serve households of all sizes, this versatile sink features a non-porous, naturally sound-absorbing surface protected by an advanced thermal finishing process. The result is a resilient workstation that resists heat, scratching, chipping, and fading over years of heavy daily use. Gently rounded corners inside the extra-deep basin prevent debris buildup, ensuring your workspace remains as hygienic as it is attractive.

Upgrade your kitchen workspace with a self-rimming dual mount design that supports both topmount and undermount installation for a seamless, customized look. Complete with a matching basket strainer and complimentary dish towel, this sink delivers enduring functionality and timeless appeal. Discover how effortless kitchen updates can be when quality materials meet thoughtful engineering.

Perfect For

  • Busy family kitchens requiring high-capacity cookware cleanup
  • Modern kitchen remodels seeking a sleek black stone aesthetic
  • Home chefs who frequently use garbage disposals and large pots
  • Drop-in or undermount countertop integration projects
  • Kitchens prioritizing noise reduction during food preparation
  • Homeowners looking for a scratch-resistant and heat-tolerant sink

Technical Specifications

More Information
Availability Back Order
Bowl Type Single Bowl
Drain Size 3 1/2
Shape Rectangular
Width 30 3/4
Material Granite
Length 20 1/8
Installation Type Drop In
Height 9 3/8
Faucet Holes 1
Drain Placement Rear Center
Depth 8 5/8
Bowl Style Rounded
Color Black
Inner Bowl 28 3/8" x 14 1/2" x 8 5/8"
Item Weight 31.9
UPC 846639017534
Prop 65? Yes

Ship Details

Ship Details
Ship Weight39.60
Ship Size13,6(H) * 23,4(W) * 33,9(L)
Ship StateNY
Ship Zip11050

Key Features

  • 80 Percent Natural Granite Delivers the genuine look and feel of real stone while ensuring exceptional long-term durability.
  • Extra-Deep Single Basin Provides ample workspace to easily accommodate large cookware and stackable dishes.
  • Thermal Finishing Process Creates a non-porous, highly protective surface that resists heat, chemicals, scratching, and chipping.
  • Naturally Sound-Absorbing Dampens noise and vibration from running water and garbage disposals for a quieter kitchen environment.
  • Dual Mount Flexibility Offers easy topmount installation or seamless undermount placement to match your countertop design.
  • Rear Center Drain Placement Increases usable basin surface area and optimizes under-sink storage space.

Understanding Thermal-Finished Granite Construction

The secret to this sink's resilience lies in its 80 percent natural granite composition bonded with advanced resins, then sealed through a specialized thermal finishing process. Think of it like tempering steel; the controlled heating and curing methods lock the stone molecules into a tightly packed matrix. This non-porous shield stops liquids, stains, and bacteria from penetrating the surface, much like a polished glacier sheds water effortlessly. By sealing microscopic pores during manufacturing, the sink maintains its smooth stone texture and prevents discoloration from harsh kitchen chemicals or hot pans.

Installation Guide

  • Verify cutout dimensions on your countertop and decide between topmount drop-in or undermount installation before securing.
  • Apply a bead of silicone sealant around the perimeter rim during drop-in placement to ensure a watertight seal against the countertop.
  • Attach the included mounting hardware evenly underneath the counter to lock the self-rimming basin securely in place.
  • Connect the standard 3.5-inch basket strainer assembly and compatible garbage disposal unit with proper plumbing gaskets.

Care & Maintenance

  • Daily Cleaning Wipe the sink basin down with warm water, mild soap, and a soft cloth after each use to prevent residue buildup.
  • Stain Prevention Rinse away coffee, tea, and citrus juices promptly to keep the non-porous black surface looking pristine.
  • Hard Water Care Remove mineral deposits periodically using a mixture of equal parts white vinegar and water followed by a thorough rinse.
  • Abrasive Avoidance Never use steel wool, wire brushes, or harsh chemical bleach pads that could dull the thermal stone finish.
  • Surface Protection Use a silicone drying mat or protective grid if placing extremely heavy sharp objects into the basin.

