About

Black Diamond Stone, LLC

About

Based in Assonet, MA, Black Diamond Stone, LLC provides top-quality granite, marble, and quartz countertop products and installation services to the southeastern Massachusetts and Rhode Island area.

Year Established

2003

Products

Services

  • Countertop Products and Services
  • Fireplace Surrounds
  • Sink Products and Services
  • Visualizers

Specialties

  • Kitchen Countertops
  • Bathroom Countertops
  • Kitchen Sinks
  • Bathroom Sinks
  • Bar Sinks
  • Custom Sinks
  • Fireplace Surrounds
  • Countertop Edges

Business Hours

Mon - Fri
-
Sat - Sun
Closed
Saturdays by appointment only

Holiday Hours

  • Thursday, December 25, 2025 : Closed
  • Thursday, January 1, 2026 : Closed
  • Monday, May 25, 2026 : Closed
  • Saturday, July 4, 2026 : Closed
  • Monday, September 7, 2026 : Closed
  • Thursday, November 26, 2026 : Closed
  • Friday, November 27, 2026 : Closed

Associations

Brands

Pickup and Delivery

Payment Options

  • Cash
  • Check

Languages

  • English
  • Portuguese
  • Spanish

Good to Know

Offerings

  • Installation service
  • Service guarantee
  • Assembly service

Payments

  • Checks
  • Debit cards

Service options

  • Delivery
  • In-store shopping
  • Onsite services

From the business

  • Small business

Accessibility

  • Wheelchair accessible entrance
  • Wheelchair accessible parking lot