BEST-IN-CLASS COOLING

ICEFLEX Technology

Cooling technology for temperature regulation for 12+ hours of the ultimate in cooling comfort.

LUX QUILTED HYBRID

  • Luxurious quilted euro top
  • CoolTouch Ultra Cool Cover for a breathable, cooling sleep surface
  • Ice Flex Cooling Bands to regulate temperature
  • Graphene Sparkle memory foam for additional cooling and soothing pressure relief
  • 9-Series Wrapped Coil System for targeted support and motion isolation
  • Foam Encasement for extra edge support
  • Available in Firm, Medium, and Plush comfort levels
  • Backed by a 20-Year Warranty

Supportive by design. Cooling by innovation

The most luxurious and upgraded design, featuring a hypersoft quilt foam Euro topper for added cushioning, pressure relief, and responsive surface feel. This bed also provides superior cooling benefits with its innovative Ice Flex Cooling Bands that provide over 12 hours of advanced temperature regulation. Premium foam layers and Coil Support System with Microcoils (Plush model only) provide the perfect balance of support and cushioning. This mattress is great for sleepers who enjoy a soft, luxury feel and added comfort layers but want the underlyng support of a firmer core.

Black Diamond Collection

The Black Diamond Mattress by Diamond Mattress is a high-end sleep solution designed for those who want advanced cooling, luxury comfort, and lasting support. As part of Diamond's premium collection, it features cutting-edge materials like IceFlex™ cooling bands, graphene- and charcoal-infused foams, and temperature-regulating fabrics to help reduce surface temperature and keep sleepers cool throughout the night.

The Black Diamond offers multiple firmness options and zoned support to ensure spinal alignment and pressure relief.

Made in the USA with CertiPUR-US® certified foams, this mattress combines comfort and durability with a sophisticated design. It's ideal for hot sleepers, couples, and anyone looking for a mattress that blends innovative technology with  craftsmanship.

SAFEGAURDING YOUR FAMILY

CERTIFICATIONS

WHY DIAMOND MATTRESS

Diamond is a family-owned business with nearly 80 years of experience, and have been dedicated to crafting high-quality mattresses since 1946. While others focus on advertising, Diamond prioritizes superior comfort, personalized support, and long-lasting durability. Their mattresses feature more consistent pocket coils, 25% denser foams, and in-house made covers for a perfect fit, all backed by a 20-year warranty—twice the industry standard. With a commitment to precision and quality, Diamond Mattress exceeds industry norms to ensure optimal sleep for every customer.

MATTRESS SIZE GUIDE

Find the correct mattress size to fit your needs.