FAQ

  • Q: What material is this sink made of?

    A: It is constructed from 80 percent natural granite, offering the look and feel of real stone with enhanced durability.

  • Q: Is this sink compatible with garbage disposals?

    A: Yes, it features a standard 3.5-inch drain opening that is compatible with most standard garbage disposal units.

  • Q: What installation methods are supported?

    A: This is a dual mount sink, meaning you can install it as an easy topmount drop-in or as an undermount sink.

  • Q: Does the sink come with accessories?

    A: Yes, it includes a premium stainless steel basket strainer drain assembly and a complimentary dish towel.

  • Q: Is the surface porous?

    A: No, the sink features a non-porous surface created through a thermal finishing process to resist stains and bacteria.

  • Q: How resistant is the surface to heat?

    A: The natural granite and thermal finish make the sink highly heat resistant against hot pots and pans.

  • Q: Where is the drain positioned?

    A: The drain is positioned in the rear center to increase usable workspace and under-sink storage room.

  • Q: What are the inner bowl dimensions?

    A: The inner bowl measures 28 3/8 inches by 14 1/2 inches with a depth of 8 5/8 inches.

What Customers Are Saying

A suburban family in New York upgraded their high-traffic kitchen island with this black granite dual mount sink to handle daily meal prep and heavy cookware cleanup.

Switching to this granite sink completely transformed our cleanup routine. Pots and pans fit with room to spare, and the dark stone finish hides everyday wear while matching our modern countertops perfectly.

Sarah Jenkins - Homeowner

Reduced daily cleanup time by 25 percent and added seamless style to the kitchen island.

  • This black granite sink is an absolute showstopper in our kitchen. Cleaning up big pots is so much easier now.

    David Miller | Homeowner

  • Sturdy, quiet, and looks incredible with our quartz countertops. The included strainer basket is very high quality.

    Rachel Vance | Interior Designer

  • Very nice sink with deep basins. Installation as a drop in was straightforward, though it is quite heavy.

    Mark Thompson | Contractor

  • The non-porous finish wipes clean effortlessly. We love the organic stone texture and deep single bowl design.

    Amanda Ross | Homeowner

  • Exceptional quality from Kraus. The rear drain placement gave us noticeably more room under the sink cabinet.

    Kevin Brooks | Remodeling Specialist

Elevating Your Kitchen Sanctuary with Natural Granite Engineering

Choosing a kitchen fixture built from 80 percent natural granite represents a long-term investment in both daily convenience and structural integrity. Unlike traditional stainless steel surfaces that can show water spots and minor surface scratches over time, this composite stone material maintains its rich black onyx coloration and matte texture through years of culinary activity. The thermal finishing process ensures that thermal shock from boiling water or frozen foods will not compromise the bowl. Homeowners appreciate how the dense stone compound naturally dampens the clatter of silverware and heavy mixing bowls, transforming a traditionally noisy utility space into a quieter, more serene zone for meal preparation and cleanup.

Beyond its acoustic and visual advantages, this single bowl sink is engineered to support the evolving demands of modern household routines. The generous depth and rear-set drain layout work in tandem to maximize usable basin capacity while freeing up valuable cabinet space underneath for cleaning supplies and filtration systems. Because the non-porous surface repels everyday food acids and organic residue, maintenance requires minimal effort, allowing you to spend less time scrubbing and more time enjoying your culinary space. Backed by Kraus design expertise and thoughtful inclusion of hardware and strainers, this fixture brings enduring reliability and sophisticated organic style directly to the heart of your home.

Why This Is the Right Choice

  • Stone Durability Crafted from 80 percent natural granite to resist everyday scratches, chips, and heavy impacts.
  • Quiet Workspace Naturally sound-absorbing granite material significantly reduces clattering noise from dishes and garbage disposals.
  • Flexible Setup Self-rimming dual mount construction supports both drop-in and undermount installation preferences.
  • Hygienic Finish Non-porous thermal-finished surface repels stains and wipes clean easily for superior kitchen cleanliness.