The latest IDEX Online Polished Price Report shows hardly any activity in November, according to IDEX Online. The Index began the month at 119.70 and ended at 119.95.

Multi-Month Decline
When looking back, polished diamond prices have declined since the middle of 2016, and the index “is at one of its lowest point for more than three years”. Since January 2014, there’s a 9.3% decline in polished diamond prices
On a month-to-month basis, global polished diamond prices in November saw a decrease of 0.1%.
On a year-over-year basis, the average price in November showed a 2.3% decrease.

Diamond Prices by Size
On a month-to-month basis, when comparing diamond prices relative to October 2017, there were four declining categories and two risers. On a year-over-year basis, there were five decliners and just one riser – the 4.0-carat category. All the other diamond categories declined.

From 2015, “the general trend is that 4-carat stones have shown the most price volatility, although 3-carat diamonds have displayed the steepest year-over-year decline […]”, says IDEX Online.

From December 2015 onwards, “there has been relative price stability in 1-carat, 1.5-carat and 2-carat stones”.

Stronger Demand Expected
Although November was reportedly quiet “with only a slight pick-up following the Diwali festival in the second part of October, and the Jewish festival of Succot in the first half of the month”. IDEX Online is optimistic ahead of the holiday season in December.
According to their analysis, “diamond traders will be expecting to see stronger demand in the weeks to come as the Christmas holiday season, and the Chinese New Year to follow”.