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Diamond
Diamond ProGel Medium Gel Memory Foam 10" Mattress
1 review
Medium
$999 – $1,499$799 – $1,199
California king mattresses measure 72" x 84" - four inches narrower but four inches longer than a standard king, making them the ideal choice for tall sleepers over 6 feet. See our mattress size guide for a detailed comparison. Shop our full selection of cal king mattresses from Tempur-Pedic, Stearns & Foster, Diamond, Sealy, Chattam & Wells, and more.
Available in memory foam, hybrid, innerspring, and latex styles across all comfort levels. Every California king mattress purchase includes free white glove delivery and setup, a 120-night comfort trial, and flexible 0% APR financing options.
King-size mattresses (76" × 80") give two adults the most sleeping surface of any standard size. California King Mattresses on this page are stocked across every material, firmness, and budget tier. Free white-glove delivery in Los Angeles on orders over $499.
Yes. Every model on this page is on the floor at one of our 5 LA showrooms — Koreatown, West LA, La Brea, Studio City, and Glendale. No appointment needed. Lie down on it for as long as you want.
Free white-glove delivery on orders over $499 anywhere in Los Angeles. Same-day if you order before 4 PM, otherwise next-day. We set up the new mattress, haul away your old one, and recycle it.
We back every purchase with a 120-night Love Your Bed Guarantee. Sleep on it for at least 30 nights to let your body adjust, then if it’s not the right fit, exchange it for any other mattress — we credit the full original price.
Yes. We offer 0% APR financing through Synchrony and Acima on approved credit. Terms vary by purchase amount and partner — apply in 60 seconds at checkout or in any showroom.
Take our 2-minute sleep quiz at /sleep-quiz — we match firmness to your sleep position, body weight, and any pain points. You can also call any showroom at (213) 984-4654 and talk to a real person.
Twin, Twin XL, Full, Queen, King, California King, Split King, and Split California King across every brand we stock. Sizing details and room-fit recommendations are at /pages/mattress-sizes.
