Platinum’s rare nature gives it additional value and appeal

Huw Daniel is the CEO of Platinum Guild International, overseeing market development activities in China, Japan, India and the USA, on behalf of the platinum producers of South Africa. Before taking up this role in 2015, Huw ran PGI USA for 12 years...

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Marco Carniello: We want to continue to be the engine boosting the jewellery industry

Italian Exhibition Group (IEG) is a leader in Italy in the organisation of trade fairs and one of the main operators in the trade fair and conference sector at European level, with structures in Rimini and Vicenza, as well as further sites in...

06 september 2021

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30 august 2021

The future for synthetics lies in that it has become possible to grow a stone you want and make what you want out of it

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23 august 2021

De Beers’ GemFair ropes in more than 160 Sierra Leone artisanal miners

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16 august 2021

SSEF performed first-ever radiocarbon age-dating procedure

16 may 2019

The Swiss Gemmological Institute SSEF has successfully age-dated the historic ‘Ana Maria Pearl’ using carbon-14 (14C).
The Ana Maria pearl was offered at Christie’s Geneva during the  Magnificent Jewels auction on May 15.

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Image credit: SSEF

The data from this first-ever radiocarbon analysis revealed that the historic formation age for this natural pearl was between the 16th and mid-17th century AD. This fits perfectly with the documented historic provenance of the ‘Ana Maria Pearl’, once owned by Ana María de Sevilla y Villanueva, XIV Marquise of Camarasa (1828-1861), which is presumed to have been discovered during the Spanish conquest of the Americas in the 16th century.
The pearl is a slightly baroque drop shaped natural saltwater pearl of 30.24 carats, set as a detachable drop of a beautiful brooch, which contains an invisible watch by Audemars Piguet, a design from the 1960s.
Dr. Michael S. Krzemnicki, director of SSEF, said: "We are honoured to be able to provide additional scientific evidence to the historic provenance of this important natural pearl. We are in the process of further developing radiocarbon analysis and other scientific techniques to verify the historic provenance of antique jewellery and iconic natural pearls".

Alex Shishlo, Editor of the Rough&Polished European Bureau in Brussels