Mid-century modern design in America wouldn’t look the way it does without Knoll. The company’s acclaimed seating — lounge chairs, armchairs, office chairs and other furnishings created by a who’s who of designers and by Knoll’s pioneering cofounder, Florence Knoll (1917–2019) — helped define high-rise corporate culture and was rapidly adopted for use in living rooms, where it endures as a timeless favorite all over the world.
“Many of the designs that he had at that time were ones that I did not approve of,” Florence Knoll once recalled of her German-born husband, Hans Knoll (1914–55), the son of German modernist furniture manufacturer Walter Knoll.
A native of Michigan, Florence already had a world-class immersion in design when she met Hans. Orphaned at age 12, she was enrolled at Kingswood School, part of the Cranbrook Academy of Art, which became the go-to school for legends of mid-century design. Florence became very close with Cranbrook head Eliel Saarinen, his wife and their son, Eero. She later studied with Ludwig Mies van der Rohe and worked for Marcel Breuer and Bauhaus school founder Walter Gropius. When Florence married Hans in 1946, he had been at work since 1938 on his own eponymous furniture line in New York City.
With Florence’s design acumen, the Knolls turned the company into a powerhouse of modernist design. The Knoll Planning Unit, created by Florence in the mid-1940s, designed office spaces for the likes of GM and CBS, helping to define the postwar corporate aesthetic.
The department’s small team designed furniture with practicality, efficiency and sleekness in mind, attributes that clearly define furnishings such as Eero Saarinen’s sculptural Executive chair, which was introduced in 1948 as the Model 72 and used for the General Motors Technical Center in Warren, Michigan. (The armed version, which followed in 1950, was also specified for the campus, an architectural project of Saarinen’s.) This seating, as well as pieces designed by Florence initially for commercial clients, soon became desirable for apartments and houses.
Knoll collaborated with an all-star cast of designers, including Saarinen, whose Womb chair arose from Florence’s request for “a chair that was like a basket full of pillows.” The catalogue includes some of the century’s most recognizable forms: Saarinen’s Tulip chairs, Harry Bertoia’s wire-lattice Diamond chair, the Cyclone table by artist Isamu Noguchi and pieces by Massimo and Lella Vignelli, Jens Risom, Marcel Breuer and Ludwig Mies van der Rohe, who granted Knoll exclusive permission to produce his designs. The manufacturer continues to produce the only authorized version of the elegant and oft-copied Barcelona chair, which Mies created in collaboration with designer Lilly Reich, his creative and romantic partner.
By 1950 — when production for Knoll was moved to East Greenville, Pennsylvania — more than one third of the designs in the company’s portfolio were Florence’s own. She thought of her furniture as “meat and potatoes,” mere practicality.
“People ask me if I am a furniture designer,” she once said. “I am not. . . . I designed the fill-in pieces that no one else was doing.” But decades later, her own designs, like the Florence Knoll sofa, with its clean architectural lines, and her Bauhaus-inspired Lounge chair, are icons in their own right.
In 2021, Knoll was acquired by Herman Miller, another legendary American furniture manufacturer that turned a number of designers into mid-century household names. The combined company operates under the name MillerKnoll.
Find a collection of vintage Knoll dining chairs, sofas and other seating on 1stDibs.
Ludwig Mies Van Der Rohe for Knoll Krefeld Chairs- A Pair
By Ludwig Mies van der Rohe, Knoll
Located in St.Petersburg, FL
Wonderful pair of club chairs designed by Ludwig Mies van der Rohe for Knoll circa 2004. The original design of these was from the 1920s. These are very well made and comfortable cha...
Leather, Ash
Ludwig Mies Van Der Rohe for Knoll Krefeld Settee
By Ludwig Mies van der Rohe, Knoll
Located in St.Petersburg, FL
Wonderful small sofa or settee designed by Ludwig Mies van der Rohe for Knoll circa 2004. The original design of these was from the 1920s. Very well made and comfortable with a class...
Leather, Ash
Brno Tubular Chairs in Fuchsia velvet Polished Brass by Mies Van Der Rohe, Knoll
By Knoll, Ludwig Mies van der Rohe
Located in Wilton, CT
Designed by Ludwig Mies van der Rohe, the Brno Chair is an icon of 20th-century design. Upholstered in a lovely Fuchsia Velvet with Polished Brass handles. We have been restoring B...
