18-karat gold

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Noun1.18-karat gold - an alloy that contains 75 per cent gold
alloy, metal - a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten; "brass is an alloy of zinc and copper"
References in periodicals archive ?
Valued at $2 million, the 2015 Fireworks Fantasy Bra and detachable belt is adorned with over 6,500 precious gems, including diamonds blue topaz, yellow sapphires and pink quartz all set in 18-karat gold.
It is a fully functioning Rubik's Cube with a twist -it's made with 185 carats of gems set in 18-karat gold.
The device is the first luxury Swiss product to directly compete with the Apple Watch, which costs $349 for the most basic version and $17,000 for an 18-karat gold model.
Leonardo DiCaprio's Jordan Belfort partied like a rock star in an 18-karat gold plate Tag Heuer Series 1000 in "The Wolf of Wall Street.
choose, from the relatively low-end $350 model to the $17,000 18-karat gold
Apple Watch Edition features cases specially crafted from custom rose or yellow 18-karat gold alloys developed to be twice as hard as standard gold, a Retina display protected by polished sapphire crystal and a choice of uniquely designed straps and bands with 18-karat gold clasps, buckles or pins.
Apple has previously indicated that the entry price would be $349 in the United States, and that two different sizes would be available in three collections, including the "Apple Watch Edition," featuring 18-karat gold cases in yellow or rose, sapphire crystal and finely crafted bands and closures.
These edition versions are made from 18-karat gold, sapphire crystal and come with a variety of elegant strap choices.
The watches will come in three collections, including a sport edition and an upscale line coated in 18-karat gold.
The first, its diamond line, produces approximately 1,000 pieces per year; the second, its 21-karat gold line, produces approximately 3,000; its 18-karat gold line produces 1,000 pieces per year.
Among the 43 items auctioned were a pair of 18-karat gold headphones designed by Apple's Jony lye, at $461,000, and a one-of-a-kind Leica M camera designed by lye and industrial designer Marc Newson that fetched a cool $1.
Distinctive for its gold, black, and blue palate, the Invicta features a compelling, deep blue dial, a rugged black rubber strap, and stainless steel accents plated in 18-karat gold.