Luxury brand Caviar has unveiled a sterling silver "Liquid Metal" version of Apple's foldable iPhone Duo. This highly limited release features a mirror finish and is priced at up to $21,340.

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The $21,340 price tag for 17 sterling silver units

Caviar is positioning the Liquid Metal iPhone Duo as a pinnacle of mobile luxury. According to the report, the 2TB model is priced at $21,340, while the 256GB, 512GB, and 1TB versions range from $18,840 to $19,910. To maintain extreme exclusivity, the company has capped production at just 17 pieces globally.

The design features a mirror-polished sterling silver surface with sculptural relief, intended to evoke the sensation of "metal frozen in motion" through fluid lines and shifting reflections. The company explains that the design was inspired by the way the iPhone Duo folds open, aiming to turn the smartphone into a seamless metallic composition that embodies the concept of transformation.

A tenfold premium over Apple's standard foldable pricing

The cost of this custom device significantly outpaces the retail price of Apple's own hardware.. While the standard iPhone Duo is available in the UK for between £1,999 and £3,199, Caviar's silver model is roughly ten times more expensive. This massive pricing gap highlights the divide between mass-market consumer electronics and the emerging marrket for ultra-luxury, bespoke tech accessories.

This strategy follows a pattern of high-value customization, such as Caviar's previous release of an iPhone 17 Pro Max that incorporated a piece of Steve Jobs's famous turtleneck. Even Apple's top-tier flagship models, like the iPhone 18 Pro Max, start at a much lower price point of £1,199.

The $88,290 Palmette 18K gold and diamond edition

Beyond the foldable Duo, Caviar is also targeting owners of the iPhone 18 Pro and iPhone 18 Pro Max with 76 different custom versions. The most expensive of these is the Palmette 18K, which retails for up to $88,290. As the source reports , this model features an Art Deco design with an 18K gold body and a palm-leaf motif inspired by the United Arab Emirates.

The device is embellished with over one hundred hand-set diamonds and an adorned Apple logo to emphasize the purity of its proportions, according to Caviar's description. This level of ornamentation moves the device far beyond the realm of standard consumer technology into the sphere of fine jewelry.

Will the sterling silver finish impact the device's folding mechanism?

Despite the impressive craftsmanship, several technical details remain unverified . It is currently unknown whether the addition of sculptural sterling silver affects the mechanical longevity or the smooth operation of the iPhone Duo's folding hinge. Additionally, the report does not clarify if these high-priced models include any unique software or if they are purely aesthetic modifications to Apple's standard operating system.

Finally, it remains to be seen which specific collectors will pursue these 17 limited units and whether the "Liquid Metal" aesthetic will hold up to the rigors of daily handling.