Centring on a pear-shaped paraiba weighing 17.09 carats， embellished with pear-shaped and brilliant-cut diamonds totalling approximately 7.05 carats， mounted in platinum. Ring size： 61/2

Gübelin numbered 12027303， 12 March 2012， stating the paraiba tourmaline is 17.09 carats， natural， greenish-blue colour； along with a note， stating that ‘The so-called ”Paraiba tourmalines” ...became prized and coveted for their vivid coloration...The bright vivid blue and green “Paraiba colours” have not been seen in any other gemstone variety.’

The unusual blue-green Paraiba tourmaline was first discovered in the Brazilian state of Paraiba in 1989 by a dedicated miner named Heitor Barbosa. Caused by the presence of copper， paraiba tourmaline appears on a range of hues including greenish blue， bluish greenm green， blue and violet with tremendous lustre and remarkable vividness. To be offered in this sale is a 17.09 carat natural Paraiba Tourmaline and Diamond Ring， it is nicely proportioned and the bright vivid blue and green “Paraiba colours” have not been seen in any other gemstone variety.

Price estimate:
HKD: 1,900,000 - 2,500,000
USD: 244,000 - 321,000

Auction Result:
HKD: --