(IDEX Online) - It's a 1.53-carat lab-grown diamond … and it's made of Pepsi.
A clear, caramel-free version of the soft drink, Crystal Pepsi, was boiled down to its most basic form, according to the ad agency that dreamed up the idea, and the resulting carbon powder was used in the HPHT process.
Pepsi describe the cola stone, set in a platinum band, a an "IGI Laboratory Grown Diamond Crystal Pepsi engagement ring" with a value of about $3,000.
It's being offered as a prize in a US competition to find the most romantic offer of marriage, ahead of National Proposal Day on March 20. ...