A Rare Blue Diamond Ring by Bulgari to be Auctioned Off by Bonhams

We all remember the blue diamond from the movie Titanic. Now another such blue diamond ring is going to be auctioned off by Bonhams at their Fine Jewellery sale to be held on 24th April 2013. This particular ring was made in 1965 by the famous Italian jewellery house, Bulgari. Blue diamonds are a very rare subsection of the diamond family, accounting for only 1 percent of the entire diamonds mined world over. The unique bluish tint comes from Boron in the carbon atoms of the hardest rock on the planet.

The diamond weighs an impressive 5.3 carats and has been set in a ‘Trombino’ ring by the master jewellers. It is estimated that this ring might fetch around $1.5-2.3 million. There has been a steady increase in the demand for naturally coloured diamonds. Due to the fact they are extremely rare, their prices are accordingly very high, putting them in the list of some of the most expensive diamond rings. Some recent examples include the blue diamond sold by Bonhams for $2.9 million in 2011, a huge BVLGARI blue diamond that fetched a whopping $12 million at a Christie’s auction, and a gorgeous sky-blue diamond that went under the hammer at Sotheby’s for $6.4 million.



But the star in this elite group of diamonds without a doubt is the infamous ‘Hope Diamond’ that was owned King Louis XIV of France, which is one of the most expensive diamonds in the world.  Last year in November, another diamond hogged the limelight when a giant 76-carat flawless Golconda diamond extracted from the famous Golconda diamond mines of India was auctioned off in Geneva for a record breaking $21.48 million. Judging from the recent trend of astronomical prices being offered for rare coloured diamonds, I have a feeling the auction estimates could very well be exceeded. Plus the ring also has the craftsmanship of Bulgari to add to its brand value.

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