---
product_id: 551284716
title: "HARDSTONE Premium Quartz Kitchen Sink 21x18x8.5 Inches | Smoky Black Granite Single Bowl Composite Sink with Stainless Steel Waste Coupling & Flexible Drain Pipe | Dual Mount | 10 Year Warranty"
brand: "hardstone"
price: "R12908"
currency: ZAR
in_stock: true
category: "Hardstone"
url: https://www.desertcart.co.za/products/551284716-hardstone-premium-quartz-kitchen-sink-21x18x8-5-inches-smoky-black
store_origin: ZA
region: South Africa
---

# Spacious 21x18x8.5 inch deep basin Dual mount with stainless steel waste coupling Smoky black matte quartz finish HARDSTONE Premium Quartz Kitchen Sink 21x18x8.5 Inches | Smoky Black Granite Single Bowl Composite Sink with Stainless Steel Waste Coupling & Flexible Drain Pipe | Dual Mount | 10 Year Warranty

**Brand:** hardstone
**Price:** R12908
**Availability:** ✅ In Stock

## Summary

> 🖤 Transform your kitchen into a statement of style and strength with HARDSTONE’s premium quartz sink!

## Quick Answers

- **What is this?** HARDSTONE Premium Quartz Kitchen Sink 21x18x8.5 Inches | Smoky Black Granite Single Bowl Composite Sink with Stainless Steel Waste Coupling & Flexible Drain Pipe | Dual Mount | 10 Year Warranty by hardstone
- **How much does it cost?** R12908 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/551284716-hardstone-premium-quartz-kitchen-sink-21x18x8-5-inches-smoky-black)

## Best For

- hardstone enthusiasts

## Why This Product

- Trusted hardstone brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Generous Deep Basin Dimensions:** Accommodates oversized cookware effortlessly with a roomy 21x18x8.5 inch single bowl design.
- • **Bold Smoky Black Quartz Aesthetic:** Elevate your kitchen with a sleek, ultra-modern matte black granite composite sink that commands attention.
- • **Versatile Dual Mount Installation:** Choose between flush or countertop mounting for seamless integration tailored to your kitchen style.
- • **Peace of Mind with 10-Year Warranty:** Enjoy a decade of protection against leaks, chips, warping, and discoloration—quality you can trust.
- • **Heavy-Duty Granite Composite Durability:** Built to resist impact, fire, and noise—experience a sink that’s as tough as it is quiet.

## Overview

The HARDSTONE Premium Quartz Kitchen Sink features a spacious 21x18x8.5 inch single bowl made from durable smoky black granite composite. It offers versatile dual mounting options, includes a stainless steel waste coupling and flexible drain pipe, and comes backed by a 10-year warranty covering manufacturing defects, ensuring long-lasting performance and modern kitchen elegance.

## Description

HARDSTONE Premium Quartz Kitchen Sink 21x18x8.5 Inches | Smoky Black Granite Single Bowl Composite Sink with Stainless Steel Waste Coupling & Flexible Drain Pipe | Dual Mount | 10 Year Warranty : desertcart.in: Home Improvement