Brass, Steel
Ludwig Mies Van Der Rohe Red Barcelona Lounge Chair for Knoll, 1972, Set of 2
By Knoll, Ludwig Mies van der Rohe
Located in Vicenza, IT
Set of 2 Barcelona lounge chair, designed by Ludwig Mies Van der Rohe in 1929 and manufactured by Knoll International in 1972. Made of chromed steel and leather. Excellent vintage co...
Chrome
1980s Mies van der Rohe for Knoll Barcelona Daybed in Black Leather, Model 258L
By Lilly Reich, Knoll
Located in Philadelphia, PA
This is a Barcelona Daybed Sofa, Model 258L, initially designed by Lilly Reich and Mies van der Rohe in 1930. This example was produced by Knoll Associates in the 1980s. It features ...
Steel
Eero Saarinen Designed Grasshopper Chair
By Knoll, Eero Saarinen
Located in Brooklyn, NY
This iconic mid-century design was made by Knoll and created by Eero Saarinen. Simple design with a wow factor! Two bentwood slats comprise the entire frame, and come from behind to ...
Bentwood
$25,200Sale Price / set|21% Off
Robert Venturi Post-Modern 'Chippendale' Chairs for Knoll International, c. 1985
By Knoll, Robert Venturi, Robert Venturi and Denise Scott Brown
Located in Los Angeles, CA
This rare and sought after set of collectors chairs is called the 'Chippendale' chair by Robert Venturi and Denise Scott Brown for Knoll International, circa 1985 featuring a black c...
Leather, Laminate, Plywood
$12,000 / set
Pair of Warren Platner Bronze Finish Lounge Chairs
By Warren Platner, Knoll
Located in Palm Springs, CA
A beautiful pair of Warren Platner designed wire lounge chairs for Knoll in bronze finish. there have been re-upholstered in a Knoll velvet. In good overall condition., The fabric is...
Steel
Florence Knoll Sofa Knoll International 3 Seater Knoll International Model 26
By Knoll, Florence Knoll
Located in Berlin, BE
Authentic mid-century collectible with documented provenance: This spacious Florence Knoll Model 26-3KC sofa was produced in the 1960s and upholstered in an exceptionally high-qualit...
Steel, Chrome
Eero Saarinen for Knoll Mid Century Womb Chairs - Pair
By Eero Saarinen, Knoll
Located in Franklin Park, IL
Eero Saarinen for Knoll Mid Century Womb Chairs - Pair Each chair measures: 41 wide x 37 deep x 37.5 high, with a seat height of 17 and arm height/chair clearance of 21.75 inches E...
Metal
Outdoor / Patio Armless Lounge Chair, Richard Schultz for Knoll, USA, c. 1966
By Knoll
Located in Deland, FL
Designed in 1966 for Knoll’s groundbreaking Outdoor Collection, the 1966 Lounge Seating series—often simply called the “1966 Collection”—was Richard Schultz’s answer to creating eleg...
Aluminum
C. 2010 Eero Saarinen Full-Size Womb Chair & Ottoman in Crimson Red Boucle
By Knoll, Eero Saarinen
Located in Philadelphia, PA
This is an original Womb Lounge Chair and Ottoman, originally designed by Eero Saarinen for Florence Knoll and Knoll Associates in 1948. This particular example was manufactured by K...
Steel
Eero Saarinen Womb Chair and Ottoman, Knoll, USA, 1950s
By Eero Saarinen, Knoll
Located in Lewes, East Sussex
An early production Eero Saarinen womb chair and ottoman, made by Knoll, USA, 1950s. Newly upholstered in luxurious pure Alpaca fabric (brown / grey) with a structure of fibreglass, black enameled steel frames and first edition feet / glides. Fast shipping worldwide. When asked by Florence Knoll to design 'a chair that was like a basket full of cushions - something she could really curl up in', Eero Saarinen produced the Womb chair...
Steel
1984 Charles Pollock for Knoll Desk Chair in Charcoal Grey Fabric, 4x Available
By Charles Pollock, Knoll
Located in Philadelphia, PA
This is a Pollock Executive Chair designed by Charles Pollock for Knoll in 1963. These particular examples date to 1984. We currently have five chairs available for purchase in this ...
