---
product_id: 790187070
title: "HARDSTONE Quartz Kitchen sink Single Bowl (21 x 18 x 8.5 inches) Kitchen Sink | Quartz Single Bowl Kitchen Sink | Granite Finish | Kitchen Sink/Sink Coupling/Waste pipe (RUSTIC WHITE)"
brand: "hardstone"
price: "¥56548"
currency: JPY
in_stock: true
reviews_count: 2
category: "Hardstone"
url: https://www.desertcart.jp/products/790187070-hardstone-quartz-kitchen-sink-single-bowl-21-x-18-x
store_origin: JP
region: Japan
---

# Non-porous, easy-clean surface Deep 22cm basin capacity Dual-mount versatile installation HARDSTONE Quartz Kitchen sink Single Bowl (21 x 18 x 8.5 inches) Kitchen Sink | Quartz Single Bowl Kitchen Sink | Granite Finish | Kitchen Sink/Sink Coupling/Waste pipe (RUSTIC WHITE)

**Brand:** hardstone
**Price:** ¥56548
**Availability:** ✅ In Stock

## Summary

> ✨ Upgrade your kitchen game with HARDSTONE’s sleek, durable quartz sink!

## Quick Answers

- **What is this?** HARDSTONE Quartz Kitchen sink Single Bowl (21 x 18 x 8.5 inches) Kitchen Sink | Quartz Single Bowl Kitchen Sink | Granite Finish | Kitchen Sink/Sink Coupling/Waste pipe (RUSTIC WHITE) by hardstone
- **How much does it cost?** ¥56548 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/790187070-hardstone-quartz-kitchen-sink-single-bowl-21-x-18-x)

## 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

- • **Spacious Deep Basin:** Generous 21x18x8.5 inch single bowl offers ample room for all your cookware and prep needs.
- • **Rustic White Granite Finish:** Elevate your kitchen with a timeless, subtly textured quartz surface that pops against any countertop.
- • **Complete Drainage Kit Included:** No extra shopping needed—premium stainless steel waste coupling and flexible drain pipe come ready to install.
- • **Effortless Dual-Mount Flexibility:** Seamlessly install as countertop or flush mount to match your kitchen’s vibe and layout.
- • **Hygienic & Stain-Resistant Surface:** Advanced non-porous quartz resists stains and wipes clean in seconds—keep your kitchen spotless with zero hassle.

## Overview

The HARDSTONE Quartz Kitchen Sink is a premium 21x18x8.5 inch single bowl crafted from durable quartz composite with a rustic white granite finish. Featuring a deep basin and versatile dual-mount installation, it combines style and functionality for modern kitchens. Its non-porous surface resists stains and simplifies cleaning, while the included stainless steel waste coupling and flexible drain pipe ensure hassle-free setup. Backed by a 10-year warranty, this sink is designed for lasting performance and timeless elegance.

## Description

Product description The HARDSTONE Premium Quartz Kitchen Sink is expertly crafted to bring durability, elegance, and functionality to modern kitchens. Made from premium quartz composite material, this 21 x 18 x 8.5-inch single bowl sink features a sophisticated Rustic White granite finish that adds a clean and contemporary look to any kitchen space.Designed for everyday convenience, the spacious single bowl offers ample room for washing utensils, cookware, dishes, fruits, and vegetables. Its robust quartz composite construction ensures excellent strength and long-lasting performance, making it ideal for both residential and commercial applications.The sink features a versatile dual-mount design, allowing installation as either a countertop mount or flush mount to suit different kitchen layouts and countertop styles. It comes complete with a stainless steel waste coupling and a flexible drain pipe for smooth water drainage and easy installation.Engineered to withstand the demands of daily kitchen use, the sink is resistant to scratches, stains, heat, and impact, helping maintain its premium appearance over time. The smooth, non-porous surface is easy to clean and promotes better hygiene by minimizing dirt and residue accumulation.The elegant Rustic White granite finish complements a wide range of kitchen interiors, from contemporary modular kitchens to classic home designs. Backed by a 10-Year Warranty, the HARDSTONE Premium Quartz Kitchen Sink offers dependable performance, lasting durability, and timeless style. Manufacturer Contact Information Hardstone

Review: Not stain resistant, - Stains don’t go, especially food stains. It’s looking old in one month use.
Review: Good quality, nice looking - Noise less , leak proof sink

