Botswana mining industry players speak on speculative exploration licences

Speculative mineral exploration licences was a recurring theme from presentations made by three players in Botswana mining industry at a conference convened in Gaborone. The country has issued thousands of exploration licences, across the mining industry...


Design is the key to all markets

Besides being an astute businessman, Mumbai-born Laksh Pahuja is a designer par excellence known globally for his awe-inspiring unusual jewellery pieces. Trained at the Gemological Institute of India and Harrow College of Art England, Laksh combines...

10 june 2019

Mutual mass destruction will not serve anybody’s purposes

The recent moves by the U.S. Federal Trade Commission (FTC), including its letters urging some companies to abide to the revised edition of FTC Jewelry Guides and the explanations from FTC attorney Robert Frisby posted on the FTC website were...

03 june 2019

Pavel Sokolov: Every stone has its beauty

THE ‘GEMSTONES BY SOKOLOV’ brand has been popular for over 25 years. The aim of this company is to supply any kind of gem studs to the Russian market including the unique ones except diamonds of any cut. The product range by the SOKOLOV Company is very...

27 may 2019

“We are building a new state-of-the-art tender facility,” says Ahmed Bin Sulayem, Executive Chairman, DMCC

Ahmed Bin Sulayem certainly needs no introduction being widely popular globally as one of the leaders of modern Dubai. As the Executive Chairman of DMCC, Ahmed Bin Sulayem has played and continues to play a key role in establishing and positioning DMCC...

20 may 2019

Russian company sets a new world record producing a polished lab-grown diamond weighing 20.22 carats

14 january 2019
Russia’s New Diamond Technology based in St. Petersburg prepared another world record breaking surprise for the New Year in manufacturing especially large polished diamonds from lab-grown rough produced by the HPHT method. New Diamond Technology’s President Tamazi Khikhinashvili and its CEO Alexander Kolyadin told Rough&Polished that their company had used a diamond crystal type Ib weighing 55.94 carats to manufacture a cushion-cut polished diamond weighing 20.22 carats of Fancy Vivid Orange color and VS2 clarity. The diamond was named "Empress Elizabeth" after Russia’s most beautiful female monarch. 

Image credit: New Diamond Technology

The previous record set in 2016 also belonged to New Diamond Technology, which made a cushion-cut white diamond of G color and SI2 clarity weighing 15.32 carats.

Image credit: New Diamond Technology

Victoria Quiri, Correspondent of the European Bureau, Rough&Polished, Strasbourg