Carat

Gold pieces slump 20.6% in bleak October hallmarking results

The number of gold items hallmarked fell 20.6% to 489,924 articles – from 617,421 in the same month last year…

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‘Extremely rare’ Kashmir sapphire to headline Bonhams’ auction

A collection of diamonds and gemstones – including a 14-carat Kashmir sapphire – will headline the final Bonhams London Fine…

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Diamond prices decline in October

Diamond markets were quiet in October with wholesale businesses closing for the respective Chinese, Jewish and Indian holidays. The latest…

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Graff Diamonds unveils world’s largest heart-shaped diamond

Graff Diamonds has unveiled the largest D colour, flawless, heart-shaped diamond in the world, weighing 118.78 carats. Named the Graff…

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Hallmarking falls 11.5% in September

The total number of hallmarked items fell 11.5% in September, a decrease of 115,994 pieces when compared with the same…

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‘Extremely rare’ blue diamond Cartier ring could fetch £20.3m

Sotheby’s has announced it will auction an “extremely rare” fancy-vivid blue diamond ring by Cartier, which could fetch up to…

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COMPANY Q&A: Polished diamonds with Monnickendam

With more than 100 years in the industry, Monnickendam is one of the oldest and largest sellers of polished diamonds…

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Diamond prices stable in September

The diamond market was steady in September with better-than-expected sentiment at the Hong Kong Jewellery & Gem Fair. The latest…

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Bonhams sells £2.3m rare blue diamond

Auction house Bonhams has sold a rare oval-cut fancy intense blue diamond for £2.3m. The diamond, which came from a…

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9ct gold soars 32% in positive August hallmarking figures

The number of 9-carat gold items hallmarked in August soared 32% in a positive month for overall hallmarking figures. That’s…

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