A diamond is for ever – but its allure comes and goes
Index, by fiscal quarter (where October, 2007 = 100)
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
0
20
40
60
80
100
120
140
160
180
200
Index value
Index value