## Features

- 𝐏𝐫𝐞𝐦𝐢𝐮𝐦 𝐒𝐦𝐨𝐤𝐲 𝐁𝐥𝐚𝐜𝐤 𝐀𝐞𝐬𝐭𝐡𝐞𝐭𝐢𝐜𝐬: This variant delivers a rich, matte black finish accented with micro-quartz particles. It creates a bold, ultra-modern contrast against lighter countertops and sleek metallic faucets.
- 𝐏𝐫𝐞𝐜𝐢𝐬𝐞 𝐃𝐞𝐞𝐩-𝐁𝐚𝐬𝐢𝐧 𝐃𝐢𝐦𝐞𝐧𝐬𝐢𝐨𝐧𝐬: The sink features a generous total length of 53 cm, a total width of 46 cm, and a deep 22 cm basin (approx. 21x18x8.5 inches). The spacious internal bowl measures 47 cm by 40 cm, leaving plenty of room for oversized cookware.
- 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧 𝐊𝐢𝐭 & 𝐃𝐮𝐚𝐥 𝐌𝐨𝐮𝐧𝐭𝐢𝐧𝐠: Built for seamless kitchen integration, the unit can be configured as an over-the-counter Counter Top Mount or a seamless Flush Mount. The complete setup package includes a premium square stainless steel waste coupling strainer and a flexible grey waste pipe.
- 𝐇𝐞𝐚𝐯𝐲-𝐃𝐮𝐭𝐲 𝐑𝐞𝐬𝐢𝐬𝐭𝐚𝐧𝐜𝐞 𝐏𝐚𝐜𝐤:Built from an exceptionally tough granite composite material, this sink features high durability against impact and a robust, fireproof composition. The thick composite structure also functions as a natural soundproof barrier to deaden water echoes and clattering dishes.
- 𝟏𝟎-𝐘𝐞𝐚𝐫 𝐖𝐚𝐫𝐫𝐚𝐧𝐭𝐲: Covered against leakage, manufacturing defects, cracking, chipping, warping, discoloration, and fading; if any covered defect arises during the warranty period, Hardstone will repair or replace the product at its sole discretion as per the company's warranty policy.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CFQFGBP8 |
| Best Sellers Rank | #3,554 in Home Improvement ( See Top 100 in Home Improvement ) #8 in Single Bowl |
| Brand Name | HARDSTONE |
| Colour | BLACK |
| Country of Publication | India |
| Customer Reviews | 4.2 4.2 out of 5 stars (208) |
| Drain Type | Pop-Up |
| Included Components | 1- Drain Coupling, 1- Drain Pipe, 1- Kitchen Sink, |
| Installation Type | Flush-mount, Under-mount and Top-mount |
| Item Dimensions D x W x H | 46D x 53W x 22H Centimeters |
| Item Type Name | Quartz Sink |
| Item Weight | 11 Kilograms |
| Manufacturer | HARDSTONE KITCHEN SINK |
| Manufacturer Warranty Description | 10 YEARS, 10 Year Warranty Covered against leakage, manufacturing defects, cracking, chipping, warping, discoloration, and fading.If any covered defect arises during the warranty period, Hardstone will repair or replace the product at its sole discretion, as per the company’s warranty policy. |
| Material Type | Quartz |
| Model Number | 21x18_SMOKY_LACK |
| Number of Items | 1 |
| Number of Packs | 1 |
| Packer Contact Information | Hardstone Contact: +91 99133 33900 |
| Product Care Instructions | Wipe with Dry Cloth |
| Product Finish Type | Matt |
| Shape | Rectangular |
| Size | 21x18 |
| Style | casual |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** HARDSTONE
- **Colour:** BLACK
- **Material:** Quartz
- **Product Dimensions:** 46D x 53W x 22H Centimeters
- **Size:** 21x18

## Images

![HARDSTONE Premium Quartz Kitchen Sink 21x18x8.5 Inches | Smoky Black Granite Single Bowl Composite Sink with Stainless Steel Waste Coupling & Flexible Drain Pipe | Dual Mount | 10 Year Warranty - Image 1](https://m.media-amazon.com/images/I/817rU2yP-0L.jpg)
![HARDSTONE Premium Quartz Kitchen Sink 21x18x8.5 Inches | Smoky Black Granite Single Bowl Composite Sink with Stainless Steel Waste Coupling & Flexible Drain Pipe | Dual Mount | 10 Year Warranty - Image 2](https://m.media-amazon.com/images/I/41yoXDMto1L.jpg)
![HARDSTONE Premium Quartz Kitchen Sink 21x18x8.5 Inches | Smoky Black Granite Single Bowl Composite Sink with Stainless Steel Waste Coupling & Flexible Drain Pipe | Dual Mount | 10 Year Warranty - Image 3](https://m.media-amazon.com/images/I/51uztaDnGSL.jpg)
![HARDSTONE Premium Quartz Kitchen Sink 21x18x8.5 Inches | Smoky Black Granite Single Bowl Composite Sink with Stainless Steel Waste Coupling & Flexible Drain Pipe | Dual Mount | 10 Year Warranty - Image 4](https://m.media-amazon.com/images/I/412uja3dCqL.jpg)
![HARDSTONE Premium Quartz Kitchen Sink 21x18x8.5 Inches | Smoky Black Granite Single Bowl Composite Sink with Stainless Steel Waste Coupling & Flexible Drain Pipe | Dual Mount | 10 Year Warranty - Image 5](https://m.media-amazon.com/images/I/41HB0cP23yL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Frequently Bought Together

- Hardstone Quartz Kitchen Sink (18 x 21 x 8.5 In, 10mm Thickness) – Mett Finish Single Bowl Sink with Waste Coupling & PVC Pipe – Smooth Finish, Non-Fading, UV Protection, Scratch & Heat Resistant
- CROCODILE 304 GRADE 24"x18"x10" Kitchen Sink, Satin Finish
- ALTON GRC3780 Brass Wall Mixer with Provision for Over Head Shower and 190mm Long Bend Pipe (Chrome)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-11-10*