Diamond
Diamond Dreamstage Value Collection Topaz Firm Tight Top 7" Mattress
4.2(49)
$599$749King
King mattresses (76″ × 80″) give two adults the most sleeping surface of any standard size, stocked across every material, firmness, and budget. Browse King Mattresses below, try every model in person at LA Mattress Store before you buy. Free white-glove delivery on orders over $499 in Los Angeles, with our 120-night Love Your Bed Guarantee and 0% APR financing.
Choose a standard King when extra width is the priority. It gives two sleepers 38 inches of nominal width each, while keeping the same 80-inch length as Queen.
Check the space around the actual frame, especially both bedside routes and the end of the bed. The mattress is 16 inches wider than Queen, so a room that fits Queen comfortably may need a different furniture layout for King. Measure the delivery route too.
Include the bed frame, bedside routes, door swing and drawers. Then check the path from the delivery entrance to your bedroom.
Try the Room Fit PlannerMattress footprints shown at the same scale. Frame dimensions vary. See every mattress size.
These examples open the matching King option. Compare its current price and specifications, then use the collection filters to explore more brands, materials and comfort levels.
Compare the Studio Medium’s feel, turning comfort and edge with your other finalist. Check the selected size and current product details.
See King options & current priceCompare the ProAdapt Medium Hybrid while lying in your usual sleep positions. Use the selected-size options to compare the full purchase.
See King options & current priceConfirm the chosen configuration and included items. Other bed components and furnishings in product photos may be sold separately.
A one-piece King mattress and two Twin XL mattresses both form a nominal 76 × 80-inch surface, but their fitted sheets and adjustable-base arrangements differ. Confirm whether your order is King or Split King, and whether a foundation listing includes the full required set.
Confirm the foundation, platform or powered base is approved for the mattress and selected size.
Compare foundations →Check adjustable compatibility →Match the actual mattress width, length and height. Pocket depth matters as well as the size name.
Explore protectors →Explore sheets →Keep the mattress, support, bedding and services in one comparison before you choose.
Plan the total cost →Check the bed-frame fit →Find the details that matter to your setup. Our team can help with a specific model.
A standard king is 76" wide by 80" long, the widest mattress made. A California king is narrower but longer at 72" wide by 84" long. King suits couples who want maximum side-to-side space; Cal King suits sleepers 6 feet or taller who need the extra length. Both use king-sized bedding, but the sheets are not interchangeable between the two.
Yes. Most of the king mattresses we sell ship rolled-and-compressed in a box, which fits through any standard 30" doorway with room to spare. Traditional non-compressed kings (some luxury innersprings) measure 76" wide flat, but our delivery team handles getting them through tight stairwells and hallways. Call ahead if you have unusually narrow access.
We recommend a bedroom at least 12x12 feet for a king, that leaves enough wall clearance for nightstands and walking around. A 13x13 or larger room gives more comfortable circulation. The bed itself is 76" wide, so account for at least 24" of walking space on each side.
Next-day white-glove delivery is free on orders over $499 anywhere in Los Angeles. Need it sooner? Same-day delivery is a flat $100 when you order by 4 PM. We set up the new mattress, haul away your old one, and recycle it, not landfill.
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.
Bring your room measurements and exact model names. Call ahead to confirm display availability, then compare your usual sleep positions, turning and edge comfort.
Review delivery arrangements and comfort-exchange terms before ordering.
