Alrosa has announced the uncovering of a 121.88-carat diamond at its Jubilee kimberlite pipe, Rough & Polished reports. Measured at 28 ? 18 ? 19.5 mm, the diamond crystal has a yellowish tint.
This is the second large diamond to be recovered from Jubilee this month. Earlier in February, Alrosa reported the uncovering of a diamond weighing 121.96 carats from the pipe. The diamond, which was extracted by the company’s business unit Aikhal Mining and Processing Division, has an octahedral shape. The dimensions of the stone are 31.28 by 30.00 by 28.57 mm.
Jubilee pipe is famous for its large finds, and Alrosa has noted that a number of diamonds weighing between 50 and 138 carats have been recovered from the deposit in the most recent year. According to Rough & Polished, Jubilee reserves are estimated at 97 million carats of rough diamonds and mining at the pipe can be continued until 2030. The volume of diamond production for the first nine months of 2016 was 8.3 million carats.