Aluminum
Knoll International Sling Lounge Chair by Hannah Morrison Set of 2
By Bruce Hannah & Andrew Morrison, Knoll
Located in Munich, Bavaria
Knoll International manufactured these chairs. Bruce Hannah & Andrew Morrison design this circa 1970 and it was used in public spaces and as well in living rooms. The metal frame c...
Aluminum
Mies Van Der Rohe for Knoll Brno Chair in Cato Upholstery 60 available
By Knoll, Ludwig Mies van der Rohe
Located in Hudson, NY
Knoll Brno chair designed by Mies Van der Rohe. These chairs are upholstered in Knoll's Cato upholstery. Color is 'natural'- which reads as a pale oatmeal color. These chairs are fro...
Steel
Harry Bertoia Midcentury Slat Bench by for Knoll International, USA, 1960s
By Knoll, Harry Bertoia
Located in Vienna, AT
A beautiful modernist ashwood slatted bench with an Y-shaped iron base from the 1960s. Designed by Harry Bertoia for Knoll INternational. Restored, in very good condition. A multipur...
Iron
$1,760Sale Price|20% Off
One Vintage Jens Risom for Knoll Lounge Chairs
By Jens Risom, Knoll
Located in Pasadena, TX
One mid-century modern armless lounge chair designed by Jens Risom for Knoll originally in 1946. This early design has a hard maple frame with new linen upholstery.
Fabric, Maple
Pair of Brown Saarinen Executive / Dining Chairs or Knoll
By Knoll, Eero Saarinen
Located in BROOKLYN, NY
For your consideration is this pair of Eero Saarinen for Knoll executive chairs. With brown fabric and wool upholstery for Knoll. These are from the 60's and have been reupholstere...
Metal
Pair of Warren Platner Easy Lounge Chairs and Ottoman
By Knoll, Warren Platner
Located in Brooklyn, NY
A pair of Model 1705 easy chairs with ottoman, designed by Warren Platner for Knoll. Zinc steel wire rods are bent and welded to form a graceful, sculptural Silhouette. A generously ...
Zinc
Mies van der Rohe for Knoll Barcelona Stools in Chocolate Brown Leather
By Ludwig Mies van der Rohe, Knoll
Located in Atlanta, GA
Iconic Pair of Barcelona Stools or Ottomans, designed by Mies van der Rohde for Knoll, American, circa 1980s. They are upholstered in their original chocolate brown leather which is ...
Chrome, Metal
Warren Platner for Knoll Bronze Easy Chair and Ottoman in Alpaca
By Knoll, Warren Platner
Located in Dallas, TX
Gorgeous Warren Platner for Knoll Easy Chair and Ottoman in a bronze frame. This chair has been reupholstered in a beautiful alpaca mohair in burnt orange. Chair measure 38.75"H x ...
Metal
1990s Gae Aulenti for Knoll Lounge Chair in Blue Leather 8x Available
By Gae Aulenti, Knoll
Located in Philadelphia, PA
These are Aulenti Lounge Chairs, initially designed by Gae Aulenti for Knoll International in 1974 as part of the Aulenti Collection. The listed price includes one lounge chair, and ...
Enamel, Steel
1973 Knoll Sling Lounge Chair by Bruce Hannah and Andrew Morrison 1x Available
By Knoll, Bruce Hannah & Andrew Morrison
Located in Philadelphia, PA
This is a Sling Lounge Chair, designed by Bruce Hannah and Andrew Morrison for Knoll in 1971. The listed price includes one lounge chair. The pieces were produced in the United State...
Steel
Bruce Hannah & Andrew Morrison Sling / aluminum armchair for Knoll 1970
By Knoll, Bruce Hannah & Andrew Morrison
Located in Buffalo, NY
"Sling" armchair from the 70s for Knoll by designers Andrew Morrison and Bruce Hannah in a dark brown leather -like fabric and cast aluminum. Origina...
Aluminum
Brno Chair by Mies Van Der Rohe for Knoll - 3 Available
By Knoll, Ludwig Mies van der Rohe
Located in Los Angeles, CA
'Bruno' arm chair with metal frame and cantilevered seat and back retaining the original upholstery. Sold per item/per chair. Three available.
Steel
Knoll Bertoia Diamond Chair in Matte Black
By Knoll, Harry Bertoia
Located in Stamford, CT
Renowned sculptor Harry Bertoia was invited by Florence Knoll to explore how his artistic experiments might translate into furniture design. There was no specific brief, only an open...
