Skip to content
Search brands and models

Saint Laurent Kate sizes

Saint Laurent Kate in 2 sizes: from €1,750 for the Kate Small to €1,950 for the Kate Medium, new in the boutique, and how each price has changed. Use it to judge any pre-owned price you come across for a Saint Laurent Kate.

Size by size, since 2021 the increases range from 31% for the Kate Medium to 36% for the Kate Small: the chart below shows each one.

Prices last checked on 18 October 2026. How we check prices

The sizes

How much have the sizes risen?

Every size costs more than when we first saw it

The Small rose the most, 36%. The Medium rose the least, 31%.

Price new in the boutique, change since each size was first checked. Tap a size to see its history.

Kate Small, new in the boutique

€1,750

Up 36% since 2021, when it was €1,290.

Lighter line: months we did not check the price

Kate Medium, new in the boutique

€1,950

Up 31% since 2020, when it was €1,490.

Lighter line: months we did not check the price

The sizes side by side

Size Width in cm New in the boutique New
Small 20 cm wide 20 €1,750
Medium 24 cm wide 24 €1,950

The story of the Kate

The Kate is a slim flap bag on a chain, fronted by the interlocking YSL logo and sold with or without a gold tassel (PurseBlog, Fashionphile). The logo was drawn in 1961 by the artist Adolphe Mouron, known as Cassandre (Fellows, PurseBlog). Hedi Slimane became creative director in 2012 and renamed the ready-to-wear line Saint Laurent Paris (Fellows, Dazed), from spring-summer 2013, while the YSL logo stayed on the products (FashionNetwork). Fellows, the British auction house, writes that the Cassandre Monogram line rose to prominence during Slimane’s tenure, and names the Kate, the Loulou and the Envelope as instant hits, appreciated for their versatility, elegance and recognisability (Fellows). Pre-owned listings cover a wide family: Fashionphile’s guide lists a belt bag and a chain wallet as well as the shoulder bag, in Micro, Small, New Small and Medium sizes (Fashionphile). The original Small was replaced by a larger one (Handbagholic), so measure before comparing prices: the current Small is about 20 by 12.5 by 5 cm (Handbagholic). The serial number sits on a leather tab inside (Handbagholic). The YSL closure should have sharp letter edges and close with a firm click (Fashionica), and on tasselled versions the tassel should be present, since the model is sold both ways (PurseBlog).