Designer rectangular sunglasses for women — brand-new-with-tags & authenticated pre-owned rectangle frames from Dior, Celine & Fendi in black, tortoiseshell and silver, priced up to 70% below retail. Verified in London.
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Designer rectangular sunglasses for women at CSD — a London luxury consignment retailer, with brand-new-with-tags and authenticated pre-owned frames priced up to 70% below original retail. The edit spans never-worn and pre-owned rectangular sunglasses, each authenticated in-house by our London team before it is listed. One of a kind, available until it sells, with worldwide shipping from Marylebone Lane, London.
The current edit is led by brand-new-with-tags pieces, listed as never worn, alongside a smaller number of authenticated pre-owned frames. Whether you are searching for pre-owned designer sunglasses or a new rectangular pair at a fraction of boutique price, each is verified, condition-graded and photographed in detail so you can buy with confidence. Because consignment stock is one of a kind, the selection changes continuously as new pieces arrive.
The collection
Rectangular sunglasses — sometimes searched as rectangle frames — offer a structured, contemporary line that has returned to the front of eyewear fashion in recent seasons, from slim narrow rectangles to bolder wraparound shapes. The edit at CSD covers the styles women look for most, with rectangular and square frames sitting alongside cat-eye and oval silhouettes. Frames come from luxury houses including Dior, Celine and Fendi, in black, tortoiseshell, silver, gold, brown and red, with solid, tinted and mirrored lenses.
Designer rectangular sunglasses
What sets this edit apart is that these are designer rectangular sunglasses, not generic high-street frames. The collection includes rectangle frames from luxury houses such as Dior, Celine and Fendi, each authenticated before listing. For shoppers searching specifically for designer rectangular sunglasses, this means access to current and past-season luxury frames — often brand-new-with-tags — at consignment prices rather than full boutique retail. Recognisable lines in the edit include the Dior Pacific, the Celine Triomphe and the Fendi First, among others.
Rectangular sunglasses for women
The women's edit covers the full range of rectangle and rectangular frame shapes and colourways, from slim narrow rectangles to bolder structured frames. Many pieces are brand-new-with-tags, offering the look and condition of a boutique purchase at a consignment price. For shoppers comparing styles, the black and tortoiseshell frames are the most versatile everyday choices, while silver, gold and red frames make a clearer statement. Every listing notes the frame shape, colour and lens type so you can find the right pair quickly. Because each frame is one of a kind, the exact frame shown in the images is the pair you receive. Because the edit is drawn from consignment and authorised-supplier stock, it favours current and recent designer lines rather than older deadstock, so the shapes reflect what the houses are showing now.
On sale — up to 70% below retail
Every pair here is reduced from original retail, with savings of up to 70%. As authenticated consignment — much of it brand-new-with-tags — a sale price at CSD reflects real value rather than a markdown on an inflated RRP. Prices, condition and availability are shown on every product page, so there are no surprises at checkout. New stock is added continuously, and because each frame is unique, the most sought-after rectangular styles tend to sell quickly once listed.
Styling rectangular sunglasses
Frame proportion is the quickest way to narrow the edit. Slim, narrow rectangles read as sleek and modern and suit rounder face shapes, while wider structured rectangles make a bolder statement and balance softer features. Colour is the second filter: black and tortoiseshell are the most versatile everyday choices, reading as a classic alternative, while silver, gold and red frames lift a neutral outfit. Lens finish is the third consideration — solid lenses for everyday wear, tinted or mirrored for a more fashion-led look. Because the stock is one of a kind, pairing a specific shape with a specific colour is a question of buying when the right pair appears rather than waiting for a restock.
Authentication
Every pair of rectangular sunglasses is authenticated by CSD's in-house specialists in London, with independent verification through Entrupy and RealAuthentication.com applied across our wider luxury catalogue where eligible. The process checks hardware quality, acetate and metal finish, logo placement, hinge construction, lens markings, and case and serial details where present. Nothing is listed without passing this process, and authentication applies equally to pre-owned and new-with-tags pieces. Read how CSD authenticates every piece.
Condition & grading
Each pair is assessed across lenses, frames, hinges and arms, then graded on CSD's condition scale: A (as new, no visible wear), B (excellent, minimal signs of use) and C (good, light surface marks noted). Brand-new-with-tags pairs are listed as never worn, with original tags retained where supplied. Every listing carries written condition notes and close-up images of the frames, lenses and any wear, so you can judge each pair accurately before you buy rather than relying on generic stock photography.