## Features

- 𝐂𝐡𝐚𝐫𝐦𝐢𝐧𝐠 𝐑𝐮𝐬𝐭𝐢𝐜 𝐖𝐡𝐢𝐭𝐞 𝐀𝐞𝐬𝐭𝐡𝐞𝐭𝐢𝐜𝐬: Featuring a beautiful white surface subtley textured with fine granules, this sink delivers a classic rustic granite look. It creates a stunning, bright contrast against dark countertops or blends seamlessly into lighter kitchen decors.
- 𝐁𝐚𝐥𝐚𝐧𝐜𝐞𝐝 𝐃𝐞𝐞𝐩 𝐁𝐚𝐬𝐢𝐧 𝐰𝐢𝐭𝐡 𝐃𝐮𝐚𝐥 𝐌𝐨𝐮𝐧𝐭𝐢𝐧𝐠: Offering practical outer dimensions of 53 cm in length, 46 cm in width, and a deep 22 cm basin (approximately 21x18x8.5 inches), it provides generous washing space for everyday cookware. It can be installed as an over-the-counter Counter Top Mount or a completely seamless Flush Mount.
- 𝐒𝐭𝐚𝐢𝐧-𝐏𝐫𝐨𝐨𝐟 & 𝐇𝐚𝐬𝐬𝐥𝐞-𝐅𝐫𝐞𝐞 𝐌𝐚𝐢𝐧𝐭𝐞𝐧𝐚𝐧𝐜𝐞: Designed with advanced anti-osmosis and non-porous technology, deep-colored food spills, red sauces, and cooking oils cannot soak into the light-colored material. The hygienic surface wipes completely clean with a damp cloth and mild soapy water.
- 𝐂𝐨𝐦𝐩𝐥𝐞𝐭𝐞 𝐃𝐫𝐚𝐢𝐧𝐚𝐠𝐞 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭𝐬 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐝:There is no need to browse for matching hardware. The package comes completely equipped with a premium square stainless steel waste coupling strainer to trap food particles and a durable, highly flexible grey waste pipe for smooth drainage.
- 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 | B0CG6L67DP |
| Best Sellers Rank | #87,275 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #209 in Single Bowl Kitchen Sinks |
| Brand | HARDSTONE |
| Brand Name | HARDSTONE |
| Color | RUSTIC WHITE |
| Colour | RUSTIC WHITE |
| Customer Reviews | 3.6 out of 5 stars 5 Reviews |
| Drain Type | Pop-Up |
| Finish Types | Matt |
| 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 Contact Information | Hardstone |
| Manufacturer Part Number | 16x18_GRANITE_SINK |
| Material | Quartz |
| Material Type | Quartz |
| Model Number | 21x18_GRANITE_RUSTIC_WHITE |
| Number of Items | 1 |
| Packer Contact Information | Hardstone Contact: +91 99133 33900 |
| Product Care Instructions | Wipe with Dry Cloth |
| Product dimensions | 46D x 53W x 22H centimeters |
| Shape | Rectangular |
| Size | 21x18 |
| Style | SQURE BOWL |
| Unit Count | 1.00 Piece |

## Product Details

- **Brand:** HARDSTONE
- **Colour:** Rustic White
- **Material:** Quartz
- **Shape:** Rectangular
- **Style:** SQURE BOWL

## Images

![HARDSTONE Quartz Kitchen sink Single Bowl (21 x 18 x 8.5 inches) Kitchen Sink | Quartz Single Bowl Kitchen Sink | Granite Finish | Kitchen Sink/Sink Coupling/Waste pipe (RUSTIC WHITE) - Image 1](https://m.media-amazon.com/images/I/61Snwwn32tL.jpg)
![HARDSTONE Quartz Kitchen sink Single Bowl (21 x 18 x 8.5 inches) Kitchen Sink | Quartz Single Bowl Kitchen Sink | Granite Finish | Kitchen Sink/Sink Coupling/Waste pipe (RUSTIC WHITE) - Image 2](https://m.media-amazon.com/images/I/61hxCEkbJDL.jpg)
![HARDSTONE Quartz Kitchen sink Single Bowl (21 x 18 x 8.5 inches) Kitchen Sink | Quartz Single Bowl Kitchen Sink | Granite Finish | Kitchen Sink/Sink Coupling/Waste pipe (RUSTIC WHITE) - Image 3](https://m.media-amazon.com/images/I/61YjkFnn3ML.jpg)
![HARDSTONE Quartz Kitchen sink Single Bowl (21 x 18 x 8.5 inches) Kitchen Sink | Quartz Single Bowl Kitchen Sink | Granite Finish | Kitchen Sink/Sink Coupling/Waste pipe (RUSTIC WHITE) - Image 4](https://m.media-amazon.com/images/I/718VAbjdEhL.jpg)
![HARDSTONE Quartz Kitchen sink Single Bowl (21 x 18 x 8.5 inches) Kitchen Sink | Quartz Single Bowl Kitchen Sink | Granite Finish | Kitchen Sink/Sink Coupling/Waste pipe (RUSTIC WHITE) - Image 5](https://m.media-amazon.com/images/I/81JqN3KwdoL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐ Not stain resistant,
*by P***A on 4 December 2025*

Stains don’t go, especially food stains. It’s looking old in one month use.

### ⭐⭐⭐⭐⭐ Good quality, nice looking
*by K***E on 4 February 2025*

Noise less , leak proof sink

## Frequently Bought Together

- Hardstone Quartz Kitchen Sink (18 x 16 x 8.5 In, 10mm Thickness) – Granite Finish Single Bowl Sink with Waste Coupling & PVC Pipe – Smooth Finish, Non-Fading, UV Protection, Scratch & Heat Resistant
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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-21*