Previous Article Next Article Table of Contents Nature, Vol.570, No.7760, E28-E29, 2019 DOI10.1038/s41586-019-1246-8 Export Citation Reply to: Evidence for two blue (type IIb) diamond populations Smith EM, Shirey SB, Richardson SH, Nestola F, Bullock ES, Wang JH, Wang WY Please enable JavaScript to view the comments powered by Disqus.