
Sign up to the Significant Other newsletter to receive a 10% off welcome code for your first order, plus early access to new arrivals, collection launches, and exclusive subscriber-only offers.
Significant Other dresses start at $270, spanning cocktail, midi, maxi, and occasion styles across bridal party, wedding guest, cocktail, and eventwear ranges.
Save 50% during the Significant Other sale across dresses, tops, skirts, denim, sets, swimwear, and resort wear. Discounts apply automatically at checkout across seasonal markdowns.
Significant Other swimwear starts from $130, featuring bikinis, one-pieces, tops, bottoms, and cover-ups designed for effortless beach-to-bar styling.
Significant Other tops start at $132, spanning silky bias tops, structured shirts, halter necks, and cropped styles designed to pair with the label's signature separates and denim.
Significant Other offers free express shipping on Australian orders over $300. Fill your cart with dresses, tops, denim, or resort wear to reach the threshold and enjoy complimentary fast delivery.

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Significant Other offers new customers 10% off their first order when they sign up to the newsletter. Subscribers receive access to new collections and exclusive offers, including first looks at seasonal chapters across dresses, swim, and resort wear. Signing up takes just an email address through the newsletter section of the website.
Significant Other offers free express shipping on Australian orders over $300, with express post at $12 and standard post at $8 under that threshold. Express delivery arrives in 1–3 business days and standard in 3–5 business days via Australia Post, with same-day dispatch for orders placed before 11am AEST on business days. United States orders ship free via UPS with all duties covered, and rest of world shipping is calculated at checkout via DHL Express.
Significant Other accepts return requests within 14 days of purchase for domestic orders and 20 days for international orders, on items that are unworn, unwashed, and in original condition with all tags attached. Returns are lodged through the online portal, with a prepaid label option whose cost is deducted from the refund, and return shipping otherwise at the customer's expense unless the item is faulty. Sale items are eligible for store credit only, and items marked Final Sale cannot be returned. Only purchases made on the official website can be returned through the portal, with stockist purchases directed back to the stockist.
Significant Other offers buy now, pay later options at checkout, letting customers split their purchase into instalments across dresses, resort wear, and bridal party styles. Combined with the free express shipping threshold, instalment payment makes larger occasion orders more manageable.
Significant Other publishes a sustainability policy outlining its commitments to more responsible practices, guided by intelligent design that is never overworked. Founded in 2019 by Julia Ritorto and Kathryn Forth, the brand focuses on considered pieces designed to last beyond a single season, from its Adelaide roots recognising the Kaurna People as Traditional Custodians of the land.
Significant Other is an Australian women's fashion label founded in 2019 by Julia Ritorto and Kathryn Forth, designed to empower women to embrace their truest, most authentic selves. Collections span dresses, swim and resort wear, bridal party edits, and seasonal chapters, guided by a contemporary balance of boldness and softness with striking silhouettes and considered details. The online store offers free express shipping on Australian orders over $300 with same-day dispatch before 11am AEST, free duties-covered shipping to the United States, 14-day returns, and buy now, pay later options. Newsletter subscribers receive 10% off their first order, and the brand publishes a sustainability policy backing its intelligent design approach. Use the latest Significant Other discount codes and promo codes on this page to save on your next fashion order.