Metal, Steel
Frank Gehry Power Play Chair for Knoll, Black Lacquered
By Frank Gehry, Knoll
Located in Chicago, IL
Frank Gehry Power Play chair. Hard maple, black finish. Frame constructed of hard white maple veneer strips. The underside of both piece...
Maple
$1,120Sale Price|20% Off
Early Eero Saarinen for Knoll International Stool with Original Fabric
By Knoll, Eero Saarinen
Located in Oklahoma City, OK
An exceptional early example of Eero Saarinen’s timeless design for Knoll International, this iconic stool showcases the elegance and simplicity that define mid-century modernism. Retaining its original upholstery, the stool reflects Saarinen’s refined approach to form and function. Measuring 15 inches in diameter and 18 inches in height, the piece is perfectly scaled for use as a vanity stool...
Aluminum
$1,960Sale Price|30% Off
Mid Century Modern 2 Seat sofa table Bruce Hannah and Andrew Morrison for Knoll
By Knoll, Bruce Hannah & Andrew Morrison
Located in Brooklyn, NY
Mid Century Modern 2 Seat armchair sofa with middle white laminate table by Bruce Hannah and Andrew Morrison for Knoll. Made in American circa 1960s....
Aluminum, Steel
$7,959Sale Price|40% Off
Set of 10 Brno Flat Bar chairs by Knoll, design by Mies van der Rohe, 20th century
By Knoll, Ludwig Mies van der Rohe
Located in Vicenza, VI
Brno Chair Flat Bar is a chair created by Mies Vas der Rohe, a German designer who changed the history of 20th century design. The object was desig...
Steel
2003 Knoll Saarinen Armless Executive Side Chair in Bordeaux Fabric, Model 72C
By Knoll, Eero Saarinen
Located in Philadelphia, PA
This is a Saarinen Executive Armless Side Chair, Model 72C, designed in 1950 by Eero Saarinen and produced by Knoll. These particular examples were produced in 2003. The listed price...
Steel
Red Leather Desk Chair by Richard Sapper for Knoll Inc/Knoll Intl, France 1992
By Richard Sapper, Knoll
Located in Chicago, IL
Red Leather Office/Desk Chair for Knoll/Knoll Intl, France 1992. Original Leather is great condition.
Leather
Mr chair designed by Mies Van Der Rohe in 1927 and manufactured by Knoll
By Knoll, Ludwig Mies van der Rohe
Located in Ravenna, IT
Mr. chair designed by Mies Van Der Rohe in 1927 and produced in the same year by Knoll International. With its curved tubular steel frame, the MR chair has been a major design icon s...
Steel
Set Of Two Chairs Designed By Warren Platner And Edited by Knoll 1960's
By Warren Platner, Knoll
Located in Madrid, ES
Set of 2 chairs designed by Warren Platner between 1968 and 1970, featuring a chrome-plated steel structure and dark wool upholstery. First edition, produced by Knoll. Warren Platn...
Steel
Pair of Classic Original Tulip Stools by Eero Saarinen for Knoll
By Knoll, Eero Saarinen
Located in Los Angeles, CA
Original Tulip Stool in cast aluminum by Eero Saarinen for Knoll. Eero Saarinen vowed to address the “ugly, confusing, unrestful world” he observed underneath chairs and tables -- th...
Aluminum
$3,040Sale Price / set|20% Off
Set of 6 Knoll Bertoia Dining Chairs
By Knoll, Harry Bertoia
Located in Dallas, TX
Set of 6 classic Knoll dining chairs by Harry Bertoia. Welded steel with rods in a matte white finish. Original yellow vinyl seat cushions with dated labels included. Good vintage c...
Steel
Model 72 Dining Chair in Bouclé by Eero Saarinen for Knoll, USA 1960s
By Knoll, Eero Saarinen
Located in GORINCHEM, NL
The Saarinen Model 72 Dining Chair by Knoll International is a true design icon. Introduced in 1950 by Finnish-American architect Eero Saarinen, it reflects his signature vision of s...
Steel
Vintage Mid Century "Straight Chair" by George Nakashima
By George Nakashima, Knoll
Located in Oxnard, CA
Here is a beautiful, early "Straight Chair" by George Nakashima. "Introduced in 1946, the Straight Chair is George Nakashima’s modernist interpretation of the traditional Windsor ch...
