According to Investing, prices for 1-carat stones rose by 0.3 per cent following a 0.5 per cent increase in August. Three-carat diamonds rose by 1.5 per cent, with most of the growth occurring in the second half of September.
The Rapaport Trade Diamond Index (RAPI) reflects asking prices for round diamonds graded D–H in colour and IF–VS2 in clarity. Since the start of the year, the index for 0.3-carat stones has risen by 15.1 per cent, and for 0.5-carat stones by 5.8 per cent.
Against the backdrop of rising prices, on 11 September Rapaport increased the prices in its price list for certain categories of round brilliant-cut diamonds weighing between 0.3 and 0.69 carats.
Rapaport attributes the price rise to a reduction in supply. When there are fewer stones on the market, even growing demand has a stronger impact on prices. This is particularly noticeable in the round brilliant segment: production of these stones has fallen more sharply in recent months than that of fancy-cut stones.
At the same time, trading activity in the market remained uneven. Religious holidays slowed sales in the US, Belgium, Israel and India. At the Jewellery & Gem World exhibition in Hong Kong, demand for diamonds weighing 2 carats or more and finished jewellery remained steady. There were few Chinese buyers, however, and smaller, lower-quality stones were difficult to sell.
This story was translated with the assistance of artificial intelligence.The translation was also reviewed by the Logos Press editorial team.
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