Second-Hand Saint Laurent Bags
The Lost Designer standard
Choosing Authenticated Saint Laurent Bags
Explore authenticated pre-owned Saint Laurent and YSL bags, including Loulou, Kate, Sunset, Niki, Sac de Jour and other house styles as available. Every listing identifies the exact model, size, material, hardware, condition, visible wear and original inclusions.We document the exterior, interior, hardware and any visible wear using formal condition grades, detailed descriptions and clear photography.
Every item offered for sale is reviewed by two authenticators and authenticated through LegitApp. Condition notes, measurements and stated inclusions are provided on the individual listing.
Review the actual-item photographs, condition notes, measurements and stated inclusions before ordering. Free tracked UK delivery is available on eligible orders. VAT and import duties are included; we pay the applicable UK import VAT and duties on your behalf, so there are no additional import charges on delivery.
Authentication you can hold
Confidence with every Saint Laurent bag
two authenticators
Every Saint Laurent bag is independently reviewed by two authenticators before it is offered for sale.
LegitApp authenticated
Our authentication process for each Saint Laurent bag is completed through LegitApp and supported by detailed item inspection.
Physical certificate
Every item comes with a physical authenticity certificate for your records and peace of mind.
Saint Laurent Bags buying guide
Frequently asked questions
How does Lost Designer authenticate pre-owned Saint Laurent bags?
Every Saint Laurent bag is reviewed by two authenticators and authenticated through LegitApp before it is offered for sale. A physical authenticity certificate is included with every item.
How is the condition of each Saint Laurent bag assessed?
We use formal condition grades and document the exterior, interior and hardware where applicable. Our descriptions and photographs identify visible wear so you can assess the piece before purchasing.
What inclusions come with each Saint Laurent bag?
Every item includes a physical authenticity certificate. Original inclusions such as a box, dust bag, card, booklet or receipt vary by item, and the exact inclusions are listed in the individual product description.
How does Lost Designer authenticate Saint Laurent Bags?
Every item offered for sale is reviewed by two authenticators and authenticated through LegitApp. The individual listing records the identifying details assessed for that piece.
How is the condition of Saint Laurent Bags assessed?
Condition is documented through detailed photographs, a formal grade and notes describing visible wear. Review the individual listing before ordering.
Lost Designer is an independent second-hand dealer and is not affiliated with Saint Laurent. All trademarks remain the property of their respective owners.

