Birch
Black Leather Desk Chair by Richard Sapper for Knoll Inc/Knoll Intl, France 1992
By Knoll, Richard Sapper
Located in Chicago, IL
Black Leather Office chair for Knoll Inc/Knoll International, France 1992. Original leather in excellent condition.
Leather
Set 8 Mies Van Der Rohe For Knoll Stainless Steel Brno Chairs Black Leather 1977
By Knoll, Ludwig Mies van der Rohe
Located in Miami, FL
Set of 8 Mid-Century Modern Mies van der Rohe flatbar Brno for Knoll in stainless steel with the original black Leather Upholstery. Designed by Ludwig Mies van der Rohe for his celeb...
Stainless Steel
Knoll Brno Flat Bar Mid Century Chrome Dining Chairs - Set of 6
By Knoll
Located in Franklin Park, IL
Knoll Brno Flat Bar Mid Century Chrome Dining Chairs - Set of 6 Each chair measures: 23 wide x 21.5 deep x 31.75 inches high, with a seat height of 18 and arm height/chair clearance...
Chrome
Early Saarinen Executive Arm Chairs in Moss Silk Mohair with Walnut Legs, Pair
By Knoll, Eero Saarinen
Located in Stamford, CT
Eero Saarinen remains one of the most influential furniture designers of the 20th century, celebrated for his sculptural approach to form and his pioneering use of materials. His ico...
Fabric, Walnut, Wood, Velvet, Upholstery
1978 Harry Bertoia for Knoll Bird Chair and Ottoman w/ Knoll Labels
By Harry Bertoia, Knoll
Located in Palm Springs, CA
A wonderful Harry Bertoia for Knoll Bird chair and ottoman that we had completely redone. The covers have been replaced. The chair and ottoman retain their original Knoll 745 Park Av...
Steel
1970s Bill Stephens for Knoll Office Armchair in Oak and Orange Fabric
By Bill Stephens, Knoll
Located in Philadelphia, PA
This is a Bill Stephens Desk Chair, originally designed for Knoll in the 1960s. This particular example dates back to the 1970s. The chair is comprised of a bentwood frame with a sea...
Aluminum
Set of Four Eero Saarinen Tulip Chairs for Knoll, 1960s–1970s
By Knoll
Located in Wheat Ridge, CO
Set of Four Eero Saarinen Tulip Chairs for Knoll, 1960s–1970s Iconic set of four Eero Saarinen Tulip chairs for Knoll, featuring sculptural white molded shells, elegant pedestal bas...
Metal
Cini Boeri - Pair of Lounge Chairs / Loveseats "Gradual" for Knoll, 1970s
By Cini Boeri, Knoll
Located in Rosendahl, DE
Pair of “Loft” Lounge Chairs by Cini Boeri for Knoll International, Italy, 1970s Striking pair of “Loft” lounge chairs (also referred to as loveseats) designed by Cini Boeri for Kno...
Leather
1960s Mies van der Rohe Flat Bar Brno Chair in Polished Stainless w/ Leather
By Knoll, Lilly Reich, Ludwig Mies van der Rohe
Located in Philadelphia, PA
These are Brno Armchairs, model MR50, initially designed by Ludwig Mies van der Rohe and Lily Reich in 1929. These particular examples were produced by Knoll in the 1960s. The listed...
Steel
Set of Two beige Eero Saarinen Womb Chair and Ottoman for Knoll, USA, 1960s
By Knoll, Eero Saarinen
Located in Berlin, DE
Set of two Early Eero Saarinen womb chairs and ottoman for Knoll, USA - 1960s. Newly upholstered in a Knoll fabric. The measurements giv...
Metal
Gae Aulenti for Knoll International Armchairs Mid-Century Modern 1975, Pair
By Knoll, Gae Aulenti
Located in Miami, FL
Pair of armchairs or conference chairs by Gae Aulenti for Knoll International. We have 5 sets available. The frames of the chairs are constructed by sculpted metal tubes, sinuous ben...
Metal, Steel
$3,040Sale Price|20% Off
A rare highback lounge chair by Knoll, Art Deco
By Knoll, Wilhelm Knoll
Located in Stockholm, SE
A rare Art Deco highback lounge chair by Wilhelm Knoll for Knoll, 1930s. Knoll was founded in 1865 by Wilhelm Knoll with the ambition to manufacture high quailty furniture. During t...
