skip to main content
Moti Israeli Diamonds
the israel diamond industry logo


The IDEX polished price index shows that prices rose slightly during the month
Round polished diamonds money
Credit: allstars /

In its latest analysis of polished diamond prices published on IDEX Online, the IDEX polished diamond price index shows that prices were stable in August, “rising only very slightly during the month”. The Index began the month at 125.55 and ended at 125.95.


polished diamond prices August
Credit: IDEX Online


Since the last quarter of 2017, diamond prices have been on an upward trend. However, since January 2013, the polished prices graph shows a 5.6% decline to-date.


polished diamonds prices august
Credit: IDEX Online


When compared to July 2017, global polished diamond prices in August showed a decline of 0.3%. However, on a year-over-year basis, the average price in August showed a 4.9% increase.


diamonds prices trends august
Credit: IDEX Online


Diamond Prices by Size


When compared to July 2017, there were just two rising categories and four decliners.


polished diamond prices August
Credit: IDEX Online


On a year-over-year basis, five categories increased while 4-carat stones fell.


polished diamond prices size
Credit: IDEX Online


According to IDEX Online, 4-carat stones have shown the most price volatility over the long term. Meanwhile, 2-carat diamonds and below have shown stability and rising prices since the start of 2018.


round diamond prices August
Credit: IDEX Online


Getting Ready for Hong Kong


As for the upcoming months, many diamond traders have come from their summer vacations and are now preparing “for the big and hugely influential September edition of the Hong Kong Jewellery and Gem Fair”.


The event, says IDEX Online, has always been “an important barometer of the health of the global diamond, gemstone and jewelry industry”, so all eyes will be on the show “to judge sentiment in the market in the vital fourth quarter of 2018 with the market looking ahead to a positive holiday sales season”.


As for the winter months in the US, the strong US economy raises optimism concerning the Christmas sales period there.


Read the full analysis here

More Articles