(IDEX Online) - Investors will be able to buy a tiny share of a high-value fancy colored diamond, with the launch on Wednesday of Luxus.The US-based fractional ownership business will allow clients, who would otherwise be priced out of the market to buy 0.1 per cent or less, of a gem.The first diamond on offer is a 0.54-ct fancy pink diamond from the iconic Argyle mine, in Australia, valued at $400,000. Luxus is making 2,000 shares available, allowing investors to buy as little as $200.The company was founded by hedge fund expert Dana Auslander and fashion journalist Gretchen Gunlocke Fenton.Fancy colored diamonds have increased in value by as much as 12 per cent annually in recent years, according to the Fancy Color Diamond Index, which monitors prices.Investors in the Argyle pink will have to pay a 0.75 per cent management fee, plus a 20 per cent performance fee on any profits exceeding an eight per cent annualized gain.Luxus says it expects to sell most investment diamonds within 18 months to three years.Pic shows fancy colored diamonds on the Luxus website.