Wool, Wood
2010 Mies van der Rohe for Knoll Brno Tubular Chrome Dining / Arm Chairs
By Knoll, Ludwig Mies van der Rohe
Located in Philadelphia, PA
Listed for sale is an authentic(sold individually) labelled Mies Van Der Rohe Brno chair in red fabric with a lovely gleaming chromed tubular steel frame. The chairs were manufactu...
Metal, Chrome
Pair of 657 Armchair by Charles Pollock for Knoll
By Knoll, Charles Pollock
Located in Stockton, NJ
A pair of early 657 armchairs by Charles Pollock for Knoll. This 1970's pair features chromed steel and wood frames with black leather seat and cushion. O...
Steel
Charles Pfister for Knoll Cream Leather Lounge Chair, Labeled, American 1980's
By Charles Pfister, Knoll
Located in Los Angeles, CA
Designed in 1971 by celebrated American designer Charles Pfister for Knoll, this iconic lounge chair exemplifies the restrained elegance and timeless sophistication that became the h...
Metal
$6,800 / set
Pair of Ernst Schwadron Lounge Chairs
By Knoll, Ernst Schwadron
Located in Hanover, MA
Pair of shapely down filled lounge chairs designed by Austrian emigre Ernst Schwadron and retailed through Rena Rosenthal inc. New York in the...
Mahogany
Four (4) NIB Cesca Bar Stools Marcel Breuer Knoll Chromed Steel Upholstery
By Knoll, Marcel Breuer
Located in Philadelphia, PA
At the Bauhaus, Marcel Breuer married traditional craftsmanship with industrial methods and materials to help make tubular steel furniture an international sensation and a modern institution. Marcel Breuer was also the designer of the iconic Wassily chair and the Breuer Building, which now houses the Whitney Museum of American Art in the heart of NYC. This brand new set is in the super elegant "Caviar Hourglass" upholstery, and have never been used. These chairs are new in box, and have been priced near the first-party Knoll price. However, we can offer discounted and faster shipping, and are willing to reasonably negotiate. At this time, we have a total of 8 stools...
Steel, Chrome
'Brigadier' Loveseats by Cini Boeri for Knoll, Italy, 1980s
By Knoll, Cini Boeri
Located in Antwerp, BE
Exceptional sofa from the award-winning Brigadier Series by renowned Italian architect and designer, Cini Boeri (1924–2020). Crafted in the 1980s for Knoll, these sofas feature a sle...
Leather, Lacquer
Model 2530-3, 2-Seater Bench in Maharam Wool by Florence Knoll, USA 1960s
By Knoll, Florence Knoll
Located in GORINCHEM, NL
A refined example of Florence Knoll’s architectural approach to furniture design, the Model 2530-3 two-seat bench combines clean modernist lines with balanced proportions and excepti...
Steel, Chrome
1960s Mies van der Rohe for Knoll Barcelona Chair in Black Distressed Leather
By Knoll, Ludwig Mies van der Rohe
Located in Philadelphia, PA
This is a 1960s vintage Barcelona chair in distressed black leather with a polished stainless frame by Mies van der Rohe and produced by Knoll. This example came directly from Gratz Industries and was in their private collection. Gratz Industries produced the Barcelona chair frames...
Steel
Harry Bertoia for Knoll International Bench, Wooden Slat Seat, 1955
By Harry Bertoia, Knoll
Located in Queens, NY
American Mid-Century rectangular bench with a wooden slat seat resting on two white finished Y-shaped metal legs. (HARRY BERTOIA FOR KNOLL INTERNATIONAL) Some chipping to finish on ...
Metal
Knoll Seats are available for sale on 1stDibs. These distinctive objects are frequently made of metal and designed with extraordinary care. In our collection of Knoll seating, there are many options to choose from, although brown editions of this piece are particularly popular. In stock are 600 vintage editions of these items, while there are 3 modern editions to choose from as well. Many of the original Knoll seating was created in the Mid-Century Modern style in North America during the 20th century. If you’re looking for additional seating, many customers also consider seating by Charles and Ray Eames, Herman Miller and Milo Baughman. Knoll seating prices can vary depending on size, time period and other attributes. Price for these items starts at $295 and tops out at $54,000, while pieces like these can sell for $3,999 on average.