Buy & sell
CSD accepts consignments of authenticated designer rectangular sunglasses and eyewear from women looking to sell pre-owned luxury accessories. Pieces sourced directly from authorised suppliers also enter the collection, which is how brand-new-with-tags stock arrives. Prefer a different shape? Browse oval sunglasses alongside the rectangular edit. Worldwide shipping is available on all orders, dispatched from our Marylebone Lane store in central London, with tracked delivery across the UK and internationally.
Rectangular sunglasses — questions
Are CSD's rectangular sunglasses authentic? Yes. Every pair is authenticated in-house in London before listing, with independent verification where eligible.
Are they new or used? The current edit is led by brand-new-with-tags (never worn) pieces, with a smaller number of authenticated pre-owned frames. Condition is stated on every listing.
What is the difference between rectangular and square sunglasses? Rectangular frames are wider than they are tall, giving a longer, more elongated line, while square frames have more equal proportions. Both feature in the edit.
Can I buy online and ship to the UK? Yes. CSD ships worldwide, including across the UK, from the Marylebone Lane store in London.
Designer rectangle sunglasses for women, authenticated and below retail
Our rectangle sunglasses gather the designer houses women search for, every pair authenticated before it lists and priced below original retail. If you've looked for rectangle sunglasses womens and only found high-street versions, this is where the real designer pairs sit — pre-owned and brand-new-with-tags, one of each, gone when they sell.
The shape that flatters almost everyone
A rectangle frame is the quiet workhorse of eyewear. The clean horizontal line lengthens and slims the face, which is why it suits rounder and fuller faces so well and reads sharp without trying too hard. It's the shape that looks right on almost everyone, from a slim, contemporary rectangle to a wider, bolder one. Rectangular designer sunglasses here run that full range, and where a pair leans narrow or oversized that's clear in the photographs so you can judge the fit before it arrives.
Colours, finishes and rimless options
Black is the obvious starting point — black rectangle sunglasses are the most versatile thing in the edit, finishing almost any outfit. Beyond that the shape carries tortoiseshell and warm tones well, takes a tinted or gradient lens neatly, and turns up in rimless rectangle sunglasses for anyone who wants the lightest, most minimal look. Because each piece is one of a kind, the exact colour or finish won't be repeated, so a finish you like is worth acting on while it's there.
Which brands to look for
The rectangle is a staple across the major houses, which is part of why it's so searched: chanel rectangle sunglasses, miu miu rectangle sunglasses and gucci rectangle sunglasses all turn up here as they're consigned and authenticated, alongside plenty of other designer names. Buying pre-owned means access to frames that aren't in the current collection, including discontinued pairs that are hard to find new. Rather than fixing on one label, browse the range as it stands, because the best pieces from the most wanted houses move quickly.
Lenses and everyday wear
The frame gets the attention but the lens does the work. Most designer pairs come with proper UV protection, and where a pair has a particular tint, polarisation or gradient that's noted in the listing. A rectangle frame suits a flat, even tint especially well, since the clean shape pairs neatly with an unfussy lens. If you wear sunglasses most days rather than only on holiday, it's worth thinking about the lens as much as the frame, because that's what you notice hour to hour.
Why buy pre-owned here
Every pair is checked and authenticated before it goes live, through independent Real Authentication review and a hands-on look from our own team in London. A lower price means it's pre-owned or new-with-tags, not that there's a catch. Condition is graded honestly and shown in the photographs, so what arrives matches what you saw, and where there's light wear it's recorded plainly. Returns are accepted and you can reach the London team directly, so buying a pair you've only seen on screen isn't a gamble. Shop online with worldwide shipping, or see the same pieces in person at our Marylebone Lane store. Because each frame is unique and isn't restocked once it sells, the range today won't be the range next week, which is why it rewards a second look.
About CSD and how consignment works
CSD is a London luxury consignment retailer. Pieces are brought to us by previous owners and by partners clearing brand-new-with-tags stock, then authenticated, graded and listed individually rather than bought in bulk. That's why the range is always one-of-a-kind and always changing: when a piece sells it's gone, and the next to appear is whatever has just been verified. Everything is handled by our own team, which keeps authentication and grading consistent. Whether it's your first pre-owned designer piece or an addition to a long-held collection, the aim is the same — to make owning a verified, previously loved frame feel as reassuring as buying it new, at a price that reflects its history rather than its first day on the shelf.
Also browse round sunglasses, oversized sunglasses, tinted sunglasses, tortoiseshell sunglasses, gradient sunglasses and metal sunglasses. By house, see Prada sunglasses, Chanel sunglasses, Fendi sunglasses and Loewe sunglasses; by colour, brown, gold and grey.
Frequently searched: Prada rectangular sunglasses, plus second hand designer rectangle styles, each authenticated.
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