Alrosa recovers two 100-ct-plus diamonds from Jubilee pipe

The Jubilee (Yubileynaya) pipe at Aikhal mining and processing division of Russian miner Alrosa has yielded two gem-stone quality diamonds of more than 100 ct each last year. The smallest of the two stones is a 108.34 ct rough diamond, measuring 23 mm by 20.56 mm by 17.86 mm. The other stone is a 163.11c t diamond measuring 26.67 mm by 25.59 mm by 22.4 mm.