Akari crystal-embellished cutout cady halterneck gown
REBECCA VALLANCE's dresses release enters Vinchy's AI lab for a closer look at fabrication, fit, and care notes.
Tagged at $786, quality lands at 70/100, comfort at 60/100, and sustainability at 60/100 for discerning shoppers.
- Brand · REBECCA VALLANCE
- Category · Dresses
AI scorecard
What matters most for shoppers researching this piece right now.
Craftsmanship, stitching, and long-term durability.
Movement, breathability, and day-long wear.
Environmental impact and responsible sourcing.
Attribute deep dive
We break down what drove each score so you can weigh trade-offs.
Quality Analysis 70/100
This elegant gown, crafted from mid-weight cady, offers a good balance of drape and structure. While the 2% elastane in the main fabric and 3% in the lining provide a slight give for comfort, the "non-stretchy" description suggests it's not designed for high-flex activities, which can be a positive for maintaining shape over time.
Comfort Assessment 60/100
This elegant gown, while stunning, is crafted from a mid-weight, non-stretchy cady fabric, which may limit ease of movement. The "close fit" and "fitted waist" suggest a tailored silhouette that prioritizes form over flexible comfort.
Sustainability Impact 60/100
This elegant gown is crafted from 98% polyester and 2% elastane, with a lining of 97% polyester and 3% elastane, indicating the use of conventional fossil-fuel synthetics without any recycled content.
Measurement breakdown
Measurements across available sizes.
| Size | Bust | Waist | Length | Hip |
|---|---|---|---|---|
| UK 10 | 76 cm | 72 cm | 124 cm | 94 cm |
| UK 8 | ||||
| UK 6 | ||||
| UK 4 | ||||
| UK 14 | ||||
Gallery
Reference shots help you validate textures, hardware, and proportion before you buy.




Garment details
Need-to-know info pulled from the retailer’s description, sizing notes, and care callouts.
Editors’ Notes: EXCLUSIVE AT NET-A-PORTER. Rebecca Vallance’s ‘Akari’ gown has a high halter neckline and skin-baring cutouts that are highlighted with sparkling crystals. It’s cut for a close fit from burgundy cady with a fitted waist and floor-skimming hem. Turn to reveal the elegant open back.
Editors’ Notes: EXCLUSIVE AT NET-A-PORTER. Rebecca Vallance’s ‘Akari’ gown has a high halter neckline and skin-baring cutouts that are highlighted with sparkling crystals. It’s cut for a close fit from burgundy cady with a fitted waist and floor-skimming hem. Turn to reveal the elegant open back.
Size & Fit: Fits true to size, take your normal size Designed for a slim fit Long in length, may wish to alter Mid-weight, non-stretchy fabric Model is 177cm/ 5'10" and is wearing a UK 6 Model measurements: Bust: 79cm/ 31" Waist: 61cm/ 24" Hip: 89cm/ 35" View size guide
Details & Care: Burgundy cady Concealed hook and zip fastening at back 98% polyester, 2% elastane; lining: 97% polyester, 3% elastane Dry clean Designer color: Wine
Delivery & Returns: Find out more about our delivery options . Try items in the comfort of your own home. If they're not quite right, you've got 28 days to request an exchange or return and send them back to us. We'll collect them from your nearest UPS drop off point. Free returns are offered within 14 days of delivery.