Burmese ruby rings
Burmese ruby rings are collectible pieces of jewellery that incorporate Burmese rubies into their design.
Rubies are a type of a precious stone, alongside diamonds, emeralds and sapphires.
Burmese rubies are arguably the most sought after rubies among collectors and are famed for their vibrant red colour.
In recent years, a number of leading jewellers have received criticism for continuing to buy rubies from Burma while the country is ruled by a military junta.
"A gift of a ruby is meant to symbolise love, but if it comes from Burma the true price is paid in blood and oppression," Mark Farmaner, acting director of the Burma Campaign UK pressure group, told the UK’s Times newspaper in 2007.
"Any rubies on sale in the UK will have been purchased at some point from the military and so will be helping to fund that regime."
Tiffany & Co stopped buying Burmese rubies in 2003.
Value and notable sales of Burmese ruby rings
The largest rubies tend to sell for the highest prices, although rings crafted by noted designers will also help boost the price.
A 5.03 carat-ruby and pink diamond ring sold for $288,000 at a Sotheby's Hong Kong auction in October 2005.
An 18.04 carat Burmese ruby and diamond ring made $2.48m at Sotheby’s Hong Kong in May 2005.
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